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Dell Inspiron 3782 Service Manual

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Inspiron 3782
Service Manual
Regulatory Model: P35E
Regulatory Type: P35E006

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  Summary of Contents for Dell Inspiron 3782

  • Page 1 Inspiron 3782 Service Manual Regulatory Model: P35E Regulatory Type: P35E006...
  • 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 1 Before working inside your computer..................... 9 Before you begin ...................................9 2 After working inside your computer....................10 3 Safety instructions........................11 Electrostatic discharge—ESD protection......................... 11 ESD field service kit ................................12 Transporting sensitive components...........................13 4 Recommended tools........................14 5 Screw list...........................15 6 Removing the optical drive......................17 Procedure....................................
  • Page 4 Procedure ....................................30 Post-requisites..................................30 14 Removing the wireless card......................31 Prerequisites..................................31 Procedure....................................31 15 Replacing the wireless card......................33 Procedure..................................... 33 Post-requisites..................................33 16 Removing the optical-drive connector board................34 Prerequisites..................................34 Procedure..................................... 34 17 Replacing the optical-drive connector board................35 Procedure ....................................35 Post-requisites..................................35 18 Removing the coin-cell battery....................36 Prerequisites..................................
  • Page 5 Procedure .................................... 47 Post-requisites..................................48 26 Removing the speakers......................49 Prerequisites..................................49 Procedure..................................... 49 27 Replacing the speakers......................50 Procedure ....................................50 Post-requisites..................................50 28 Removing the heat sink......................51 Prerequisites..................................51 Procedure....................................51 29 Replacing the heat sink......................52 Procedure ....................................52 Post-requisites..................................52 30 Removing the power-adapter port..................... 53 Removing the display assembly............................
  • Page 6 Prerequisites..................................67 Procedure..................................... 67 37 Replacing the power-button board..................... 69 Procedure ....................................69 Post-requisites..................................70 38 Removing the system board....................... 71 Prerequisites..................................71 39 Replacing the system board.......................72 Procedure..................................... 72 Post-requisites..................................73 Entering the Service Tag in the BIOS setup program....................74 40 Removing the power button with fingerprint reader..............
  • Page 7 Prerequisites..................................83 Procedure..................................... 83 49 Replacing the display panel....................... 85 Procedure ....................................85 Post-requisites..................................86 50 Removing the display hinges..................... 87 Prerequisites..................................87 Procedure..................................... 87 51 Replacing the display hinges...................... 88 Procedure ....................................88 Post-requisites..................................88 52 Removing the display cable....................... 89 Prerequisites..................................89 Procedure..................................... 89 53 Replacing the display cable.......................
  • Page 8 Flashing the BIOS................................96 Flashing BIOS (USB key)..............................96 Enhanced Pre-Boot System Assessment (ePSA) diagnostics..................96 Running the ePSA diagnostics............................. 97 System diagnostic lights..............................97 WiFi power cycle................................. 98 Flea power release................................98 59 Getting help and contacting Dell....................99 Contents...
  • Page 9: 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: 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: Safety Instructions

    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: 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: 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 Component Secured to Screw type Quantity Screw image Power-button board Palm-rest and keyboard M2x3 assembly Power button with Palm-rest and keyboard M2x2 fingerprint reader assembly (optional) Solid-state drive/Intel Palm-rest and keyboard M2x2.2 Optane assembly System board Palm-rest and keyboard M2x4 assembly Touchpad Palm-rest and keyboard...
  • Page 17: Removing 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. Remove the screw (M2x2) that secures the optical-drive assembly to the base cover. 2. Using a screwdriver, push the optical drive through the slot to release the optical-drive assembly out of the optical-drive bay.
  • Page 18 Removing the optical drive...
  • Page 19: Replacing The Optical Drive

    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: 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. Procedure 1.
  • 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: 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. CAUTION: To avoid accidental damage to the power-adapter port, do not press the base cover against the power- adapter port when you snap the base cover to the computer base.
  • 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: 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: 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: 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. 2. Remove the base cover.
  • Page 30: Replacing The Memory Modules

    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. 2. Slide the memory module firmly into the slot at an angle.
  • Page 31: 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. 2. Remove the base cover.
  • Page 32 Removing the wireless card...
  • Page 33: 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: 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. 2. Remove the base cover.
  • Page 35: 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: Removing The Coin-Cell Battery

