Steps
1. Remove the screw (#6-32) that secures the front I/O bracket to the chassis.
2. Lift and remove the front I/O bracket off the chassis.
3. Disconnect the following cables from the system board.
● hard-drive and optical-drive power cable
● optical-drive data cable
● hard-drive data cable
● system-board power cable
● power-button cable
● processor-power cable
4. Remove the seven screws (#6-32) and the screw (#6-32x3.8) that secure the system board to the chassis.
5. Lift the system board at an angle and remove it from the chassis.
Installing the system board
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
NOTE:
The Service Tag information of your computer 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 that you have made to the BIOS using the BIOS setup program.
You must make the appropriate changes again after you replace the system board.
NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can
reconnect the cables correctly after you replace the system board.
The following image indicates the location of the connectors and slots of the system board.
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Removing and installing components
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