Page 1 A CAUTION indicates a potential for property damage, personal injury, or death. Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see the Tell Me How help file (see "Accessing Help"). file:///F|/Service%20Manuals/Dell/Inspiron/4150/index.htm (1 of 2) [2/28/2004 7:27:53 AM]...
Page 2: A Tour Of Your Computer
A Tour of Your Computer: Dell Inspiron 4150 Back to Contents Page A Tour of Your Computer Dell™ Inspiron™ 4150 Front View Left Side View Right Side View Back View Bottom View Front View file:///F|/Service%20Manuals/Dell/Inspiron/4150/tour.htm (1 of 14) [2/28/2004 7:28:05 AM]...
Page 3 A Tour of Your Computer: Dell Inspiron 4150 Display Latch — Keeps the display closed. Keyboard Status Lights — The green lights located above the keyboard indicate the following: Turns on when the numeric keypad is enabled Turns on when the caps lock function is enabled Turns on when the scroll lock function is enabled file:///F|/Service%20Manuals/Dell/Inspiron/4150/tour.htm (2 of 14) [2/28/2004 7:28:05 AM]...
Page 4 A Tour of Your Computer: Dell Inspiron 4150 Air Vent — The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating. HINT: The computer turns on the fans when the computer gets hot. The fans may make noise, which is normal and does not indicate a problem with the fans or the computer.
Page 5 Tell Me How help file (see "Accessing Help"). Module Bay — You can install devices such as an optical drive or the Dell TravelLite™ module in the module bay. Display Latch Button — Press this button to release the display latch and open the display.
Page 6: Left Side View
A Tour of Your Computer: Dell Inspiron 4150 to an electrical outlet. For more information, see the Tell Me How help file (see "Accessing Help"). Touch Pad/Track Stick Buttons — Correspond to the left and right buttons on a standard mouse.
Page 7 A Tour of Your Computer: Dell Inspiron 4150 PC Card Slot — Has two connectors that support various types of PC Cards, including modems and network adapters. For more information, see the Tell Me How help file (see "Accessing Help").
Page 8: Right Side View
A Tour of Your Computer: Dell Inspiron 4150 Speakers — Press the volume control keyboard shortcuts to adjust the volume of the integrated speakers. For more information, see the Tell Me How help file (see "Accessing Help"). Right Side View...
Page 9: Audio Connectors
A Tour of Your Computer: Dell Inspiron 4150 Speakers — Press the volume control keyboard shortcuts to adjust the volume of the integrated speakers. For more information, see the Tell Me How help file (see "Accessing Help"). Infrared Sensor —...
Page 10: Modem Connector
A Tour of Your Computer: Dell Inspiron 4150 Attach headphones or speakers to the connector. Modem Connector Connect the telephone line to the optional modem connector. For information on using the modem, see the online modem documentation supplied with your computer. To access device user's guides, see "Need Additional Help?"...
Page 11: Back View
A Tour of Your Computer: Dell Inspiron 4150 NOTICE: The network connector is slightly larger than the modem connector. Do not plug a telephone line into the network connector. S-Video TV-Out Connector Connects your computer to a TV. Air Vent —...
Page 12: Serial Connector
A Tour of Your Computer: Dell Inspiron 4150 Fan — The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating. Serial Connector Connects serial devices, such as a mouse or handheld device.
Page 13: Video Connector
A Tour of Your Computer: Dell Inspiron 4150 PS/2 Connector HINT: You can use the integrated keyboard and an external keyboard at the same time. When you attach a PS/2 keyboard or PS/2 numeric keypad, the integrated keypad is disabled.
Page 14: Bottom View
A Tour of Your Computer: Dell Inspiron 4150 The AC adapter converts AC power to the DC power required by the computer. You can connect the AC adapter with your computer turned either on or off. CAUTION: The AC adapter works with electrical outlets worldwide. However, power connectors and power strips vary among countries.
Page 15 A Tour of Your Computer: Dell Inspiron 4150 Fan — The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating. Device Latch Releases — Press a latch release to remove a device in the module or battery bay.
Page 16: Solving Problems
To access the Tell Me How help file — 1. Click the Start button and then click Help and Support. 2. Click User and system guides and then click User's guides. 3. Click Tell Me How. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (1 of 23) [2/28/2004 7:28:07 AM]...
Page 17: Power Problems
Charge the battery — The battery charge may be depleted. 1. Reinstall the battery. 2. Use the AC adapter to connect the computer to an electrical outlet. 3. Turn on the computer. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (2 of 23) [2/28/2004 7:28:07 AM]...
Page 18: Error Messages
If the battery status light rapidly flashes orange, the battery may be defective. Contact Dell. See your Owner's Manual for contact information. Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Page 19 4. Click Remove or Change/Remove and follow the prompts on the screen. 5. See the program documentation for installation instructions. x:\ is not accessible. The device is not ready — Insert a disk into the drive and try again. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (4 of 23) [2/28/2004 7:28:07 AM]...
Page 20: Video And Display Problems
Video and Display Problems If the display is blank HINT: If you are using a program that requires a higher resolution than your computer supports, Dell recommends that you attach an external monitor to your computer. Check the light —...
Page 21: If The Display Is Difficult To Read
3. Click the area you want to change or click the Display icon. 4. Try different settings for Color quality and Screen resolution. See "Error Messages" — If an error message appears, see "Error Messages." file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (6 of 23) [2/28/2004 7:28:07 AM]...
Page 22: If Only Part Of The Display Is Readable
2. Turn on the computer and the monitor and adjust the monitor brightness and contrast controls. If the external monitor works, the computer display or video controller may be defective. Contact Dell. See your Owner's Manual for contact information. Sound and Speaker Problems If you have a problem with integrated speakers Adjust the Windows®...
Page 23: Printer Problems
See the speaker documentation for self-test instructions. Eliminate possible interference — Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference. Reinstall the sound (audio) driver — "Reinstalling Drivers and Utilities." Printer Problems file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (8 of 23) [2/28/2004 7:28:07 AM]...
