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Dell Precision 3520
Owner's Manual
Regulatory Model: P60F
Regulatory Type: P60F001

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   Summary of Contents for Dell Precision 3520

  • Page 1

    Dell Precision 3520 Owner's Manual Regulatory Model: P60F Regulatory Type: P60F001...

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    A WARNING indicates a potential for property damage, personal injury, or death. © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents 1 Working on your computer..........................7 Safety instructions................................7 Before working inside your computer..........................7 Turning off your computer — Windows 10........................8 After working inside your computer..........................8 2 Removing and installing components......................9 Recommended tools................................9 Subscriber Identity Module(SIM) board..........................9 Installing the Subscriber Identification Module (SIM) card..................9 Removing the Subscriber Identification Module (SIM) card..................

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    Power connector port..............................24 Removing the power connector port........................24 Installing the power connector port........................25 Chassis frame................................... 25 Removing the chassis frame............................ 25 Installing the chassis frame............................27 System board..................................27 Removing the system board............................. 27 Installing the system board............................30 SmartCard module................................30 Removing the SmartCard reader..........................

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    Chipsets.................................... 50 Downloading the chipset driver..........................51 Graphic options................................. 51 Intel HD Graphics drivers............................51 Downloading drivers..............................51 Display options..................................52 Identifying the display adapter..........................52 Changing the screen resolution..........................52 Rotating the display..............................52 Adjusting brightness in Windows 10........................53 Cleaning the display..............................53 Using touch screen in Windows 10..........................

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    Contact smart card specifications..........................77 Display specifications............................... 77 Keyboard specifications..............................78 Touchpad specifications..............................78 Battery specifications..............................79 AC Adapter specifications...............................79 Physical specifications..............................80 Environmental specifications............................80 6 Diagnostics..............................81 Enhanced Pre-Boot System Assessment (ePSA) diagnostics..................81 Device status lights................................82 Battery status lights.................................83 7 Contacting Dell............................84 Contents...

  • Page 7: 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: Turning Off Your Computer - Windows 10

    After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer. CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. Replace the battery.

  • Page 9: Removing And Installing Components

    Removing and installing components This section provides detailed information on how to remove or install the components from your computer. Recommended tools The procedures in this document require the following tools: • Phillips #0 screwdriver • Phillips #1 screwdriver • Plastic scribe NOTE: The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4...

  • Page 10: Base Cover

    Pull the SIM card tray to remove it. Remove the SIM card from the SIM card tray. Push the SIM card tray into the slot until it clicks into place. Base cover Removing the base cover Follow the procedure in Before working inside your computer.

  • Page 11: Installing The Base Cover

    Installing the base cover Align the base cover with the screw holders on the computer. Press the edges of the cover until it clicks into place. Tighten the M2x5 screws to secure the base cover to the computer. Follow the procedure in After working inside your computer.

  • Page 12: Installing The Battery

    Installing the battery NOTE: the 92Whr battery requires the use of a M.2 card and a 68Whr battery can use either a M.2 or 7mm SATA drive. Insert the battery into the slot on the computer. Connect the battery cable to the connector on the battery. Tighten the M2x5 screw to secure the battery to the computer.

  • Page 13: Installing The M.2 Solid State Drive (ssd)

    Installing the M.2 Solid State Drive (SSD) NOTE: Before installing SSD card, you must make sure that your computer has a 92 Whr battery. Insert the SSD into the connector on the computer. Tighten the M2.0x3.0 screw to secure the SSD to the computer. Affix the adhesive tape above the SSD card.

  • Page 14: Installing The Hard Drive Assembly

    battery To remove the hard drive assembly: Disconnect the hard drive cable from the connector on the system board. b Remove the screws that secure the hard drive assembly to the computer. Lift the hard drive assembly away from the computer. NOTE: 7mm SATA drive requires a 68Whr battery Installing the hard drive assembly...

  • Page 15: Installing The Coin Cell Battery

    Installing the coin cell battery Place the coin cell battery into the slot on the system board. Connect the coin cell battery cable to the connector on the system board. NOTE: Ensure the coin cell battery cable is properly routed to avoid damages to the cable. Install the: battery base cover...

