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Dell P35E Service Manual

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Inspiron 3780
Service Manual
Regulatory Model: P35E
Regulatory Type: P35E004
October 2020
Rev. A01

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Summary of Contents for Dell P35E

  • Page 1 Inspiron 3780 Service Manual Regulatory Model: P35E Regulatory Type: P35E004 October 2020 Rev. A01...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2018 - 2019 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 Chapter 1: Before working inside your computer................9 Before you begin .................................9 Chapter 2: After working inside your computer................10 Chapter 3: Safety instructions..................... 11 Electrostatic discharge—ESD protection........................11 ESD field service kit ................................. 12 Transporting sensitive components..........................13 Chapter 4: Recommended tools....................14 Chapter 5: Screw list........................
  • Page 4 Procedure ...................................30 Post-requisites...................................30 Chapter 14: Removing the wireless card..................31 Prerequisites..................................31 Procedure.....................................31 Chapter 15: Replacing the wireless card..................33 Procedure....................................33 Post-requisites................................... 33 Chapter 16: Removing the optical-drive connector board.............34 Prerequisites..................................34 Procedure....................................34 Chapter 17: Replacing the optical-drive connector board.............35 Procedure ...................................35 Post-requisites...................................35 Chapter 18: Removing the coin-cell battery.................
  • Page 5 Procedure ...................................47 Post-requisites................................... 48 Chapter 26: Removing the touchpad....................49 Prerequisites..................................49 Procedure....................................49 Chapter 27: Replacing the touchpad.................... 51 Procedure ................................... 51 Post-requisites...................................52 Chapter 28: Removing the speakers.................... 53 Prerequisites..................................53 Procedure....................................53 Chapter 29: Replacing the speakers.................... 54 Procedure ...................................54 Post-requisites...................................54 Chapter 30: Removing the heat sink....................55 Prerequisites..................................55 Procedure....................................55 Chapter 31: Replacing the heat sink....................
  • Page 6 Prerequisites..................................69 Procedure....................................69 Chapter 37: Replacing the I/O board................... 70 Procedure ...................................70 Post-requisites................................... 70 Chapter 38: Removing the power-button board................71 Prerequisites..................................71 Procedure.....................................71 Chapter 39: Replacing the power-button board................73 Procedure ...................................73 Post-requisites................................... 74 Chapter 40: Removing the system board..................75 Prerequisites..................................75 Procedure....................................75 Chapter 41: Replacing the system board..................
  • Page 7 Chapter 48: Removing the camera....................91 Prerequisites..................................91 Procedure.....................................91 Chapter 49: Replacing the camera....................92 Procedure ...................................92 Post-requisites...................................92 Chapter 50: Removing the display panel..................93 Prerequisites..................................93 Procedure....................................93 Chapter 51: Replacing the display panel..................95 Procedure ..................................95 Post-requisites...................................96 Chapter 52: Removing the display hinges..................97 Prerequisites..................................
  • Page 8 Flashing BIOS (USB key)..............................111 Enhanced Pre-Boot System Assessment (ePSA) diagnostics................111 Running the ePSA diagnostics..........................112 System diagnostic lights..............................112 Enabling Intel Optane memory............................113 Disabling Intel Optane memory............................. 113 WiFi power cycle................................113 Flea power release................................114 Chapter 61: Getting help and contacting Dell................115 Contents...

  • Page 9: Chapter 1: Before Working Inside Your Computer

    Before working inside your computer NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin 1. Save and close all open files and exit all open applications. 2. Shut down your computer. Click Start > Power >...

  • Page 10: Chapter 2: After Working Inside Your Computer

    After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3.

  • Page 11: Chapter 3: Safety Instructions

    ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 12: Esd Field Service Kit

    It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.

  • Page 13: Transporting Sensitive Components

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Lifting equipment Adhere to the following guidelines when lifting heavy weight equipment: CAUTION: Do not lift greater than 50 pounds.

  • Page 14: Chapter 4: Recommended Tools

    Recommended tools The procedures in this document may require the following tools: ● Philips screwdriver #1 ● Flat-head screwdriver ● Plastic scribe Recommended tools...

  • Page 15: Chapter 5: Screw List

    Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced.
  • Page 16 Table 1. Screw list (continued) Component Secured to Screw type Quantity Screw image Optical-drive connector Palm rest and keyboard M2x2 Big Head board assembly Power-adapter port Palm rest and keyboard M2x2 assembly Power-button board Palm rest and keyboard M2x3 assembly Power button with Palm rest and keyboard M2x2...