Page 24: Modem And Internet Connection Problems
If you can connect to your Internet service provider (ISP), your modem is functioning properly. If you are sure that your modem is working properly and you still experience problems, contact your ISP. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (9 of 23) [2/28/2004 7:28:07 AM]...
Page 25 4. Click Apply and click OK. 5. Close the Phone and Modems Options window. 6. Close the Control Panel window. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (10 of 23) [2/28/2004 7:28:07 AM]...
Page 26: Scanner Problems
Unlock the scanner — Ensure that your scanner is unlocked if it has a locking tab or button. Reinstall the scanner driver — See the scanner documentation for instructions. Touch Pad or Mouse Problems file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (11 of 23) [2/28/2004 7:28:07 AM]...
Page 27: External Keyboard Problems
If the touch pad operates correctly, the mouse may be defective. Reinstall the touch pad driver — "Reinstalling Drivers and Utilities." External Keyboard Problems HINT: When you attach an external keyboard, the integrated keyboard remains fully functional. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (12 of 23) [2/28/2004 7:28:07 AM]...
Page 28: Unexpected Characters
5. Type some characters on the external keyboard and verify that they appear on the display. If the characters appear now but did not with the external keyboard, you may have a defective external keyboard. Contact Dell. See your Owner's Manual for contact information. Unexpected Characters...
Page 29: Drive Problems
Windows from recognizing the drive. Insert a bootable disk and restart the computer. Verify that the light is blinking, indicating normal operation. Ensure that the disk is not write-protected — You cannot save data to a write-protected disk. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (14 of 23) [2/28/2004 7:28:07 AM]...
Page 30 Because of different worldwide file types, not all DVD titles work in all DVD drives. High-speed CD drive vibration is normal and may cause noise. This noise does not indicate a defect with the drive or the CD. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (15 of 23) [2/28/2004 7:28:07 AM]...
Page 31 2. Straighten a paper clip and insert one end into the eject hole at the front of the drive; push firmly until the tray is partially ejected. 3. Gently pull out the tray until it stops. If you hear an unfamiliar scraping or grinding file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (16 of 23) [2/28/2004 7:28:07 AM]...
Page 32: If You Have Problems With A Hard Drive
1. Click the Start button and click My Computer. 2. Right-click the drive letter (local disk) that you want to scan for errors, and then click Properties. 3. Click the Tools tab. 4. Under Error-checking, click Check Now. 5. Click Start. file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (17 of 23) [2/28/2004 7:28:07 AM]...
Page 33: Pc Card Problems
If you have problems with a Dell-provided PC Card — Contact Dell. See your Owner's Manual for contact information. If you have problems with a PC Card not provided by Dell — Contact the PC Card manufacturer. Network Problems Check the network cable connector —...
Page 34: General Program Problems
If the computer does not respond to a keystroke or a proper shutdown, press the power button until the computer turns off. Press the power button again to restart the computer. Error messages appear file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (19 of 23) [2/28/2004 7:28:07 AM]...
Page 35: If Your Computer Gets Wet
CAUTION: Perform this procedure only after you are certain that it is safe to do so. If the computer is connected to an electrical outlet, Dell recommends that you turn off AC power at the circuit breaker before attempting to remove the power cables from the electrical outlet. Use the utmost caution when removing wet cables from a live power source.
Page 36: If You Drop Or Damage Your Computer
If the computer does not start, or if you cannot identify the damaged components, contact Dell. See your Owner's Manual for contact instructions. If You Drop or Damage Your Computer 1. Save and close any open files, exit any open programs, and shut down the computer.
Page 37: Resolving Other Technical Problems
Go to support.dell.com and then click E-Mail Dell in the Communicate list. Send an e-mail message to Dell about your problem; you can expect to receive an e-mail message from Dell within hours. See "Dell Technical Support Policy (U.S. Only)" in your Owner's Manual for a description of the hardware and software support provided by Dell.
Page 38 Solving Problems: Dell Inspiron 4150 Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/solving.htm (23 of 23) [2/28/2004 7:28:07 AM]...
Page 39: Reinstalling Drivers And Utilities
Resolving Software and Hardware Incompatibilities Using Microsoft® Windows® XP System Restore Overview Dell ships your computer to you with required drivers and utilities already installed—no further installation or configuration is needed. NOTICE: The Drivers and Utilities CD may contain drivers for operating systems that are not on your computer.
Page 40: Manually Reinstalling Drivers For Windows Xp
Reinstalling Drivers and Utilities: Dell Inspiron 4150 the CD, it might prompt you to install setup files. Click OK, and follow the instructions on the screen to continue. 3. From the Language drop-down menu in the toolbar, select your preferred language for the driver or utility (if available).
Page 41 Reinstalling Drivers and Utilities: Dell Inspiron 4150 section, click the Start button, point to Settings, and then click Control Panel. 2. Click the Start button and right-click My Computer. 3. Click Properties. 4. Click the Hardware tab and click Device Manager.
Page 42 Reinstalling Drivers and Utilities: Dell Inspiron 4150 5. Click the Drivers tab. 6. Click Roll Back Driver. Resolving Software and Hardware Incompatibilities In the Microsoft® Windows® XP operating system, IRQ conflicts occur if a device either is not detected during the operating system setup or is detected but incorrectly configured.
Page 43 Reinstalling Drivers and Utilities: Dell Inspiron 4150 You can also use the Windows XP Hardware Troubleshooter. To use the troubleshooter, click the Start button and click Help and Support. Type hardware troubleshooter in the Search field, and then click the arrow to start the search.
Page 44: Creating A Restore Point
Reinstalling Drivers and Utilities: Dell Inspiron 4150 XP with less than 200 MB of free hard-disk space available, System Restore is automatically disabled. Before you use System Restore, confirm that it is enabled. 1. Click the Start button and click Control Panel.