  • Page 16: Installing The Wlan Card

    Disconnect the WLAN cables from the connectors on the WLAN card [3]. NOTE: The WLAN card is held in place with an adhesive foam spacer. d Lift the WLAN card to release it from the adhesive[4]. Installing the WLAN card Insert the WLAN card into the slot on the computer.

  • Page 17: Installing The Wwan Card

    battery To remove the WWAN card: Disconnect the WWAN cables from the connectors [1]. b Remove the M2.0x3.0 screw that secures the WWAN card to the computer [2]. Lift the WWAN card away from the connector[3]. Installing the WWAN card Insert the WWAN card into the slot on the computer.

  • Page 18: Installing The Memory Module

    battery To remove the memory module: Pry the clips securing the memory module until the memory pops-up [1]. b Lift the memory module away from the connector [2]. Installing the memory module Insert the memory module into the memory module socket until the clips secure the memory module. Install the: battery base cover...

  • Page 19: Removing The Keyboard

    NOTE: You may need a plastic scribe to pry the keyboard trim from the edges. Removing the keyboard Follow the procedure in Before working inside your computer. Remove the: base cover battery keyboard trim Lift the latch, and disconnect the keyboard cable [1], touchpad cable [2], trackstick cable [3] and back light(optional) [4] from the connector.

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    To remove the keyboard: Remove the M2x2 screws that secure the keyboard to the computer [1]. b Pry the keyboard from the edge of the computer [2]. Removing and installing components...

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    Slide and lift the keyboard away from the computer. Removing and installing components...

  • Page 22: Installing The Keyboard

    Installing the keyboard Align the keyboard with the screw holders on the computer. Tighten the M2.0x2.5 screws to secure the keyboard to the computer. Connect the keyboard cable, touchpad cable, trackstick cable and back light(optional) to the connectors on the system board. Install the: keyboard trim battery...

  • Page 23: Heat Sink

    Heat sink Removing the heat sink assembly Follow the procedure in Before working inside your computer. Remove the: base cover battery To remove the heat sink assembly: Disconnect the heat sink assembly cable[1] and remove the screws that secure on the system board[2]. b Remove the M2.0x3.0 screws that secure the heat sink assembly on the system board [1].

  • Page 24: Installing The Heat Sink Assembly

    Installing the heat sink assembly Place the heat sink assembly on the system board and align it with the screw holders. Tighten the M2.0x3.0 screws to secure the heat sink assembly to the system board. NOTE: Tighten the screws on the system board in the order of the callout numbers [1, 2, 3, 4, 5, 6]. Connect the heat sink assembly to the connector on the system board.

  • Page 25: Installing The Power Connector Port

    Installing the power connector port Insert the power connector port into the slot on the computer. Place the metal bracket on the power connector port. Tighten the M2.0x3.0 screw to secure the metal bracket to the power connector port on the computer. Connect the power connector port cable to the connector on the system board.

  • Page 26

    SSD card hard drive To release the chassis frame: Release the WLAN and WWAN cables from the routing channels [1]. b Disconnect the speaker cable from the connector on the system board [2]. Lift the latch and disconnect the keyboard cable, touchpad cable and pointstick cable from the connector [ 3, 4, 5, 6]. To remove the chassis frame: Remove the screws (M2.0x3.0, M2x5) that secure the chassis frame to the computer [1].

  • Page 27: Installing The Chassis Frame

    Installing the chassis frame Place the chassis frame on the computer and tighten the screws (M2x5, M2.0x3.0). Connect the speaker, keyboard cable, touchpad cable and pointstick cable Route the WLAN and WWAN cable. NOTE: Ensure the coin cell battery cable is properly routed to avoid damages to the cable. Install the: SSD card hard drive...

  • Page 28

    WWAN card SSD card hard drive memory module heat sink assembly coin cell battery Power connector port chassis frame To release the system board: Remove the M2.0x3.0 screws that secures the metal bracket [1]. b Lift the metal bracket that secures the display cable [2]. Disconnect the display cable from the connectors on the system board [3].

