Related Manuals for Dell W14B
Summary of Contents for Dell W14B
- Page 1 Dell OptiPlex 5250 All-In-One Owners Manual Regulatory Model: W14B Regulatory Type: W14B002 April 2024 Rev. A05...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 20172024 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
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Page 3: Table Of Contents
Contents Chapter 1: Working on your computer....................7 Before working inside your computer..........................7 Safety instructions................................7 Recommended tools................................8 Turning off your computer..............................8 Turning off your computer — Windows 7.......................8 Turning off your — Windows............................. 8 After working inside your computer..........................8 Important Information................................ - Page 4 Heat sink .....................................24 Removing the heat sink ............................24 Installing the heat sink..............................25 Speaker....................................25 Removing the speaker module..........................25 Installing the speaker module............................27 Display panel..................................27 Removing the display panel............................27 Installing the display panel............................28 Chassis frame..................................29 Removing the chassis frame.............................29 Installing the chassis frame............................30 Power supply unit................................31 Removing the Power Supply Unit - PSU........................
- Page 5 Entering BIOS setup..............................52 Memory configurations..............................53 Verifying system memory in Windows 10 and Windows 7 ................53 DDR4....................................53 Chapter 5: System setup......................56 Boot Sequence.................................. 56 Navigation keys................................. 56 System setup options...............................57 System setup options...............................57 General screen options...............................57 System configuration screen options........................58 Security screen options.............................
- Page 6 Environmental specifications............................76 Chapter 8: Contacting Dell......................77 Contents...
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Page 7: Chapter 1: Working On Your Computer
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. -
Page 8: Recommended Tools
tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned. NOTE: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source. -
Page 9: Important Information
3. Replace any media cards, discs, or any other parts that you removed before working on your computer. 4. Connect your computer and all attached devices to their electrical outlets. 5. Turn on your computer. Important Information NOTE: Avoid using the touchscreen in dusty, hot, or humid environments. NOTE: Sudden change in temperature may cause condensation on the inner surface of the glass screen, which will disappear after a short time and does not affect normal usage. -
Page 10: Chapter 2: Disassembly And Reassembly
Disassembly and reassembly Topics: • Stand • Cable cover • Side Cover • Speaker cover • Hard drive • Optical drive • System board shield • Memory modules • Solid State Drive • Coin-cell battery • WLAN card • Heat sink •... - Page 11 Figure 1. Height Adjustable Stand Figure 2. Fix stand Disassembly and reassembly...
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Page 12: Installing The Stand
Figure 3. Articulate stand Installing the stand 1. Place the computer on a clean, flat surface and align the stand, and then slide it on the back of the computer. 2. Press the stand down till it snaps in. 3. Follow the procedure in After working inside your computer. -
Page 13: Installing The Cable Cover
Installing the cable cover 1. Align the notches on the cable cover to the holes on the computer and press the cable cover until it snaps in. 2. Tighten the screw to secure the cable cover to the computer. 3. Install the stand. 4. -
Page 14: Installing The Back Cover
4. Lift the back cover from the computer. Installing the back cover 1. Align the notches on the back cover to the holes on the computer, and press the back cover until it snaps in. Disassembly and reassembly... -
Page 15: Speaker Cover
2. Install the: cable cover stand 3. Follow the procedure in After working inside your computer. Speaker cover Removing the speaker cover 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand cable cover back cover 3. -
Page 16: Installing The Speaker Cover