    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: Replacing The Coin-Cell Battery

    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. 2. If available, adhere the tape that secures the coin-cell battery to the I/O board.
  • Page 38: Removing The Solid-State 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: Solid-state drives are fragile. Exercise care when handling the solid-state drive. CAUTION: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.
  • Page 39 Removing the solid-state drive...
  • Page 40: Replacing The Solid-State 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: Solid-state drives are fragile. Exercise care when handling the solid-state drive. Procedure 1.
  • Page 41: 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. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.
  • Page 42 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 43: 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. Procedure 1.
  • Page 44: Post-Requisites

    Post-requisites 1. Replace the battery. 2. Replace the base cover. 3. Replace the optical drive. Replacing the hard drive...
  • Page 45: 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. 2. Remove the base cover.
  • Page 46 Removing the touchpad...
  • Page 47: 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 48: Post-Requisites

    Post-requisites 1. Replace the battery. 2. Replace the base cover. 3. Replace the optical drive. Replacing the touchpad...
  • Page 49: 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. 2. Remove the base cover.
  • Page 50: 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 51: 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 52: 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. NOTE: If either the system board or the heat sink is replaced, use the thermal pad/paste provided in the kit to ensure that thermal conductivity is achieved.
  • Page 53: 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...
  • Page 54 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 55: 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 56 Removing the power-adapter port...
  • Page 57: 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. 2. Replace the screw (M2x2) that secures the power-adapter port to the palm rest and keyboard assembly.
  • Page 58 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. 4.
  • Page 59: 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 60: 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. 2. Remove the base cover.
  • Page 61 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 62 Removing the display assembly...
  • Page 63: 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 64: Post-Requisites

    4. Route the display cable through the routing guides on the heat sink 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 65: 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 66: Replacing The I/O 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. Using the alignment posts, place the I/O board on the palm rest and keyboard assembly. 2. Replace the screw (M2x4) that secures the I/O board to the palm rest and keyboard assembly.
  • Page 67: 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. 2. Remove the base cover.
  • Page 68 Removing the power-button board...
  • Page 69: Replacing The Power-Button Board

    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 70: Post-Requisites

    Post-requisites 1. Replace the base cover. 2. Replace the optical drive. Replacing the power-button board...
  • Page 71: 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 72: 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 73: Post-Requisites

    14. Close the right hinge. 15. Replace the three screws (M2.5x5) that secure the right hinge to the system board. 16. Slide the optical-drive connector board cable into the connector on the system board and close the latch. 17. Slide the optical-drive connector board cable into the connector on the optical-drive connector board and close the latch. Post-requisites 1.
  • Page 74: 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 75: 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. Prerequisites 1.
  • Page 76: 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. Procedure 1.
  • Page 77: 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. 2. Remove the base cover.
  • Page 78: 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. Post-requisites 1.
  • Page 79: 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. 2. Remove the base cover.
  • Page 80: 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. Post-requisites 1.
  • Page 81: 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. 2. Remove the base cover.
  • Page 82: Replacing The Camera

    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 83: 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 optical drive (optional). 2. Remove the base cover.
  • Page 84 Removing the display panel...
  • Page 85: Replacing The Display Panel

    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. 2. Connect the display cable to the connector at the back of the display panel and close the latch to secure the cable.
  • Page 86: Post-Requisites

    Post-requisites 1. Replace the display bezel. 2. Replace the display assembly. 3. Replace the wireless card. 4. Replace the base cover. 5. Replace the optical drive (optional). Replacing the display panel...
  • Page 87: 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. 2. Remove the base cover.
  • Page 88: Replacing The Display Hinges

    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 89: 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. 2. Remove the base cover.
  • Page 90: Replacing The Display Cable

    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. 2. Slide the camera cable into the connector on the camera module to secure the cable.
  • Page 91: 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. 2. Remove the base cover.
  • Page 92: 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. Post-requisites 1.
  • Page 93: 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 94: 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 95: Clearing Cmos Settings

    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 96: 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 97: 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 98: Wifi Power Cycle

    • Off — Camera is not in use. Caps Lock status light: Indicates whether Caps Lock is enabled or disabled. • Solid white — Caps Lock enabled. • Off — Caps Lock disabled. WiFi power cycle If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a WiFi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.
  • Page 99: 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 4. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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