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    Remove the M2.0x3.0 screws and lift the system board away from the computer [1, 2]. Removing and installing components...

  • Page 30: Installing The System Board

    Installing the system board Align the system board with the screw holders on the computer. Tighten the M2.0x3.0 screws to secure the system board to the computer. Place the metal bracket and tighten the M2.0x5.0 screws on the system board. NOTE: The metal bracket referred is the USB-C bracket.

  • Page 31

    To remove the SmartCard reader: Remove the M2.0x3.0 screws that secure the SmartCard reader board to the palmrest [1]. b Push the SmartCard reader board to release it [2]. Removing and installing components...

  • Page 32: Installing The Smartcard Reader

    Installing the SmartCard reader Place the SmartCard reader on the computer. Tighten the M2.0x3.0 screws to secure the SmartCard reader to the computer. Affix the SmartCard reader cable and connect the cable to the connector. Install the: chassis frame SSD card hard drive WWAN card WLAN card...

  • Page 33: Installing The Led Board

    base cover battery WLAN card WWAN card SSD card hard drive chassis frame To remove the LED board: Lift the latch and disconnect the LED board cable from the connector on the LED board [1]. b Remove the M2.0x3.0 screw that secures the LED board to the computer [2]. Lift the LED board away from the computer [3].

  • Page 34: Speaker

    Speaker Removing the speaker Follow the procedure in Before working inside your computer. Remove the: base cover battery WLAN card WWAN card SSD card hard drive chassis frame To disconnect the cables: NOTE: Speaker cables are disconnected to remove the chassis frame. Lift the latch and disconnect the LED board cable [1].

  • Page 35: Installing The Speaker

    Installing the speaker Place the speakers into the slots on the computer. Route the speaker cable through the retention clips through routing channel. Connect the speaker and LED board cable on the computer. Install the: chassis frame SSD card hard drive WWAN card WLAN card battery...

  • Page 36: Installing The Hinge Cap

    Installing the hinge cap Place the hinge bracket to align with the screw holders on the computer. Tighten the M2x3.0 (OD4.5) screws to secure the display assembly to the computer. Install the: battery base cover Follow the procedure in After working inside your computer.

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    b Disconnect the eDP cable [2]. Remove the screws and lift the metal bracket that secure the display cable on the computer [3, 4]. d Disconnect the display cable [5]. To remove hinge screws: Remove the M2.0x5.0 screws that secure the display assembly [1]. b Release the antenna cables and display cable from the routing channel [2, 3].

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    Turn over the computer. To remove the display assembly: Remove the M2.0x5.0 screws that secure the display assembly to the computer [1]. b Open the display [2]. Removing and installing components...

  • Page 39

    Lift the display assembly away from the computer. Removing and installing components...

  • Page 40: Installing The Display Assembly

    Installing the display assembly Place the display assembly to align with the screw holders on the computer. Tighten the M2.0x5.0 screws to secure the display assembly to the computer. Turn over the computer. Route the display cable through the routing channel and route the antenna cables by pushing it through the hole. Connect the antenna cables and display cable to the connectors.

  • Page 41: Installing The Display Bezel

    CAUTION: There is a very strong adhesive on the back of the bezel that seals it to the LCD, this can take some force to pry apart from the LCD, care needs to be taken when removing the bezel that the LCD is not damaged Installing the display bezel Place the display bezel on the display assembly.

  • Page 42: Installing The Display Hinge

    battery WWAN card WLAN card hinge cap display assembly display bezel To remove the display hinge: Remove the M2.5x3.5 screws that secure the display hinge to the display assembly [1]. b Lift the display hinge away from the display assembly [2]. Repeat the same procedure to remove the other display hinge.

  • Page 43: Display Panel

    base cover Follow the procedure in After working inside your computer. Display panel Removing the display panel Follow the procedure in Before working inside your computer. Remove the: base cover battery WWAN card WLAN card hinge cap display assembly display bezel Remove the M2.0x3.0 screws that secure the display panel to the display assembly [1] and lift to turn over the display panel to access the eDP cable [2].