Installing the speaker cover 1. Align and push the speaker cover to pop tabs into its position on the back of the computer. 2. Tighten the screws to secure the speaker cover to the computer. 3. Install the: back cover cable cover stand 4. -
Page 17: Installing The Hard Drive Assembly
4. To remove the hard drive bracket: a. Pry the edges of the bracket to release the hard drive [1]. b. Slide the hard drive and lift it away from the bracket [2]. Installing the hard drive assembly 1. Align the hard drive until the notches are aligned and the hard drive is secured in the bracket. 2. -
Page 18: Optical Drive
4. Follow the procedure in After working inside your computer. Optical drive Removing the optical drive assembly 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover 3. To remove the optical drive assembly: a. -
Page 19: Installing The Optical Drive Assembly
Installing the optical drive assembly 1. Place the bracket to align the screw holders on the optical drive. 2. Tighten the screws to secure the bracket to the optical drive. 3. Insert the optical drive assembly into the drive slot, until it snaps in. 4. -
Page 20: Installing The System Board Shield
Installing the system board shield 1. Align and slide the system board shield until it snaps in. 2. Install the: back cover stand 3. Follow the procedure in After working inside your computer. Memory modules Removing the memory module 1. Follow the procedure in Before working inside your computer. -
Page 21: Installing The Memory Module
Installing the memory module 1. Insert the memory module on the memory connector until the clips secure the memory module. 2. Install the: system board shield back cover stand 3. Follow the procedure in After working inside your computer. Solid State Drive Removing the SSD card 1. -
Page 22: Installing The Ssd Card
Installing the SSD card 1. Insert the SSD card into the connector. 2. Tighten the screw to secure the SSD card to the system board. 3. Install the: system board shield back cover stand 4. Follow the procedure in After working inside your computer. -
Page 23: Installing The Coin Cell Battery
Installing the coin cell battery 1. Insert the coin cell battery into the slot on the system board until it fits securely. 2. Install the: system board shield back cover stand 3. Follow the procedure in After working inside your computer. -
Page 24: Installing The Wlan Card
Installing the WLAN card 1. Align the WLAN card to the connector on the system board. 2. Tighten the screw to secure the WLAN card to the system board. 3. Connect the antenna cables to the connectors on the WLAN card. 4. -
Page 25: Installing The Heat Sink
Installing the heat sink 1. Align and place the heat sink in the slot. 2. Tighten the screws to secure the heat sink to the computer. 3. Install the: system board shield back cover stand 4. Follow the procedure in After working inside your computer. - Page 26 4. To remove the speaker module: a. Remove the screws that secure the speaker module to the chassis [1]. b. Lift the speaker module and remove it from the chassis [2]. Disassembly and reassembly...
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Page 27: Installing The Speaker Module
Installing the speaker module 1. Insert the speaker module into the slot on the chassis. 2. Tighten the screws to secure the speaker to the chassis. 3. Secure the speaker cables through the retention clips. 4. Connect the speaker cable to the connector on the system board. 5. -
Page 28: Installing The Display Panel
Installing the display panel 1. Align the display panel with the screw holes on the computer. 2. Tighten the screws to secure the display panel to the computer. 3. Install the: chassis frame system board power supply unit coin cell battery system fan processor heat sink... -
Page 29: Chassis Frame
Chassis frame Removing the chassis frame NOTE: These instructions are applicable only for systems with a non-touch screen display. 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover cable cover speaker cover speaker hard drive optical drive VESA mount bracket... -
Page 30: Installing The Chassis Frame
● NOTE: There is a cable that is taped/glued down to the chassis frame. That cable runs down from the On-Screen Display (OSD) and into a connector on the Display Bezel for the Power Button board below the OSD Button board. Trying to lift the chassis frame without disconnecting this cable first could damage the connector. -
Page 31: Power Supply Unit
hard drive cable cover speaker speaker cover back cover stand 5. Follow the procedure in After working inside your computer. Power supply unit Removing the Power Supply Unit - PSU 1. Follow the procedure in Before working inside your computer. 2. - Page 32 a. Remove the screw that secures the power supply socket to the chassis [1]. b. Slide the socket to remove it from the computer [2]. 5. To remove the PSU: NOTE: Field Engineers to ensure defective Power Supply Unit is returned along with BIST board. a.