  • Page 17: Chapter 6: Removing The Optical Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Remove the screw (M2x2) that secures the optical-drive assembly to the base cover.
  • Page 18 Removing the optical drive...

  • Page 19: Chapter 7: Replacing The Optical Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Align the tabs on the optical-drive bezel with the slots on the optical drive and snap the optical-drive bezel into place.
  • Page 20 Replacing the optical drive...

  • Page 21: Chapter 8: Removing The Base Cover

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the optical drive.
  • Page 22 NOTE: The following steps are applicable only if you want to further remove any other component from your computer. 7. Disconnect the battery cable from the system board. 8. Press and hold the power button for 5 seconds to ground the computer and drain the flea power. Removing the base cover...

  • Page 23: Chapter 9: Replacing The Base Cover

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Connect the battery cable to the system board, if applicable.

  • Page 24: Post-Requisites

    3. Replace the seven screws (M2.5x7) that secure the base cover to the palm rest and keyboard assembly. 4. Replace the two screws (M2x2) that secure the base cover to the palm rest and keyboard assembly. 5. Replace the screw (M2x4) that secures the base cover to the palm rest and keyboard assembly. 6.

  • Page 25: Chapter 10: Removing The Battery

    ● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.
  • Page 26 Removing the battery...

  • Page 27: Chapter 11: Replacing The Battery

    ● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.

  • Page 28: Post-Requisites

    Post-requisites 1. Replace the base cover. 2. Replace the optical drive. Replacing the battery...

  • Page 29: Chapter 12: Removing The Memory Modules

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.

  • Page 30: Chapter 13: Replacing The Memory Modules

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Align the notch on the memory module with the tab on the memory-module slot.

  • Page 31: Chapter 14: Removing The Wireless Card

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.
  • Page 32 Removing the wireless card...

  • Page 33: Chapter 15: Replacing The Wireless Card

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it.

  • Page 34: Chapter 16: Removing The Optical-Drive Connector Board

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.

  • Page 35: Chapter 17: Replacing The Optical-Drive Connector Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Align the screw hole on the optical-drive connector board with the screw hole on the palm rest and keyboard assembly.

  • Page 36: Chapter 18: Removing The Coin-Cell Battery

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.

  • Page 37: Chapter 19: Replacing The Coin-Cell Battery

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. With the positive-side facing up, snap the coin-cell battery into the battery socket on the I/O board.

  • Page 38: Chapter 20: Removing The Fan

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.
  • Page 39 Removing the fan...

  • Page 40: Chapter 21: Replacing The Fan

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Align the screw holes on the fan with the screw holes on to the palm rest and keyboard board assembly.

  • Page 41: Post-Requisites

    Post-requisites 1. Replace the base cover. 2. Replace the optical drive. Replacing the fan...

  • Page 42: Chapter 22: Removing The Solid-State Drive/Intel Optane Memory Module

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.
  • Page 43 Removing the solid-state drive/Intel Optane memory module...

  • Page 44: Chapter 23: Replacing The Solid-State Drive/Intel Optane Memory Module

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive.

  • Page 45: Chapter 24: Removing The Hard Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
  • Page 46 5. Remove the four screws (M3x3) that secure the hard-drive bracket to the hard drive. 6. Lift the hard-drive bracket off the hard drive. Removing the hard drive...

  • Page 47: Chapter 25: Replacing The Hard Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.

  • Page 48: Post-Requisites

    Post-requisites 1. Replace the battery. 2. Replace the base cover. 3. Replace the optical drive. Replacing the hard drive...

  • Page 49: Chapter 26: Removing The Touchpad

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.
  • Page 50 Removing the touchpad...

  • Page 51: Chapter 27: Replacing The Touchpad

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure NOTE: Ensure that the touchpad is aligned with the guides available on the palm-rest and keyboard assembly, and the gap on either sides of the touchpad is equal.

  • Page 52: Post-Requisites

    Post-requisites 1. Replace the battery. 2. Replace the base cover. 3. Replace the optical drive. Replacing the touchpad...

  • Page 53: Chapter 28: Removing The Speakers

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.

  • Page 54: Chapter 29: Replacing The Speakers

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure NOTE: If the rubber grommets are pushed out when removing the speakers, push them back in before replacing the speakers.

  • Page 55: Chapter 30: Removing The Heat Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.

  • Page 56: Chapter 31: Replacing The Heat Sink

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.

  • Page 57: Chapter 32: Removing The Power-Adapter Port

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Removing the display assembly NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the...
  • Page 58 6. Remove the five screws (M2.5x5) that secure the left and right hinges to the system board and palm rest and keyboard assembly. 7. Open the hinges. 8. Lift the palm rest and keyboard assembly at an angle. 9. Slide and remove the palm rest and keyboard assembly off the display assembly. Removing the power-adapter port...