  • Page 44: Installing The Display Panel

    Installing the display panel Connect the eDP cable to the connector and affix the blue tape. Affix the adhesive tape to secure the eDP cable. Replace the display panel to align with the screw holders on the display assembly. Tighten the M2.0x3.0 screws to secure the display panel to the display assembly. Install the: display bezel display assembly...

  • Page 45: Edp Cable

    eDP cable Removing the eDP cable Follow the procedure in Before working inside your computer. Remove the: base cover battery WWAN card WLAN card display assembly display bezel display panel Peel off the eDP cable from the adhesive to remove it from the display. Installing the eDP cable Affix the eDP cable on the display assembly.

  • Page 46: Camera

    Follow the procedure in After working inside your computer. Camera Removing the camera Follow the procedure in Before working inside your computer. Remove the: base cover battery WLAN card WWAN card hinge cap display assembly display bezel display panel To remove the camera: Disconnect the camera cable from the connector [1].

  • Page 47: Installing The Camera

    Installing the camera Place the camera on the display assembly. Connect the camera cable to the connector on the display assembly Install the: display panel display bezel display assembly hinge cap WWAN card WLAN card battery base cover Follow the procedure in After working inside your computer.

  • Page 48

    Install the following components on the new palm rest. display assembly hinge cap system board chassis frame coin cell battery heat sink assembly memory module SSD card hard drive WWAN card WLAN card keyboard battery base cover Follow the procedure in After working inside your computer.

  • Page 49: Technology And Components

    Technology and components Power adapter This laptop is shipped with 7.4mm barrel plug on 130 W power adapter. WARNING: When you disconnect the power adapter cable from the laptop, grasp the connector, not the cable itself, and then pull firmly but gently to avoid damaging the cable. WARNING: The power adapter works with electrical outlets worldwide.

  • Page 50: Verifying The Processor Usage In Resource Monitor

    The processor performance details are displayed. Verifying the processor usage in Resource Monitor Press and hold the taskbar. Select Start Task Manager. The Windows Task Manager window is displayed. Click the Performance tab in the Windows Task Manager window. The processor performance details are displayed. Click Open Resource Monitor.

  • Page 51: Downloading The Chipset Driver

    Downloading the chipset driver Turn on the laptop. Go to Dell.com/support. Click Product Support, enter the Service Tag of your laptop, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your laptop model.

  • Page 52: Display Options

    Double-click the graphic driver file icon and follow the instructions on the screen. Display options This laptop has the following display options: • 15.6" HD (1366 x 768) • 15.6" FHD WVA (1920 x 1080) • 15.6" FHD WVA (touch) (1920 x 1080) Identifying the display adapter Start the Search Charm and select Settings.

  • Page 53: Adjusting Brightness In Windows 10

    • Rotate to 180 Degrees • Rotate to 270 Degrees NOTE: The Display can also be rotated using the following key combinations: • Ctrl + Alt + Up arrow key (Rotate to normal) • Right arrow key (Rotate 90 degrees) •...

  • Page 54: Connecting To External Display Devices

    Windows desktop and laptops. Downloading the audio driver Turn on the laptop. Go to www.Dell.com/support. Click Product Support, enter the Service Tag of your laptop and click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your laptop model.

  • Page 55: Changing The Audio Settings

    Identifying the hard drive in the BIOS Turn on or restart your system. When the Dell logo appears, perform the following action to enter the BIOS setup program: • With keyboard — Tap F2 until the Entering BIOS setup message appears. To enter the Boot selection menu, tap F12.

  • Page 56: Identifying The Camera In Device Manager On Windows 10

    Identifying the camera in Device Manager on Windows 10 In the Search box, type device manager, and tap to start it. Under Device Manager, expand Imaging devices. Starting the camera (Windows 7, 8.1 and 10) To start the camera, open an application that uses the camera. For instance, if you tap the Skype software that is shipped with the laptop, the camera turns on.