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Page 33: Installing The Power Supply Unit - Psu
Installing the Power Supply Unit - PSU 1. Place the PSU on the chassis. 2. Tighten the screw to secure the PSU to the chassis. 3. Place the power supply socket in the slot on the chassis. 4. Tighten the screw to secure the power supply socket to the chassis. 5. -
Page 34: Installing The Vesa Mount Bracket
Installing the VESA mount bracket 1. Align and place the bracket in the slot on the computer. 2. Tighten the screws that secure the VESA mount bracket to the computer. 3. Install the: power supply unit system board shield speaker cover cable cover back cover stand... -
Page 35: Installing The Converter Board
a. Disconnect the convertor board cable from the converter board [1]. b. Disconnect the display backlight cable from the converter board [2]. c. Remove the screws that secure the converter board to the computer [3]. d. Lift the converter board away from the computer [4]. Installing the converter board 1. -
Page 36: System Fan
System fan Removing the system fan 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover cable cover speaker cover system board shield power supply unit VESA mount bracket 3. To remove the system fan: a. -
Page 37: Intrusion Switch
power supply unit system board shield speaker cover cable cover back cover stand 5. Follow the procedure in After working inside your computer. Intrusion switch Removing the intrusion switch 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover cable cover... -
Page 38: Installing The Intrusion Switch
Installing the intrusion switch 1. Place the intrusion switch in the slot on the computer. 2. Tighten the screw to secure the intrusion switch to the chassis. 3. Route intrusion switch cable along the retention clips on the chassis. 4. Connect the intrusion switch cable to the connector on the system board. 5. -
Page 39: Installing The Osd Buttons Board
Installing the OSD buttons board 1. Connect the cable to the OSD buttons board. 2. Affix the tape on the OSD buttons board. 3. Insert the OSD buttons board into the slot. 4. Align the metal plate on the OSD buttons board. 5. -
Page 40: Installing The Processor
WLAN card memory heat sink system fan 3. To remove the processor: a. Release the socket lever by pushing the lever down and out from under the tab on the processor shield [1]. b. Lift the lever upward and lift the processor shield [2]. CAUTION: The processor socket pins are fragile and can be permanently damaged. -
Page 41: System Board
System board Removing the system board 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover cable cover speaker cover speaker hard drive optical drive VESA mount bracket system board shield SSD card WLAN card memory heat sink system fan... - Page 42 4. Remove the screws that secure the system board to the chassis. Disassembly and reassembly...
- Page 43 5. Slide and lift the system board to remove it from the computer. Disassembly and reassembly...
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Page 44: Installing The System Board
Installing the system board 1. Place the system board on the computer. 2. Connect all the cables to the system board. 3. Tighten the screws to secure the system board to the base panel. 4. Install the: power supply unit coin cell battery system fan processor... -
Page 45: System Board Layout
System board layout 1. LVDS connector 2. Camera connector 3. Antenna wire clip 4. WLAN connector 5. Jumper connector 6. Coin cell battery 7. Speaker connector 8. Memory module connector 9. Jumper connector 10. M.2 SSD slot 11. Optical drive connector 12. - Page 46 17. Converter board connector 18. Windows serial debug connector 19. HDD/ODD power connector 20. LPC debug connector 21. APS debug connector 22. CPU fan 23. Power supply connector 24. CPU fan connector 25. CPU fan connector 26. CPU socket Disassembly and reassembly...
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Page 47: Chapter 3: M.2 Intel Optane Memory Module 16 Gb
M.2 Intel Optane Memory Module 16 GB Topics: • Overview • Intel®OptaneTM Memory Module Driver Requirements • Installing M.2 Intel Optane Memory Module 16 GB • Product specifications • Environmental Conditions • Troubleshooting Overview This document describes the specifications and capabilities of the Intel® Optane memory module. - Page 48 back cover system board shield 3. To remove M.2 Intel optane memory module:: a. Remove white adhesive tape from the box. b. Place the M.2 Intel optane memory module into the slot on the computer. c. Tighten the screw that secures the M.2 Intel optane memory module on the computer. M.2 Intel Optane Memory Module 16 GB...