Page 45 Reinstalling Drivers and Utilities: Dell Inspiron 4150 6. Click OK. Restoring the Computer to an Earlier Operating State If problems occur after installing a device driver, first try using Device Driver Rollback. If Device Driver Rollback does not resolve the problem, then use System Restore.
Page 46: Undoing The Last System Restore
Reinstalling Drivers and Utilities: Dell Inspiron 4150 To change the restore point, you can either repeat the steps using a different restore point, or you can undo the restoration. Undoing the Last System Restore NOTICE: Save and close all open files and exit all open programs. Do not alter, open, or delete any files or programs until the system restoration is complete.
Page 47: Xp Operating System
The Operating System CD provides options for reinstalling the Windows XP operating system. The options can potentially overwrite files installed by Dell and possibly affect programs installed on your hard drive. Therefore, do not reinstall your operating system unless instructed to do so by a Dell technical support representative.
Page 48 Reinstalling the Microsoft® Windows® XP Operating System: Dell Inspiron 4150 copy option and then press on the next screen to select the highlighted partition (recommended). Then follow the instructions on the screen. 7. The Windows XP Setup screen appears and Windows XP begins to copy files and install the device drivers.
Page 49 Reinstalling the Microsoft® Windows® XP Operating System: Dell Inspiron 4150 Reinstall the appropriate drivers. 18. Reinstall your virus protection software. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/windows.htm (3 of 3) [2/28/2004 7:28:09 AM]...
Page 50: Using The System Setup Program
The system setup program contains the standard settings for your computer. NOTICE: Unless you are an expert computer user or are directed to do so by Dell technical support, do not change the settings for this program. Certain changes might make your computer work incorrectly. Viewing the System Setup Screens 1.
Page 51: Commonly Used Options
Using the System Setup Program: Dell Inspiron 4150 HINT: To see information about a specific item on a system setup screen, highlight the item and refer to the Help area on the screen. The system setup screens display the current setup information and settings for your computer.
Page 52: Diskette Drive
Performing a One-Time Boot You can set a one-time-only boot sequence without going into the system setup program. (You can also use this procedure to boot to the Dell Diagnostics on the Diagnostics utility partition on your hard drive.) file:///F|/Service%20Manuals/Dell/Inspiron/4150/setup.htm (3 of 5) [2/28/2004 7:28:09 AM]...
Page 53: Changing Printer Modes
3. Connect the computer to an electrical outlet. 4. Turn on the computer. When the Dell logo appears, press immediately. If you wait too long and the Windows® logo appears, continue to wait until you see the Windows desktop.
Page 54 Using the System Setup Program: Dell Inspiron 4150 Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/setup.htm (5 of 5) [2/28/2004 7:28:09 AM]...
Page 55: Power Management
Standby mode conserves power by turning off the display and the hard drive after a predetermined period of inactivity (a time-out). When the computer exits standby mode, it returns to the same operating state it was in before entering standby mode. file:///F|/Service%20Manuals/Dell/Inspiron/4150/power.htm (1 of 5) [2/28/2004 7:28:10 AM]...
Page 56: Hibernate Mode
Your computer enters hibernate mode if the battery charge level becomes critically low. Depending on how you set the power management options on the Advanced tab the Power Options Properties window, use one of the following methods to enter file:///F|/Service%20Manuals/Dell/Inspiron/4150/power.htm (2 of 5) [2/28/2004 7:28:10 AM]...
Page 57: Power Options Properties
3. Under or pick a Control Panel icon, click Power Options. Power Schemes Tab The Power schemes drop-down menu displays the selected preset power scheme. Depending on your operating system, typical power schemes are: Portable/Laptop Home/Office file:///F|/Service%20Manuals/Dell/Inspiron/4150/power.htm (3 of 5) [2/28/2004 7:28:10 AM]...
Page 58: Alarms Tab
When you receive your computer, the Low battery alarm and Critical battery alarm check boxes are selected. Dell recommends that you continue to use these settings. Power Meter Tab The Power Meter tab displays the current power source and amount of battery charge remaining.
Page 59: Hibernate Tab
To program these functions, click an option from the corresponding drop-down menu and then click OK. Hibernate Tab The Hibernate tab lets you enable hibernate mode by clicking the Enable hibernate support check box. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/power.htm (5 of 5) [2/28/2004 7:28:10 AM]...
Page 60: Using The Dell Diagnostics
"Solving Problems" and run the Dell Diagnostics before you call Dell for technical assistance. Running the Dell Diagnostics may help you to resolve the problem yourself quickly without having to contact Dell for assistance. If you are experienced with computers and know what component(s) you need to test, simply select the appropriate diagnostic test group(s) or subtest(s).
Page 61: Starting The Dell Diagnostics
Error messages that appear if any problems are detected Starting the Dell Diagnostics The Dell Diagnostics are located on a hidden Diagnostic utility partition on your hard drive. HINT: If your computer cannot display a screen image, contact Dell. See your Owner's Manual for contact information.
Page 62 Booting Dell Diagnostic Utility Partition. Press any key to continue. 5. Press any key to start the Dell Diagnostics from the Diagnostics utility partition on your hard drive. 6. After the Dell Diagnostics loads, the Diagnostics Menu appears. To select an...
Page 63: Diagnostics Menu
Test One Device option. Quick Tests runs only the subtests that do not require user interaction and that do not take a long time to run. Dell recommends that you choose Quick Tests first to increase the odds of tracing the source of the problem quickly.
Page 64 Using the Dell Diagnostics: Dell Inspiron 4150 To check a particular area of your computer, select Extended Tests from the Test One Device option, or select the Advanced Testing option to customize your test(s). Advanced Testing When you select Advanced Testing from the Diagnostics Menu, the following screen appears, listing the diagnostic test groups and devices of the selected device group, and the screen allows you to select categories from a menu.
Page 65 Using the Dell Diagnostics: Dell Inspiron 4150 1. Press 2. Highlight the Help category and press , or press the key that corresponds to the highlighted letter in the category you choose. Advanced Testing Help Categories Help Category Description Menu...
