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8. Install the new system board into the chassis by aligning the nine screw holes in the new system board
with the corresponding mounting studs on the chassis. Then, install the nine screws in the sequence as
shown to secure the new system board.
Figure 147. Installing the nine screws to secure the system board
9. Reinstall all parts that you have removed one by one in the reversed sequence as you remove them.
Refer to the information that you have noted down and the related topics in Chapter 9 "Hardware
removal and installation" on page 95.
10. Connect all the cables that you have disconnected to the new system board. See "Parts on the system
board" on page 38.
11. Connect the external cables and the power cord to the computer.
The failing system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling.
To install the microprocessor socket cover, do the following:
1. After you have removed the microprocessor from the failing system board, close the microprocessor
retainer. Then, put the small handle to the locked position to secure the retainer in place.
2. Note the orientation of the socket cover, and install one side of the socket cover into the microprocessor
socket. Carefully press the other side of the socket cover downward until the socket cover snaps into
position.
Note: Your microprocessor socket cover might look slightly different from the illustration.
.
Chapter 9
Hardware removal and installation
173
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