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Page 49: Product Specifications
Product specifications Table 2. Product specifications Features Specification Capacities 16 GB, 32 GB Expansion cards PCIe 3.0 x 2 M.2 form factors (all densities) 2280–S3–B-M Performace ● Seq R/W: Up to 1350/290 MS/s ● QD4 4HB Random Read: 240K + IOPs ●... -
Page 50: Environmental Conditions
Environmental Conditions Table 3. Temperature, Shock, Vibration Temperature M.2 2280 form factor Operating 0–70º C Non-operating -10–85º C Temperature Gradient 30º C/hr (Typical) Operating 30º C/hr (Typical) Non-operating Humidity 5–95% Operating 5–95% Non-operating Shock and Vibration Range Shock 1500 G / 0.5 ms Operating 230 G / 3 msec Non-operating... - Page 51 M.2 Intel Optane Memory Module 16 GB...
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Page 52: Chapter 4: Technology And Components
Entering BIOS setup 1. Turn on or restart your laptop. 2. When the Dell logo appears, perform the following action to enter the BIOS setup program: Tap F2 until the Entering BIOS setup message appears. Hard drive is listed under the System Information under the General group. -
Page 53: Memory Configurations
The memory information is displayed on the right pane. Memory configurations The supported memory configurations for are as follows: ● 4GB DDR4, 2400MHz, (1 x 4GB) ● 8GB DDR4, 2400MHz, (1 x 8GB) ● 8GB DDR4, 2400MHz, (2 x 4GB) ●... - Page 54 Table 4. DDR3 vs DDR4 (continued) Feature/Option DDR3 DDR4 DDR 4 Advantages VREF inputs 2 —DQs and CMD/ADDR 1 — CMD/ADDR VREFDQ Now Internal tCK — DLL Enabled 300 Mhz-800 Mhz 667Mhz-1.6Ghz Higher data rates tCK — DLL Disabled 10MHz – 125MHz (optional) Undefined to 125MHz DLL-off now fully supported Read Latency...
- Page 55 Figure 5. Thickness difference Curved edge DDR4 modules feature a curved edge to help with insertion and alleviate stress on the PCB during memory installation. Figure 6. Curved edge Technology and components...
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Page 56: Chapter 5: System Setup
Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ●... -
Page 57: System Setup Options
Table 5. Navigation keys (continued) Keys Navigation Spacebar Expands or collapses a drop-down list, if applicable. Moves to the next focus area. Moves to the previous page until you view the main screen. Pressing Esc in the main screen displays a message that prompts you to save any unsaved changes and restarts the system. -
Page 58: System Configuration Screen Options
System configuration screen options Option Description Integrated NIC If you enable UEFI network stack, UEFI network protocols will be available. UEFI network allows pre-os and early os networking features to use NICs that are enabled. This may be used without PXE turned on. -
Page 59: Security Screen Options
Option Description OSD Button This field allows you to enable or disable the OSD (On-Screen Display) buttons on the All-In-One system. Management This option is disabled by default. Touchscreen This option allows you to enable or disable touchscreen. Miscellaneous Allows you to enable or disable the following devices: Devices ●... -
Page 60: Secure Boot Screen Options
Option Description NOTE: Activation, deactivation, and clear options are not affected if you load the setup program's default values. Changes to this option take effect immediately. Computrace Allows you to activate or disable the optional Computrace software The options are: ●... -
Page 61: Intel Software Guard Extensions Options
Intel Software Guard Extensions options Option Description Intel SGX Enable Allows you to enable or disable the Intel Software Guard Extensions to provide a secured environment for running code/storing sensitive information in the context of the main operating system. ● Disabled (default) ●... -
Page 62: Post Behavior Screen Options
Option Description NOTE: This feature does not work if you turn off your computer using the switch on a power strip or surge protector or if Auto Power is set to disabled. Deep Sleep Allows you to define the controls when Deep Sleep is enabled. Control ●... -
Page 63: Virtualization Support Screen Options