  • Page 57: Memory Features

    Verifying system memory in system setup (BIOS) Turn on or restart your system. Perform one of the following actions after the Dell logo is displayed: • With keyboard — Tap F2 until the Entering BIOS setup message appears. To enter the Boot selection menu, tap F12.

  • Page 58: Ddr4

    DDR4 DDR4 (double data rate fourth generation) memory is a higher-speed successor to the DDR2 and DDR3 technologies and allows up to 512 GB in capacity, compared to the DDR3's maximum of 128 GB per DIMM. DDR4 synchronous dynamic random-access memory is keyed differently from both SDRAM and DDR to prevent the user from installing the wrong type of memory into the system.

  • Page 59: Realtek Hd Audio Drivers

    Figure 3. Curved edge Memory Errors Memory errors on the system display the new ON-FLASH-FLASH or ON-FLASH-ON failure code. If all memory fails, the LCD does not turn on. Troubleshoot for possible memory failure by trying known good memory modules in the memory connectors on the bottom of the system or under the keyboard, as in some portable systems.

  • Page 60: System Setup Options

    Boot Sequence allows 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: •...

  • Page 61: Navigation Keys

    If you wait too long and the operating system logo appears, wait until you see the desktop. Then, shut down or restart your computer and try again. NOTE: After the Dell logo appears, you can also press F12 and then select BIOS setup. General screen options This section lists the primary hardware features of your computer.

  • Page 62: System Configuration Screen Options

    Option Description • Processor Information: Displays Processor Type, Core Count, Processor ID, Current Clock Speed, Minimum Clock Speed, Maximum Clock Speed, Processor L2 Cache, Processor L3 Cache, HT Capable, and 64-Bit Technology. • Device Information: Displays Primary Hard Drive, M.2 SATA2, M.2 SATA, M.2 PCIe SSD-0, LOM MAC Address, Video Controller, Video BIOS Version, Video Memory, Panel Type, Native Resolution, Audio Controller, Wi-Fi Device, WiGig Device, Cellular Device, Bluetooth Device.

  • Page 63

    Enable External USB Port (by default enable) • Enable Thunderbolt Ports (by default enable) • Enable Thunderbolt Boot Support • Always Allow Dell Docks (by default enable) • Enable Thunderbolt (ans PCIe behind TBT) Pre-boot • Security level — No Secuirty •...

  • Page 64: Video Screen Options

    Option Description • 5 seconds • 10 seconds (enabled by default) • 15 seconds • 30 seconds • 1 minute • 5 minutes • 15 minutes • Never Keyboard Backlight The Keyboard Backlight Timeout dims out with Battery option. The main keyboard illumination feature is not Timeout on Battery affected.

  • Page 65: Security Screen Options

    Security screen options Option Description Admin Password Allows you to set, change, or delete the administrator (admin) password. NOTE: You must set the admin password before you set the system or hard drive password. Deleting the admin password automatically deletes the system password and the hard drive password. NOTE: Successful password changes take effect immediately.

  • Page 66: Secure Boot Screen Options

    Option Description • Attestation Enable (enabled by default) • Key Storage Enable (enabled by default) • PPI Bypass for Disabled Commands • SHA-256 (enabled by default) • Disabled • Enabled NOTE: To upgrade or downgrade TPM1.2/2.0, download the TPM wrapper tool (software). Computrace Allows you to activate or disable the optional Computrace software The options are: •...

  • Page 67: Intel Software Guard Extensions

    Option Description • • • • If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are: • Save to File—Saves the key to a user-selected file • Replace from File—Replaces the current key with a key from a user-selected file •...

  • Page 68: Power Management Screen Options

    • Enable USB Wake Support • Wake on Dell USB-C Dock (By default enable) Wireless Radio Allows you to enable or disable the feature that automatically switches from wired or wireless networks without Control depending on the physical connection.

  • Page 69: Post Behavior Screen Options

    Configuration • Standard — Fully charges your battery at a standard rate. • ExpressCharge — The battery charges over a shorter period of time using Dell’s fast charging technology. This option is enabled by default. • Primarily AC use •...