  • Page 59: Procedure

    10. After performing all the above steps, you are left with display assembly. Procedure 1. Remove the three screws (M2.5x5) that secure the right hinge to the system board and palm rest assembly. 2. Lift the right hinge. 3. Disconnect the power-adapter port cable from the system board. 4.
  • Page 60 Removing the power-adapter port...

  • Page 61: Chapter 33: Replacing The Power-Adapter Port

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Align the screw hole on the power-adapter port with the screw hole on the palm rest and keyboard assembly.
  • Page 62 2. Using the alignment posts, press the hinges down on the system board and the palm rest and keyboard assembly. 3. Replace the five screws (M2.5x5) that secure the left and right hinges to the system board and palm rest and keyboard assembly.

  • Page 63: Post-Requisites

    Post-requisites 1. Replace the wireless card. 2. Replace the base cover. 3. Replace the optical drive. Replacing the power-adapter port...

  • Page 64: Chapter 34: Removing The Display Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.
  • Page 65 8. Lift the palm rest and keyboard assembly at an angle. 9. Slide and remove the palm rest and keyboard assembly off the display assembly. 10. After performing all the above steps, you are left with display assembly. Removing the display assembly...
  • Page 66 Removing the display assembly...

  • Page 67: Chapter 35: Replacing The Display Assembly

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure NOTE: Ensure that the hinges are opened to the maximum before replacing the display assembly on palm rest and keyboard assembly.

  • Page 68: Post-Requisites

    4. Route the display cable through the routing guides on the fan and the palm rest and keyboard assembly. 5. Slide the display cable to the connector on the system board and close the latch to secure the cable. 6. Press down on the latch to connect the optical-drive connector board cable to the optical-drive connector board. 7.

  • Page 69: Chapter 36: Removing The I/O Board

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. Before removing the I/O board along with the coin-cell battery, it is recommended to note the BIOS setup program’s settings.

  • Page 70: Chapter 37: Replacing The I/O Board

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Using the alignment posts, place the I/O board on the palm rest and keyboard assembly.

  • Page 71: Chapter 38: Removing The Power-Button Board

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.
  • Page 72 Removing the power-button board...

  • Page 73: Chapter 39: Replacing The Power-Button Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Place the power-button board on the palm rest and keyboard assembly and align the screw hole on the power-button board with the screw hole on the palm rest and keyboard assembly.

  • Page 74: Post-Requisites

    Post-requisites 1. Replace the fan. 2. Replace the base cover. 3. Replace the optical drive. Replacing the power-button board...

  • Page 75: Chapter 40: Removing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 76 10. Remove the three screws (M2.5x5) that secure the right hinge to the system board. 11. Open the right hinge. 12. Remove the screw (M2x4) that secures the system board to palm rest and keyboard assembly. 13. Lift the system board off the palm rest and keyboard assembly. Removing the system board...
  • Page 77 Removing the system board...

  • Page 78: Chapter 41: Replacing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 79: Post-Requisites

    5. Connect the power-adapter port cable and speaker cable to the system board. 6. Slide the keyboard back-light cable and keyboard cable into their respective connectors on the system board and close the latches. 7. Slide the touchpad cable and hard-drive cable into their respective connectors on the system board and close the latches. 8.

  • Page 80: Entering The Service Tag In The Bios Setup Program

    Entering the Service Tag in the BIOS setup program 1. Turn on or restart your computer. 2. Press F2 when the Dell logo is displayed to enter the BIOS setup program. 3. Navigate to the Main tab and enter the Service Tag in the Service Tag Input field.

  • Page 81: Chapter 42: Removing The Power Button With Fingerprint Reader

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Applicable only for computers that are shipped with fingerprint reader.
  • Page 82 Removing the power button with fingerprint reader...

  • Page 83: Chapter 43: Replacing The Power Button With Fingerprint Reader

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Applicable only for computers that are shipped with fingerprint reader.
  • Page 84 9. Replace the optical drive. Replacing the power button with fingerprint reader...

  • Page 85: Chapter 44: Removing The Palm-Rest And Keyboard Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.
  • Page 86 Removing the palm-rest and keyboard assembly...

  • Page 87: Chapter 45: Replacing The Palm-Rest And Keyboard Assembly

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Place the palm rest and keyboard assembly on a flat surface.
  • Page 88 15. Replace the base cover. 16. Replace the optical drive. Replacing the palm-rest and keyboard assembly...

  • Page 89: Chapter 46: Removing The Display Bezel

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.