Page 66: Confirming The System Configuration Information
Versions Lists the version numbers of the subtests that are used by the Dell Diagnostics. Confirming the System Configuration Information When you boot your computer from your Drivers and Utilities CD, the diagnostics checks your system configuration information and displays it in the Device Groups area on the main screen.
Page 67 Using the Dell Diagnostics: Dell Inspiron 4150 the printer is listed as a parallel port. The computer recognizes the parallel port as LPT1, which is an address that tells the computer where to send outgoing information and where to look for incoming information. Because your printer is a parallel communications device, the computer recognizes the printer by its LPT1 address and identifies it as a parallel port.
Page 68: Specifications
L2 cache 512 KB (on die) External bus frequency 400 MHz System Information System chip set Intel 845MP Data bus width 64 bits DRAM bus width 64 bits Microprocessor address bus 32 bits width file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (1 of 9) [2/28/2004 7:28:12 AM]...
Page 69: Ports And Connectors
Memory type 266-MHz DDR SDRAM Standard memory 128 MB Maximum memory 1 GB Ports and Connectors Serial 9-pin connector; 16550C- compatible, 16-byte buffer connector Parallel 25-hole connector; unidirectional, bidirectional, or ECP Video 15-hole connector file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (2 of 9) [2/28/2004 7:28:12 AM]...
Page 70 RJ-11 port Network adapter RJ-45 port Communications Modem: Type v.92 56K MDC Controller softmodem Interface internal AC 97 bus Network adapter 10/100 Ethernet LOM Video Video type 64-bit hardware accelerated Data bus 4X AGP file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (3 of 9) [2/28/2004 7:28:12 AM]...
Page 71 1.0-W channel into 4 ohms Volume controls keyboard shortcuts, program menus Display Type (active-matrix TFT) XGA; SXGA+; UXGA Dimensions: Height 214.3 mm (8.4 inches) Width 285.7 mm (11.3 inches) Diagonal 357.1 mm (14.1 inches) file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (4 of 9) [2/28/2004 7:28:12 AM]...
Page 72 87 (U.S. and Canada); 88 (Europe); 91 (Japan) Key travel 2.7 mm ± 0.3 (0.11 inch ± 0.016 inch) Key spacing 19.05 mm ± 0.3 mm (0.75 inch ± 0.012 inch) Layout QWERTY/AZERTY/Kanji file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (5 of 9) [2/28/2004 7:28:12 AM]...
Page 73 88.5 mm (3.48 inches) Height 21.5 mm (0.83 inch) Width 139.0 mm (5.47 inches) Weight 0.43 kg (0.95 lb) Voltage 14.8 VDC Charge time (approximate): Computer on 2.5 hours Computer off 1 hour file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (6 of 9) [2/28/2004 7:28:12 AM]...
Page 74 20 VDC Dimensions: Height 27.94 mm (1.1 inches) Width 58.42 mm (2.3 inches) Depth 130.80 mm (5.15 inches) Weight (with cables) 0.4 kg (0.9 lb) Temperature range: Operating 0° to 35°C (32° to 95°F) file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (7 of 9) [2/28/2004 7:28:12 AM]...
Page 75 –40° to 65°C (–40° to 149°F) Relative humidity (maximum): Operating 10% to 90% (noncondensing) Storage 5% to 95% (noncondensing) Maximum vibration (using a random-vibration spectrum that simulates user environment): Operating 0.9 GRMS Storage 1.3 GRMS file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (8 of 9) [2/28/2004 7:28:12 AM]...
Page 76 2-ms half-sine pulse): Operating 122 G Storage 163 G Altitude (maximum): Operating –15.2 to 3048 m (–50 to 10,000 ft) Storage –15.2 to 10,668 m (–50 to 35,000 ft) Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/specs.htm (9 of 9) [2/28/2004 7:28:12 AM]...
Page 77 Pin Assignments for I/O Connectors: Dell Inspiron 4150 Back to Contents Page Pin Assignments for I/O Connectors Dell™ Inspiron™ 4150 Port Locations PS/2 Connector Serial Connector USB Connector Parallel Connector Video Connector Docking Connector S-Video TV-Out Connector Port Locations 1 air intake...
Page 78 Pin Assignments for I/O Connectors: Dell Inspiron 4150 Use the 9-pin serial connector to attach a serial device to the computer. The serial connector passes data in serial format (1 bit at a time over one line). This connector supports a variety of devices, including a serial mouse, that require serial data transmission.
Page 79 Pin Assignments for I/O Connectors: Dell Inspiron 4150 parallel connector is used primarily for printers. The parallel connector transmits data in parallel format, where 8 data bits (one byte) are sent simultaneously over eight separate lines. The parallel connector can also be configured for compatibility with the PS/2 standard.
Page 80 Pin Assignments for I/O Connectors: Dell Inspiron 4150 Paper end SLCT Select AFD# Automatic feed ERR# Error INIT# Initialize printer SLIN# O Select in 18-25 N/A N/A Ground signal Shell N/A Frame ground Docking Connector Use this connector to attach your computer to the optional docking device.
Page 81 Pin Assignments for I/O Connectors: Dell Inspiron 4150 USB_VD1- 106 DOCK_SD/MODE 156 SAD2 107 D_IRTX 157 SAD3 USB_VD2+ 108 D_IRRX 158 SAD4 USB_VD2- 109 GND 159 SAD5 DOCKOC1# 110 SPIRQB# 160 SAD6 DOC_SPKR RUN_ON# 111 SPIRQC# 161 GND DOCK_MIC 112 DAT_DDC2...
Page 82 Pin Assignments for I/O Connectors: Dell Inspiron 4150 +5VDOCK DAT_DOCSM1 133 SH1SEL# 183 SAD22 +5VDOCK CLK_DOCKSM1 134 GND 184 SAD23 DAT_DOCKBD 135 SWRPRT# 185 SAD24 DOCK_PWR_SRC 86 CLK_DOCKBD 136 SDSKCHG#/DRQ 186 SC/BE3# DOCK_PWR_SRC 87 137 SDIR# 187 SAD25 DOCK_PWR_SRC 88...
