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23. Remove the three M2.5 x 5-mm screws from the system board.
24. Remove the system board, slowly easing the connectors out of their access holes on the back and side of the computer base:
a. With the back of the computer facing you, grasp the upper-right corner of the system board and lift it slightly.
b. Pull the system board assembly away from you toward the front of the computer and slightly to the right; at the same time, use your left hand to
release the audio connectors by pulling the side of the computer base slightly to the left.
Replacing the System Board
1. Perform all of the steps in "Removing the System Board" in reverse order.
2. Turn on the computer.
3. Insert the flash BIOS update program CD that accompanied the replacement system board into the optical drive. Follow the instructions that appear on
the screen. See "Flashing the BIOS" for further information.
4. Enter the system setup program to update the BIOS on the new system board with the computer Service Tag.
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1
system board M2.5 x 5-mm
screws (3)
1
system board
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.
NOTE: If you use a BIOS update program CD to flash the BIOS, press <F12> before inserting the CD so that you can set up the computer to boot from a
CD this one time only. Otherwise, you must enter the system setup program to change the default boot order.