Dell P113G Service Manual
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Dell P113G Service Manual

Dell P113G Service Manual

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Inspiron 7391 2n1
Service Manual
Regulatory Model: P113G
Regulatory Type: P113G001

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Summary of Contents for Dell P113G

  • Page 1 Inspiron 7391 2n1 Service Manual Regulatory Model: P113G Regulatory Type: P113G001...
  • 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 Working inside your computer....................... 5 Safety instructions................................5 Before working inside your computer..........................5 Before you begin ................................5 Electrostatic discharge—ESD protection.......................... 6 ESD field service kit ................................6 Transporting sensitive components............................ 7 After working inside your computer............................ 7 2 Removing and installing components..................... 8 Recommended tools................................8 Screw list....................................
  • Page 4 System and admin password.............................. 61 Assigning a system setup password........................... 62 Deleting or changing an existing system/admin password..................62 Clearing CMOS settings............................... 62 Clearing BIOS (System Setup) and System passwords...................62 5 Troubleshooting......................... 63 Enhanced Pre-Boot System Assessment (ePSA) diagnostics..................63 Running the ePSA diagnostics.............................63 System diagnostic lights..............................

  • Page 5: Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 6: Electrostatic Discharge-Esd Protection

    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 7: 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.

  • Page 8: Removing And Installing Components

    Removing and installing components Recommended tools The procedures in this document may require the following tools: • Philips screwdriver #1 • Flat-head screwdriver • Plastic scribe 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.

  • Page 9: Disassembly And Reassembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Loosen the two captive screws that secure the base cover to the palm-rest assembly. 2. Remove the six screws (M2x4) that secure the base cover to the palm-rest assembly.
  • Page 10 Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Removing and installing components...
  • Page 11 Procedure 1. Connect the battery cable to the system board, if applicable. 2. Align the tabs on the base cover with the slots on the palm-rest assembly and snap the base cover to the palm-rest assembly. 3. Tighten the two captive screws that secure the base cover to the palm-rest assembly. 4.

  • Page 12: 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 13 Prerequisites Remove the base cover. Procedure 1. Disconnect the battery cable from the system board (applicable only if not disconnected earlier). 2. Remove the screw (M1.6x4) that secures the battery to the palm-rest assembly. 3. Remove the four screws (M2x2) that secure the battery to the palm-rest assembly. 4.
  • Page 14 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 battery on the palm-rest assembly. 2. Replace the four screws (M2x2) that secure the battery to the palm-rest assembly.

  • Page 15: 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 Remove the base cover. Procedure 1.
  • Page 16 Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Removing and installing components...
  • Page 17 Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it. 1. Lift he flap on the wireless card slot. 2. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card that is supported by your computer. Table 2.

  • Page 18: Power-Adapter Port

    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 base cover. Procedure 1.
  • Page 19 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-adapter port into the slot on the palm-rest assembly. 2. Replace the screw (M2x3) that secures the power-adapter port to the palm-rest assembly.

  • Page 20: I/O 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 Remove the base cover. Procedure 1.
  • Page 21 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Slide the I/O board into the slots on the palm-rest assembly. 2. Slide the I/O-board cable into the connector on the I/O board and close the latch to secure the cable.

  • Page 22: 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 Remove the base cover. Procedure 1.
  • Page 23 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 fan on the palm-rest assembly. 2. Replace the two screws (M2x3) that secure the fan to the palm-rest assembly.

  • Page 24: 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 25 Procedure to remove M.2 2280 solid-state drive 1. Locate the solid-state drive/Intel Optane storage module on your computer. Removing and installing components...
  • Page 26 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 to replace M.2 2230 solid-state drive 1.

  • Page 27: 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 28 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. Adhere the coin-cell battery to the palm-rest assembly. 2. Connect the coin-cell battery cable to the system board.

  • Page 29: 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 base cover. 2. Remove the battery.
  • Page 30 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Slide the touchpad into the slot on the palm-rest assembly. 2. Replace the two screws (M1.6x2) that secure the touchpad to the palm-rest assembly.

  • Page 31: 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 base cover. 2. Remove the battery.
  • Page 32 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 on the palm-rest assembly, place the speakers on the palm-rest assembly. 2. Route the speaker cable through the routing guides on the palm-rest assembly.

  • Page 33: 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 34 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 35: 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 base cover. 2. Remove the fan.
  • Page 36 8. Turn the computer over and open the display as far as possible. CAUTION: Place the computer on a soft and clean surface to avoid scratching the display. 9. Turn the computer over and remove the five screws (M2.5x3.5) that secure the display hinges to the I/O board and system board. 10.
  • Page 37 For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure CAUTION: Place the computer on a soft and clean surface to avoid scratching the display. 1. Place the display assembly on the palm-rest assembly. Align the screw holes on the display hinges with the screw holes on the I/O board and system board.

