Replacing The Microprocessor - Lenovo ThinkCentre M75e 4162 User Manual

Lenovo thinkcentre m75e 4162: user guide
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10. Connect the new heat sink and fan assembly cable to the microprocessor fan connector on the system
board. See "Locating parts on the system board" on page 9.
11. Reconnect any cables that have been removed.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 37.

Replacing the microprocessor

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the microprocessor.
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait
three to five minutes to let the computer cool before removing the computer cover.
To replace the microprocessor, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 14.
3. Remove the heat sink and fan assembly. See "Replacing the heat sink and fan assembly" on page 24.
Note: Place the heat sink and fan assembly on its side so that the thermal grease on the bottom of it
does not get in contact with anything.
4. Lift the small handle
26
ThinkCentre User Guide
1
to release the microprocessor
2
secured on the system board.

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