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Removing the System Board
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in your Product Information Guide
1.
Shut down the computer
through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
5. Follow the procedures in
"Before You
6.
Remove the computer
stand, if it is attached.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
7.
Open the computer
cover.
NOTICE:
Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
8. Remove the
power
supply, installed cards, and any components that restrict access to the system board.
9. Disconnect all cables from the system board.
10. Disconnect the modem cable and ground wire from the modem:
a. Disconnect the modem cable from the modem.
b. Use a size #1 screwdriver to remove the screws securing the modem and ground wire to the system board, and set the screws aside.
11. Before you remove the existing system board, visually compare the replacement system board to the existing system board to make sure that you have
the correct part.
12. Remove the system board:
a. Remove the screw from the system board toward the front of the computer.
b. Slide the system board toward the front of the computer to until it stops and then lift the board straight up.
Begin."
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