  • Page 38: 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 39 6. Remove the heat sink. Procedure 1. Remove the three screws (M2x3.5) that secure the left display hinge to the system board. 2. Lift the left display hinge from the system board. 3. Peel the tape that secures the display cable to the system board. 4.
  • Page 40 Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Removing and installing components...
  • Page 41 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. NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board.
  • Page 42 18. Close the left display hinge. 19. Replace the three screws (M2x3.5) that secure the left display hinge to the system board. Post-requisites 1. Replace the heat sink. 2. Replace the fan. 3. Replace the wireless card. 4. Replace the solid-state drive.

  • Page 43: Keyboard

    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 44 4. Remove the 29 screws (M1.2x1.8) that secures the keyboard bracket to the keyboard. NOTE: Lift the plastic sheet on the keyboard bracket to access the screws. 5. Lift the keyboard bracket off the keyboard. 6. Remove the 4 screws (M1.2x1.8) that secure the keyboard to the palm-rest assembly. 7.
  • Page 45 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 keyboard with the screw holes on the palm-rest assembly. 2. Replace the 4 screws (M1.2x1.8) that secure the keyboard to palm-rest assembly.
  • Page 46 3. Align the screws holes on the keyboard bracket with the screw holes on the keyboard. 4. Replace the 29 screws (M1.2x1.8) that secure the keyboard bracket to keyboard. 5. Replace the plastic sheet on the keyboard bracket. 6. Adhere the tapes that secure the antenna cables to the keyboard bracket. 7.

  • Page 47: 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 48 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 49: Palm-Rest 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 base cover. 2. Remove the battery.
  • Page 50 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 on a flat surface. Post-requisites 1. Replace the power button with fingerprint reader.
  • Page 51 8. Replace the solid-state drive. 9. Replace the board. 10. Replace the power-adapter port. 11. Replace the wireless card. 12. Replace the fan. 13. Replace the battery. 14. Replace the base cover. Procedure Place the palm rest on a flat surface. Removing and installing components...

  • Page 52: 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 53: System Setup

    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: System setup...

  • Page 54: System Setup Options

    • Access System Setup by pressing F2 key • Bring up the one-time boot menu by pressing F12 key The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are: •...
  • Page 55 Overview Microcode Version Displays the microcode version. Intel Hyper-Threading Capable Displays whether the processor is Hyper-Threading (HT) capable. 64-Bit Technology Displays whether 64-bit technology is used. Memory Information Memory Installed Displays the total computer memory installed. Memory Available Displays the total computer memory available. Memory Speed Displays the memory speed.
  • Page 56 System Configuration Time Sets the computer time in HH/MM/SS 24-hour format. You can switch between 12- hour and 24-hour clock. Changes to the time take effect immediately. Enable SMART Reporting Enables or disables SMART (Self-Monitoring, Analysis, and Reporting Technology) during computer startup to report hard drive errors. Default: OFF.
  • Page 57 Video Brightness on battery power Sets the screen brightness when the computer is running on battery power. Brightness on AC power Sets the screen brightness when the computer is running on AC power. EcoPower Enables or disables EcoPower which increases the battery life by reducing the screen brightness when appropriate.
  • Page 58 Security Password Configuration Control the minimum and maximum number of characters that are allowed for Admin and System passwords. Admin Password Sets, Changes, or deletes the administrator (admin) password (sometimes called the "setup" password). System Password Sets, Changes, or deletes the system password. Enable Master Password Lockout Enables or disables the master password support.
  • Page 59 Table 11. System setup options—Power Management menu Power Management Wake on AC Enables the computer to turn on and go to boot when AC power is supplied to the computer. Default: OFF. Auto on Time Enables the computer to automatically power on for defined days and times. Default: Disabled.
  • Page 60 Table 13. System setup options—POST Behavior menu POST Behavior Numlock Enable Enables or disables Numlock when the computer boots. Default: ON. Enable Adapter Warnings Enables the computer to display adapter warning messages during boot. Default: ON. Extend BIOS POST Time Configures the BIOS POST (Power-On Self-Test) load time.

  • Page 61: System And Admin Password

    Dell Auto operating system Recovery Controls the automatic boot flow for SupportAssist System Resolution Console and Threshold for Dell operating system Recovery tool. Default: 2. SupportAssist operating system Recovery Enables or disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors.

  • Page 62: Assigning A System Setup Password

    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 63: Troubleshooting

    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 64: Recovering The Operating System

    You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.

  • Page 65: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash the BIOS: 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Click Product support, enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.

  • Page 66: Flea Power Release

    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.

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