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System Board

Dell™ Inspiron™ 910 Service Manual

  Removing the System Board

  Replacing the System Board

  Setting the Keyboard Matrix

CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

The system board's BIOS chip contains the service tag, which is also visible on a barcode label at the bottom of the computer.

Follow these instructions to enter the service tag -

Manually:

1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.
   
   
2. Press <0> during POST to enter the system setup program.
   
   
3. Navigate to the security tab and enter the service tag in the Set Service Tag field.
   
   

Using CD:

The replacement kit for the system board includes a CD that provides a utility for transferring the service tag to the replacement system board.

NOTE: Your computer may or may not ship with an external optical drive. Use an external optical drive or any external storage device for the procedures that involve discs.

NOTICE: Handle components and cards by their edges, and avoid touching pins and contacts.

Removing the System Board

1. Follow the instructions in Before You Begin.
   
   
2. Remove the module cover (see Removing the Module Cover).
   
   
3. Remove the memory module (see Removing the Memory Module).
   
   
4. Remove the solid-state drive (see Removing the Solid-state Drive).
   
   
5. Remove the keyboard (see Removing the Keyboard).
   
   
6. Remove the palm rest (see Removing the Palm Rest).
   
   
7. Disconnect the display cables, Mini-Card antenna cables, and the speaker cable from the respective system board connectors (see Display Assembly).
   
   

1	screw (2)	2	system board
3	microphone cable connector	4	AC adapter cable connector

8. Disconnect the microphone cable and AC adapter cable from the respective system board connectors.
   
   
9. Remove the two screws that secure the system board to the computer base.
   
   
10. Lift the system board at an angle towards the side of the computer and out of the computer base.
    
    

Replacing the System Board

NOTE: The thermal pads may stick to the bottom of the palm rest. Remove the thermal pads from the bottom of the palm rest.

1. Remove the centrifugal paper of the thermal pads that shipped with your new system board and paste it on the processor, North Bridge, and South Bridge.
   
   

1	thermal pad (3)	2	south bridge
3	north bridge	4	processor

2. Follow all of the steps in Removing the System Board in reverse order.
   
   

NOTICE: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

3. Turn on the computer.
   
   

NOTE: After you have replaced the system board, enter the computer Service Tag into the BIOS of the replacement system board.

4. Insert the CD that accompanied the replacement system board into the appropriate drive. Follow the instructions that appear on the screen.
   
   
5. The keyboard matrix may change after you replace the system board. To set the keyboard matrix according to your country, see Setting the Keyboard Matrix.
   
   

Setting the Keyboard Matrix

1. Turn off your computer (see Turning Off Your Computer).
   
   
2. If your computer is connected to the AC adapter, disconnect the AC adapter from the computer.
   
   
3. Press and hold the following key combination for the desired keyboard matrix:-
   
   
   • United States: <Fn><S>
     
     
   • United Kingdom: <Fn><K>
     
     
   • Japan: <Fn><J>
     
     
   • Korea: <Fn><E>
     
     
4. Connect the AC adapter to the computer and then plug it into a wall outlet or surge protector.
   
   
5. Release the key combination.
   
   

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