Follow the procedure to recover BIOS from hard drive. 1. Power on the system. 2. While the blue Dell logo is visible, press the F2 key to enter the System Setup. 3. Press the Num Lock key, and verify that the Num Lock light is on. -
Page 64: Updating The Bios
3. Insert the USB flash drive into the system that requires the BIOS update. 4. Restart the system and press F12 when the Dell splash logo appears to display the One Time Boot Menu. 5. Using arrow keys, select USB Storage Device and click Enter. -
Page 65: System And Setup Password
Figure 7. DOS BIOS Update Screen System and setup password Table 6. System and setup password Password type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. -
Page 66: Deleting Or Changing An Existing System Setup Password
4. Press Esc and a message prompts you to save the changes. 5. Press Y to save the changes. The computer reboots. Deleting or changing an existing system setup password Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and Setup password. -
Page 67: Chapter 6: Troubleshooting Your Computer
Invoke diagnostics boot by either of the methods that are suggested below: 1. Power on the computer. 2. As the computer boots, press the F12 key when the Dell logo is displayed. 3. In the boot menu screen, use Up/Down arrow key to select the Diagnostics option and then press Enter. -
Page 68: Diagnostics
Power supply-built in self test BIST The Dell OptiPlex, and Desktops(AIO) features a new Power Supply Unit (PSU) Built -in Self Test (BIST). BIST can now be performed by simply connecting the AC power cord to the PSU. -
Page 69: Power Supply
LCD built in self test - BIST All-in-One (AIO) systems supports LCD BIST similar to any other Dell systems that have BIST test implemented. It allows the user to isolate the LCD during troubleshooting to determine which sub-system is at fault. The main difference is the lack of an integrated keyboard scan controller in the AIO. - Page 70 Troubleshooting your computer...
- Page 71 Invoking BIST with user modes There are two methods to invoke the LCD BIST . ● OSD Toggle ● ePSA OSD toggle The first method of user initiation is via OSD toggle button. The user should press the OSD toggle button and hold it in while the power button is applied to turn the AIO on.
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Page 72: Chapter 7: Technical Specifications
Technical specifications NOTE: Offerings may vary by region. For more information regarding the configuration of your computer in: ● Windows 10, click or tap Start > Settings > System > About. ● Windows 8.1 and Windows 8, from the charms sidebar, click or tap Settings > Change PC settings. In the PC Settings window, select PC and devices >... -
Page 73: Memory Specifications
Feature Specification Total cache Up to 8 MB cache depending on processor type Chipset Intel Q270 chipset Memory specifications Feature Specification Memory type up to 2400 MHz, unbuffered non-ECC, dual‑channel DDR4 2133 configuration (2133 MHz on Intel 6th generation processors) Memory capacity 4 GB, 8 GB Memory two internally-accessible DDR4 SODIMM sockets... -
Page 74: Communication Specifications
Feature Specification other than those specified by the manufacturer may lead to heightened sound pressure level. Communication specifications Features Specification Network adapter Intel 10/100/1000 Mbps RJ-45 Ethernet Wireless Combo M.2 card (Intel Wireless 8265 M.2 PCIe WLAN card (802.11n/ac) with Bluetooth) Cards specifications Feature Specification... -
Page 75: Power Specifications
Feature Specification Media card one 4-in-1 slot reader Power specifications Feature Specification 155 Watt PSU for 200 Watt dGPU and UHD(4K) Frequency 47 Hz — 63 Hz Voltage 90 VAC — 264 VAC Input current ● Maximum 2.6 A ( Low AC range) ●... - Page 76 Feature Specification Touch 11.00 kg with stand (24.25 lb) NOTE: The weight of your computer may vary depending on the configuration ordered and the manufacturing variability. Environmental specifications Temperature Specifications Operating 0°C to 35°C (32°F to 95°F) Storage –40°C to 65°C (–40°F to 149°F) Relative Specifications humidity...
- Page 77 Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1. Go to Dell.com/support.