Page 83: Usb Connector
Pin Assignments for I/O Connectors: Dell Inspiron 4150 Signal I/O Definition EXK_MSDATA I/O External keyboard/keypad/mouse data KBD_DATA Keyboard data N/A Signal ground EXK_MSPWR N/A External keyboard/keypad/mouse supply voltage EXK_MSCLK External keyboard/keypad/mouse clock KBD_CLK Keyboard clock Shell N/A N/A Chassis ground...
Page 84 Pin Assignments for I/O Connectors: Dell Inspiron 4150 Pin Signal Definition Cable power – Data +Data Ground Cable ground Video Connector Use the 15-pin video connector to attach an external monitor to the computer. If the image does not appear on the monitor immediately, press...
Page 85 Pin Assignments for I/O Connectors: Dell Inspiron 4150 Red video GREEN Green video BLUE Blue video DDC2_MONID2 I Monitor detect ID2 N/A Signal ground N/A Signal ground N/A Signal ground N/A Signal ground CRTVCC 5-V power source for CRT N/A Signal ground...
Page 86 Pin Assignments for I/O Connectors: Dell Inspiron 4150 S-Video Signal DLUMA-L DCRMA-L Composite Video Signal DCMPS-L Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/pinouts.htm (10 of 10) [2/28/2004 7:28:14 AM]...
Page 87: Removing And Replacing Parts
Removing and Replacing Parts: Dell Inspiron 4150 Back to Contents Page Removing and Replacing Parts Dell™ Inspiron™ 4150 Before You Remove or Microprocessor Thermal Cooling Replace Parts Assembly System Components Microprocessor Palm Rest and Display Hybrid Cooling Fan Cover Inserts...
Page 88: Printed Documentation
Getting Started sheet (.pdf) (2.75 MB) Dell Inspiron 4150 Owner's Manual (.pdf) (2.34 MB) Dell Inspiron 4150 Removing and Installing Parts (.pdf) (657 KB) HINT: PDF files require Adobe™ Acrobat Reader, which can be downloaded from the Adobe website at: www.adobe.com. To view a PDF file, launch Acrobat Reader.
Page 89 Compiled HTML Help files (files with an extension of .chm) require Microsoft Internet Explorer 4.0 or later. Downloading the Inspiron 4150 Tell Me How Help File 1. Click the appropriate button to download the zipped file and save it to your hard drive.
Page 90 Documentation: Dell Inspiron 4150 2. Double-click the filename. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/document.htm (3 of 3) [2/28/2004 7:28:15 AM]...
Page 91: System Board
8. From the bottom of the computer, remove the six M2.5 x 5-mm screws labeled "circle B" that secure the system board to the bottom case. 9. Remove the three M2.5 x 5-mm screws labeled "circle B" that secure the fan file:///F|/Service%20Manuals/Dell/Inspiron/4150/sysboard.htm (1 of 4) [2/28/2004 7:29:13 AM]...
Page 92: Fan Guard
2 M2.5 x 5-mm screws (9) 10. Turn the computer over and remove the M2.5 x 5-mm screw, which is labeled "circle B" with an arrow, by the battery connector on the front center of the system board. file:///F|/Service%20Manuals/Dell/Inspiron/4150/sysboard.htm (2 of 4) [2/28/2004 7:29:13 AM]...
Page 93: Replacing The System Board
Replacing the System Board 1. Install the microprocessor on the replacement system board. 2. Install the replacement system board: a. Insert the external microphone and headphone connectors through the file:///F|/Service%20Manuals/Dell/Inspiron/4150/sysboard.htm (3 of 4) [2/28/2004 7:29:13 AM]...
Page 94 Follow the instructions on the screen. HINT: After installing the system board, enter the computer service tag sequence into the BIOS of the replacement system board. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/sysboard.htm (4 of 4) [2/28/2004 7:29:13 AM]...
Page 95: Preparing To Work Inside The Computer
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow applicable safety instructions in the Owner's Manual that came with the computer.
Page 96: Recommended Tools
Before You Remove or Replace Parts: Dell Inspiron 4150 7. Disconnect all other external cables from the computer. 8. Remove any installed PC Cards or plastic blanks from the PC Card slot. 9. Close the display and turn the computer upside down on a flat work surface.
Page 97: Screw Identification
Before You Remove or Replace Parts: Dell Inspiron 4150 back right front left Screw Identification When you are removing and replacing components, photocopy the place mat as a tool to lay out and keep track of the screws. The place mat provides the number of screws and their sizes.
Page 98 Before You Remove or Replace Parts: Dell Inspiron 4150 NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length. Make sure that the screw is properly aligned with its corresponding hole, and avoid over tightening.
Page 99: Hybrid Cooling Fan
Before You Remove or Replace Parts: Dell Inspiron 4150 Display Assembly to Top Display-Feed Flex Cable: Cover: (4 each) (5 each) Palm Rest to Hybrid Cooling Fan: Bottom Case: (2 each) (1 each) (5 each) (3 each) System Board to Bottom...
Page 100: Display Latch
Before You Remove or Replace Parts: Dell Inspiron 4150 Display Latch: Memory Module Cover: (2 each) (2 each) (2 captive screws) (1 each) The single screw is one of the five keyboard screws. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/begin.htm (6 of 6) [2/28/2004 7:29:39 AM]...
Page 101: System Components
Dell™ Inspiron™ 4150 NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: Unless otherwise noted, each procedure in this manual assumes that a part can be installed by performing the removal procedure in reverse order.
Page 102: Table Of Contents
12 main battery 5 microprocessor module 13 hard drive 6 system board 14 left speaker/antenna assembly 7 right speaker/antenna 15 palm rest assembly assembly 8 fan guard 16 keyboard Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/system.htm (2 of 2) [2/28/2004 7:29:39 AM]...
