Lenovo ThinkCentre E73, Руководство по техническому обслуживанию аппаратной части, Страница: 115 / 190

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 and 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 onto the microprocessor
socket. Carefully press the other side of the socket cover downward until the socket cover snaps
into position.
Note: Your microprocessor socket and cover might look slightly different from the illustration.
Figure 43. Installing the socket cover onto the microprocessor socket
3. Carefully check the four corners of the socket cover to ensure that the cover is seated securely.
4. Follow any additional instructions included with the replacement part you received.
Replacing the front audio and USB assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important safety information”
on page 1.
This section provides instructions on how to replace the front audio and USB assembly.
To replace the front audio and USB assembly, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 82.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 83.
4. Locate the front audio and USB assembly.
5. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on
the system board” on page 72.
Note: Ensure that you note the locations of the cables when you disconnect the cables from the
system board.
Chapter 9
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Replacing FRUs (machine types: 10AS and 10AU)
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