  • Page 70: Virtualization Support Screen Options

    Option Description NOTE: When setup is running, this option has no effect. Setup works in Fn Key Only mode. Mouse/Touchpad Allows you to define how the system handles mouse and touch pad input. The options are: • Serial Mouse • PS2 Mouse •...

  • Page 71: Wireless Screen Options

    Option Description Enable Intel Virtualization Technology: This option is enabled by default. VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additional hardware capabilities provided by Intel® Virtualization technology for direct I/O. Enable VT for Direct I/O: This option is enabled by default. Trusted Execution This option specifies whether a Measured Virtual Machine Monitor (MVMM) can utilize the additional hardware capabilities provided by Intel Trusted Execution Technology.

  • Page 72: System Log Screen Options

    If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS update is completed. Restart the computer. Go to Dell.com/support. • Enter the Service Tag or Express Service Code and click Submit.

  • Page 73: Assigning A System Password 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. CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended.

  • Page 74: Technical Specifications

    Technical specifications NOTE: Offerings may vary by region. For more information regarding the configuration of your computer • Windows 10, click or tap Start > Settings > System > About. Topics: • System specifications • Processor specifications • Memory specifications •...

  • Page 75: Processor Specifications

    Intel Xeon processor supports both Error Correcting Code (ECC) and non-ECC memory as you can build out a system on Dell.com with either of them, the Intel Core processor only supports non- ECC memory as you can only build out a system with non-ECC memory.

  • Page 76: Video Specifications

    Feature Specification Stereo conversion Digital audio-out through HDMI — up to 7.1 compressed and uncompressed audio Internal interface High-definition audio codec External interface Stereo headset/mic combo Speakers Internal speaker 2 W (RMS) per channel amplifier Volume controls Hot keys Video specifications Feature Specification Type...

  • Page 77: Communication Specifications

    Communication specifications Features Specification Network adapter 10/100/1000 Mb/s Ethernet (RJ-45) Wireless • Internal wireless local area network (WLAN) • Internal Wireless wide area network (WWAN) Port and connector specifications Feature Specification Audio Stereo headset / mic combo Video • One 19-pin HDMI connector •...

  • Page 78: Keyboard Specifications

    Feature Specification • Touch FHD with OTP lite - The OTP Lite provides better clarity than traditional LED displays. OTP Lite also reduces the number of display layers and improves multi touch functionality. Height 360 mm (14.17 inches) Width 224.3 mm (8.83 inches) Diagonal 396.24 mm (15.6 inches) Active area (X/Y)

  • Page 79: Battery Specifications

    Feature Specification Y-axis 53.00 mm Battery specifications Feature Specification Type 68Whr 92Whr 68 Whr : Depth 233.00 mm (9.17 inches) Height 7.5 mm (0.28 inch) Width 95.90 mm (3.78 inches) Weight 340 g (0.74 lb) Voltage 7.6 V DC 92Whr : Depth 332.00 mm (13.07 inches) Height...

  • Page 80: Physical Specifications

    Feature Specification Rated output 19.5 +/– 1.0 V DC voltage Temperature range 0°C to 40°C (32°F to 104°F) (Operating) Temperature range –40°C to 70°C (–40°F to 158°F) (Non-Operating) Barrel size 7.4mm Physical specifications Feature Specification Front height • 24.3 mm (0.95 inch) Back height •...

  • Page 81: Diagnostics

    Diagnostics If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.

  • Page 82: Device Status Lights

    If you wish to run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test. Select the device from the left pane and click Run Tests If there are any issues, error codes are displayed. Note the error code and contact Dell. Device status lights Table 4. Device status lights...

  • Page 83: Battery Status Lights

    The Battery LED will pause for 3 seconds before the next cycle repeat itself again. Battery status lights If the computer is connected to an electrical outlet, the battery light operates as follows: Alternately blinking An unauthenticated or unsupported non-Dell AC adapter is attached to your laptop. amber light and white light Alternately blinking Temporary battery failure with AC adapter present.

  • Page 84: Contacting Dell

    Dell product catalog. 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: Go to Dell.com/support.

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