Page 103: Palm Rests
Palm Rest and Display Cover Inserts: Dell Inspiron 4150 Back to Contents Page Palm Rest and Display Cover Inserts Dell™ Inspiron™ 4150 Palm Rests Display Cover Palm Rests HINT: Complete instructions for installing the palm rests are included with the optional color inserts.
Page 104 Palm Rest and Display Cover Inserts: Dell Inspiron 4150 7. Remove the palm rests. 8. To replace the palm rests, insert the tabs on the inside edge of the palm rest into the slots on the computer. Then press along the outside edges of the palm rest until it snaps into place.
Page 105: Display Cover
Palm Rest and Display Cover Inserts: Dell Inspiron 4150 Display Cover HINT: Complete instructions for installing the display cover are included with the optional color inserts. 1. Slide your index fingers under the straight edge of the display cover until the cover pops out.
Page 106 5. Press the cover along the straight edge at the back of the computer until it snaps into place. 6. Firmly press the Dell™ logo until it snaps into place. Press above both hinge covers to engage the final snaps.
Page 107: Hard Drive
1. Save and close any open files, exit any open programs, and shut down the computer. 2. Ground yourself by touching a metal connector on the back of the computer. 3. Turn the computer over. Remove the M3 x 5-mm screw from the hard drive door. file:///F|/Service%20Manuals/Dell/Inspiron/4150/hdd.htm (1 of 3) [2/28/2004 7:29:40 AM]...
Page 108: Replacing The Hard Drive
1. Lift the hard drive door until you hear a click. Push the hard drive into the drive bay until it is fully seated in the bay. 2. Press the hard drive door down. file:///F|/Service%20Manuals/Dell/Inspiron/4150/hdd.htm (2 of 3) [2/28/2004 7:29:40 AM]...
Page 109 Hard Drive: Dell Inspiron 4150 3. Replace the M3 x 5-mm screw in the hard drive door. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/hdd.htm (3 of 3) [2/28/2004 7:29:40 AM]...
Page 110: Memory Modules
Memory Modules, Mini PCI Card, and Modem: Dell Inspiron 4150 Back to Contents Page Memory Modules, Mini PCI Card, and Modem Dell™ Inspiron™ 4150 Memory Modules Mini PCI Card Modem Memory Modules Removing the Memory Module Cover NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.
Page 111: Removing The Memory Modules
Memory Modules, Mini PCI Card, and Modem: Dell Inspiron 4150 1 M2.5 x 12-mm screw 2 captive screws (2) Removing the Memory Modules NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
Page 112: Memory Module
Memory Modules, Mini PCI Card, and Modem: Dell Inspiron 4150 NOTICE: To prevent damage to the memory module connector, do not use tools to spread the inner metal tabs that secure the memory module. 2. Use your fingertips to carefully spread apart the inner tabs on each end of the memory module connector.
Page 113: Replacing Memory Modules
Memory Modules, Mini PCI Card, and Modem: Dell Inspiron 4150 5 inner tabs (2 per connector) 3. Lift the memory module out of its connector. Replacing Memory Modules 1. If you only have one memory module, install it in the connector labeled "JDIM1"...
Page 114 Memory Modules, Mini PCI Card, and Modem: Dell Inspiron 4150 NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. NOTICE: Read "Preparing to Work Inside the Computer" before performing the following procedure.
Page 115: Replacing The Mini Pci Card
Memory Modules, Mini PCI Card, and Modem: Dell Inspiron 4150 1 antenna connectors on card (2) 2 antenna cables (2) Replacing the Mini PCI Card 1. Align the Mini PCI card with the connector at a 45-degree angle, and press the Mini PCI card into the connector until you hear a click.
Page 116: Modem Cable
Memory Modules, Mini PCI Card, and Modem: Dell Inspiron 4150 NOTICE: Do not pull on the modem cable. Pull from the modem connector to disconnect the cable. 3. Pull straight up on the attached pull-tab to lift the modem out of its connector on the system board and disconnect the modem cable.
Page 117 Memory Modules, Mini PCI Card, and Modem: Dell Inspiron 4150 NOTICE: The connectors are keyed for correct insertion; do not force the connections. 2. Align the modem with the screw holes on the system board and press down on the pull-tab to seat the modem in the connector.
Page 118: Removing The Keyboard
Read "Preparing to Work Inside the Computer" before performing the following procedure. 1. Remove the hard drive. 2. Turn the computer over, and remove the five M2.5 x 12-mm screws labeled "circle K." file:///F|/Service%20Manuals/Dell/Inspiron/4150/keyboard.htm (1 of 6) [2/28/2004 7:29:42 AM]...
Page 119 Use a small, flat-blade screwdriver or plastic scribe to lift the right edge of the center control cover and pry it loose from the bottom case. b. Lift the center control cover up and away from the bottom case. file:///F|/Service%20Manuals/Dell/Inspiron/4150/keyboard.htm (2 of 6) [2/28/2004 7:29:42 AM]...
Page 120 Keyboard: Dell Inspiron 4150 5. To release the keyboard from the palm rest, use a small, flat-blade screwdriver or plastic scribe to pull up on the right edge of the blank key on the keyboard. file:///F|/Service%20Manuals/Dell/Inspiron/4150/keyboard.htm (3 of 6) [2/28/2004 7:29:42 AM]...
Page 121 8. Rest the key face of the keyboard on the palm rest. NOTICE: Do not pull on the keyboard flex and track stick cables. 9. Pull up on the keyboard connector to disconnect it from the interface connector on the system board. file:///F|/Service%20Manuals/Dell/Inspiron/4150/keyboard.htm (4 of 6) [2/28/2004 7:29:42 AM]...
Page 122: Replacing The Keyboard
4. Check that the keyboard is correctly installed. The keys should be flush with the left and right surfaces of the palm rest. 5. Replace the center control cover, close the display assembly, and turn the computer over. file:///F|/Service%20Manuals/Dell/Inspiron/4150/keyboard.htm (5 of 6) [2/28/2004 7:29:42 AM]...