  • Page 90: Chapter 47: Replacing The Display Bezel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the display bezel with the display back-cover and antenna assembly, and then gently snap the display bezel into place.

  • Page 91: Chapter 48: Removing The Camera

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.

  • Page 92: Chapter 49: Replacing The Camera

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Connect the camera cable to the camera module. 2. Using the alignment post adhere the camera module on the display back-cover and antenna assembly.

  • Page 93: Chapter 50: Removing The Display Panel

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the base cover.
  • Page 94 Removing the display panel...

  • Page 95: Chapter 51: Replacing The Display Panel

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Place the display panel on a flat and clean surface.

  • Page 96: Post-Requisites

    Post-requisites 1. Replace the display bezel. 2. Replace the display assembly. 3. Replace the wireless card. 4. Replace the base cover. Replacing the display panel...

  • Page 97: Chapter 52: Removing The Display Hinges

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.

  • Page 98: Chapter 53: Replacing The Display Hinges

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Align the screw holes on the display hinges and brackets with the screw holes on the display back-cover and antenna assembly.

  • Page 99: Chapter 54: Removing The Display Cable

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.

  • Page 100: Chapter 55: Replacing The Display Cable

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Route the display cable through the routing guides on the display back-cover and antenna assembly.

  • Page 101: Chapter 56: Removing The Display Back-Cover And Antenna Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive.

  • Page 102: Chapter 57: Replacing The Display Back-Cover And Antenna Assembly

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Place the display back-cover and antenna assembly on a clean and flat surface.

  • Page 103: Chapter 58: Device Drivers

    Device drivers Intel Chipset Software Installation Utility In the Device Manager, check if the chipset driver is installed. Install the Intel chipset updates from www.dell.com/support. Video drivers In the Device Manager, check if the video driver is installed. Install the video driver update from www.dell.com/support.

  • Page 104: Chapter 59: System Setup

    Entering BIOS setup program 1. Turn on (or restart) your computer. 2. During POST, when the DELL logo is displayed, watch for the F2 prompt to appear, and then press F2 immediately. NOTE: The F2 prompt indicates that the keyboard is initialized. This prompt can appear very quickly, so you must watch for it, and then press F2.

  • Page 105: Boot Sequence

    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: ● Access System Setup by pressing F2 key ●...
  • Page 106 Table 3. System setup options—System information menu (continued) General-System Information Minimum Clock Speed Displays the minimum processor clock speed. Maximum Clock Speed Displays the maximum processor clock speed. Processor L2 Cache Displays the processor L2 Cache size. Processor L3 Cache Displays the processor L3 Cache size.
  • Page 107 Table 4. System setup options—System Configuration menu (continued) System Configuration Enable Boot Support Enable or disable booting from USB mass storage devices such as external hard drive, optical drive, and USB drive. Enable External USB Port Enable or disable booting from USB mass storage devices connected to external USB port.
  • Page 108 Table 7. System setup options—Secure Boot menu (continued) Secure Boot Expert Key Management Enable or disable Expert Key Management. Custom Mode Key Management Select the custom values for expert key management. Table 8. System setup options—Intel Software Guard Extensions menu Intel Software Guard Extensions Intel SGX Enable Enable or disable Intel Software Guard Extensions.

  • Page 109: Clearing Cmos Settings

    SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool. SupportAssist OS Recovery Enable or disable the boot flow for SupportAssist OS Recovery tool in the even of certain system errors.

  • Page 110: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 111: Chapter 60: Troubleshooting

    4. Connect the bootable USB drive to the computer that needs the BIOS update. 5. Restart the computer and press F12 when the Dell logo is displayed on the screen. 6. Boot to the USB drive from the One Time Boot Menu.

  • Page 112: Running The Epsa Diagnostics

    Running the ePSA diagnostics 1. Turn on your computer. 2. As the computer boots, press the F12 key as the Dell logo appears. 3. On the boot menu screen, select the Diagnostics option. 4. Click the arrow at the bottom left corner.

  • Page 113: Enabling Intel Optane Memory

    Table 14. LED codes (continued) Diagnostic light codes Problem description Power-rail failure System BIOS Flash incomplete Management Engine (ME) error Camera status light: Indicates whether the camera is in use. ● Solid white — Camera is in use. ● Off — Camera is not in use. Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.

  • Page 114: Flea Power Release

    1. Turn off your computer. 2. Turn off the modem. 3. Turn off the wireless router. 4. Wait for 30 seconds. 5. Turn on the wireless router. 6. Turn on the modem. 7. Turn on your computer. Flea power release Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed.

  • Page 115: Chapter 61: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 15. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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