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Replacing the system board

To replace the system board:

1Remove the side panel by following the instructions in “Removing the side panel” on page 37.

2Remove all expansion cards by following the directions in “Adding or replacing an expansion card” on page 53.

3Removeallmemorymodulesbyfollowingthedirections in “Installing memory” on page 43.

4Disconnect all the power and data cables from the system board, noting their locations and orientation. (You will reconnect the cables after you install the new board.)

Tip

You can label each cable with tape to make it easier to re-connect them later.

5Remove the four screws that secure the power supply to your computer, then slide it out of your computer.

6Remove the eight system board screws.

Screws

Screws

7Lift the system board up and out of the case.

8Align the new system board on the screw holes in the case, then secure it into the case with the screws.

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