Page 123 Keyboard: Dell Inspiron 4150 6. Reinstall the five M2.5 x 12-mm screws in the holes labeled "circle K." Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/keyboard.htm (6 of 6) [2/28/2004 7:29:42 AM]...
Page 124 Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 Back to Contents Page Display, Display Assembly, Display Latch, and Hinge Covers Dell™ Inspiron™ 4150 Display Display Assembly Display Latch Hinge Covers Display NOTICE: You must remove the display before you remove the palm rest.
Page 125: Top Cover
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 1 M2 x 3-mm screws (4) 2 top cover 3 center control cover 4 M2.5 x 5-mm screws (5) 5 bottom case 6 EMI shield bracket 1. Remove the hard drive.
Page 126 Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 3. Remove the keyboard. 4. Close the display. 5. From the back of the computer, remove the five M2.5 x 5-mm screws labeled "circle D." 6. Open the display approximately 180 degrees and support the display so that it does not open past this position.
Page 127: Display Assembly
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 1 M2 x 3-mm screws (2) 9. Pull up on the pull-tab that is attached to the display-feed flex cable connector to remove the tab from the interface connector on the system board.
Page 128: Rubber Screw Covers
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 1 rubber screw covers 5 M2 x 4-mm screws (5) 2 M2.5 x 5-mm screws 6 display-feed flex cable 3 display bezel 7 flex-cable retention bracket file:///F|/Service%20Manuals/Dell/Inspiron/4150/display.htm (5 of 13) [2/28/2004 7:29:44 AM]...
Page 129: Removing The Display Bezel
Carefully separate the bezel from the top cover to avoid damage to the bezel. 5. Starting at the bottom of the display panel (by the DELL™ logo), use your fingers to separate the bezel from the top cover by lifting up the inside of the bezel while pushing in on the outside.
Page 130 Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 NOTICE: Read "Preparing to Work Inside the Computer" before performing the following procedure. 1. Remove the hard drive. 2. Remove the display. 3. Remove the display bezel. 4. Remove the hinge covers.
Page 131: Inverter Connector
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 1 display panel connector 2 top flex-cable connector 3 pull-tab 4 bottom flex-cable connector 5 inverter connector 9. Remove the tape that secures the display panel connector and the tape that secures the middle of the display-feed flex cable to the display panel.
Page 132: Replacing The Display Panel
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 Replacing the Display Panel 1. Reconnect the top flex-cable connector to the display panel connector. 2. Reconnect the bottom flex-cable connector to the inverter connector. 3. Replace the tape that secures the display panel connector and the tape that secures the middle of the display-feed flex cable to the display panel.
Page 133: Replacing The Display Latch
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 (XGA panel shown) 1 M1.7 x 3.5-mm screws (2) 2 M2.5 x 5-mm screws (2) 3 display latch 4 bracket Replacing the Display Latch 1. On XGA panels, place the display latch on top of its screw holes, and then place the bracket on top of the display latch, aligning the bracket and display latch screw holes.
Page 134: Hinge Covers
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 2. Replace the two M2.5 x 5-mm screws and the two M1.7 x 3.5-mm screws that secure the display latch and bracket to the top cover. Hinge Covers Removing the Hinge Covers 1.
Page 135: Replacing The Hinge Covers
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 Replacing the Hinge Covers 1. Attach the display to the bottom case. 2. Close the display. 3. Snap the hinge covers in place over the hinges. HINT: The right plastic hinge-cover label includes an "R," and the left plastic hinge-cover label includes an "L."...
Page 136: Right Hinge Cover
Display, Display Assembly, Display Latch, and Hinge Covers: Dell Inspiron 4150 right hinge cover left hinge cover Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/display.htm (13 of 13) [2/28/2004 7:29:44 AM]...
Page 137: Palm Rest
You must remove the display before you remove the palm rest; the display hinges pass through the back of the palm rest. 3. Remove the display hinge covers. 4. Turn the computer over and remove the three M2.5 x 12-mm screws labeled "circle P." file:///F|/Service%20Manuals/Dell/Inspiron/4150/palmrest.htm (1 of 4) [2/28/2004 7:29:45 AM]...
Page 138 S-video TV-out connector. 7. Pull up on the pull-tab that is attached to the palm-rest flex cable connector to remove it from the interface connector on the system board. file:///F|/Service%20Manuals/Dell/Inspiron/4150/palmrest.htm (2 of 4) [2/28/2004 7:29:45 AM]...
Page 139 Palm Rest: Dell Inspiron 4150 1 M2 x 3-mm screws (3) 2 palm rest 3 palm-rest flex cable 4 bottom case 5 touch pad connector 6 back center of the palm rest file:///F|/Service%20Manuals/Dell/Inspiron/4150/palmrest.htm (3 of 4) [2/28/2004 7:29:45 AM]...
Page 140 8. Starting at the back center of the palm rest, use your fingers to separate the palm rest from the bottom case by lifting the inside of the palm rest while pushing in on the outside. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/palmrest.htm (4 of 4) [2/28/2004 7:29:45 AM]...
Page 141: Microprocessor Thermal Cooling Assembly
Microprocessor Thermal Cooling Assembly: Dell Inspiron 4150 Back to Contents Page Microprocessor Thermal Cooling Assembly Dell™ Inspiron™ 4150 Removing the Microprocessor Thermal Cooling Assembly NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.
Page 142 Microprocessor Thermal Cooling Assembly: Dell Inspiron 4150 1 microprocessor thermal cooling assembly 2 captive screws (4) 3 right side of the thermal cooling assembly 4 recess in the EMI shield (prying location) 4. Insert a screwdriver into the recess in the EMI shield under the front-left corner of the thermal cooling assembly, and pry the assembly up and away from the system board.
