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5. Remove the microprocessor from the failing system board, and then install it onto the new system
board.
6. 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 screws in the sequence to
secure the new system board.
7. 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 "Removing and installing
hardware" on page 54.
8. Connect all cables to the new system board. See "System board" on page 54.
9. 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.
Microprocessor socket cover installation procedure
1. After you have removed the microprocessor from the failing system board, close the microprocessor
retainer. Then, put the lever 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: The microprocessor socket cover might look slightly different from the illustration.
3. Carefully check the four corners of the socket cover to ensure that the cover is seated securely.
.
Chapter 6
Hardware removal and installation
75
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