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System Board
Removing the System Board
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.
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. Remove the computer stand, if it is attached.
6. Open the computer cover.
7. Remove any components that restrict access to the system board.
8. Disconnect all cables from the system board.
9. Before you remove the existing system board assembly, visually compare the replacement system board to the existing system board to make sure
that you have the correct part.
10. Pull up on the tab and slide the system board assembly toward the front of the computer, and then lift the assembly up and away.
11. Place the system board assembly that you just removed next to the replacement system board.
Replacing the System Board
1. Transfer components from the existing system board to the replacement system board:
a. Remove the memory modules and install them on the replacement board.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information
Guide.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the 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.
NOTICE: The system board and metal tray are connected and are removed as one piece.