Page 143 Microprocessor Thermal Cooling Assembly: Dell Inspiron 4150 Assembly NOTICE: When replacing the microprocessor, to ensure proper thermal operation, always install a new thermal cooling assembly that is compatible with the new microprocessor. 1. Place the right side of the microprocessor thermal cooling assembly under the palm rest, and lower the assembly onto the system board.
Page 144: Microprocessor Module
NOTICE: To avoid damage to the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor when turning the cam screw. file:///F|/Service%20Manuals/Dell/Inspiron/4150/cpu.htm (1 of 5) [2/28/2004 7:29:47 AM]...
Page 145 To ensure maximum cooling for the microprocessor, do not touch the heat transfer areas on the microprocessor thermal cooling assembly. The oils in your skin reduce the heat transfer capability of the thermal pads. file:///F|/Service%20Manuals/Dell/Inspiron/4150/cpu.htm (2 of 5) [2/28/2004 7:29:47 AM]...
Page 146: Replacing The Microprocessor Module
When the microprocessor module is correctly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the others, the module is not seated correctly. file:///F|/Service%20Manuals/Dell/Inspiron/4150/cpu.htm (3 of 5) [2/28/2004 7:29:47 AM]...
Page 147: Flashing The Bios
1. Ensure that the AC adapter is plugged into an electrical outlet and that the main battery is installed in the battery bay. 2. Turn on the computer, and when the Dell™ logo appears, press immediately. If you wait too long and the Windows® logo appears, continue to wait until you see the Windows desktop.
Page 148 Microprocessor: Dell Inspiron 4150 The computer boots, updates the BIOS, and reboots. 5. Remove the flash BIOS update CD. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/cpu.htm (5 of 5) [2/28/2004 7:29:47 AM]...
Page 149: Removing The Hybrid Cooling Fan
Hybrid Cooling Fan: Dell Inspiron 4150 Back to Contents Page Hybrid Cooling Fan Dell™ Inspiron™ 4150 Removing the Hybrid Cooling Fan NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
Page 150 Hybrid Cooling Fan: Dell Inspiron 4150 1 system-board interface 5 M2 x 3-mm screw connector 2 fan power cable 6 M2.5 x 5-mm screws 3 spring fingers 7 hybrid cooling fan 4 keyboard screw hole 7. Disconnect the fan power cable from the system-board interface connector and remove the hybrid cooling fan.
Page 151 Hybrid Cooling Fan: Dell Inspiron 4150 file:///F|/Service%20Manuals/Dell/Inspiron/4150/fan.htm (3 of 3) [2/28/2004 7:29:47 AM]...
Page 152: Reserve Battery
4. Pry the reserve battery free from the system board. The reserve battery is attached to the system board with a piece of adhesive tape. 5. Remove any remnants of the adhesive tape from the EMI shield. file:///F|/Service%20Manuals/Dell/Inspiron/4150/rsrvbatt.htm (1 of 3) [2/28/2004 7:29:48 AM]...
Page 153: Replacing The Reserve Battery
Replacing the Reserve Battery 1. Connect the reserve battery cable to the system board connector, and then route the battery cable through the opening in the EMI shield to the battery tray. file:///F|/Service%20Manuals/Dell/Inspiron/4150/rsrvbatt.htm (2 of 3) [2/28/2004 7:29:48 AM]...
Page 154 2. Remove the backing from the adhesive on the bottom of the reserve battery, and press the battery into place in the battery tray. Update the BIOS using the flash BIOS update program CD. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/rsrvbatt.htm (3 of 3) [2/28/2004 7:29:48 AM]...
Page 155: Removing The Speaker Assemblies
The speakers are located on the front-left and front-right sides of the bottom case. Take note of the speaker and antenna wire routing so that you can replace them properly under their routing clips. file:///F|/Service%20Manuals/Dell/Inspiron/4150/speakers.htm (1 of 6) [2/28/2004 7:29:49 AM]...
Page 156 Speakers: Dell Inspiron 4150 file:///F|/Service%20Manuals/Dell/Inspiron/4150/speakers.htm (2 of 6) [2/28/2004 7:29:49 AM]...
Page 157: Right Speaker
Speakers: Dell Inspiron 4150 1 right speaker 2 palm-rest screw post 3 bottom case holders (2) 4 left speaker file:///F|/Service%20Manuals/Dell/Inspiron/4150/speakers.htm (3 of 6) [2/28/2004 7:29:49 AM]...
Page 158 Speakers: Dell Inspiron 4150 file:///F|/Service%20Manuals/Dell/Inspiron/4150/speakers.htm (4 of 6) [2/28/2004 7:29:49 AM]...
Page 159 Replacing the Speaker Assemblies 1. Slide the new speaker into its holder so that the speaker faces outward (toward the speaker grill on the side of the computer) when the speaker assembly is file:///F|/Service%20Manuals/Dell/Inspiron/4150/speakers.htm (5 of 6) [2/28/2004 7:29:49 AM]...
Page 160 2. Place the mounting ring over the front palm-rest screw post. NOTICE: Ensure that the speaker wires are routed securely under their mounting clips. 3. Slide the speaker assembly down into the bottom case. Back to Contents Page file:///F|/Service%20Manuals/Dell/Inspiron/4150/speakers.htm (6 of 6) [2/28/2004 7:29:49 AM]...
Page 161 Battery and Module Bay Latches: Dell Inspiron 4150 Back to Contents Page Battery and Module Bay Latches Dell™ Inspiron™ 4150 Removing the Battery and Module Bay Latches NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.
Page 162 Battery and Module Bay Latches: Dell Inspiron 4150 1 bumps (2 per latch) 6 snap tabs (2 per latch button) 2 slider 7 holding feature (2) 3 spring 8 upper latch assembly (2) 4 bottom case 9 wear rib 5 latch buttons (2) Replacing the Battery and Module Bay Latches 1.
Page 163 Battery and Module Bay Latches: Dell Inspiron 4150 b. Ensure that the slider is inserted into the hole, that the side of the latch with the two bumps is facing the back of the case, and that the side with the wear rib is facing the front of the case.

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