Replacing The Microprocessor - Lenovo ThinkCentre 1982 Hardware Maintenance Manual

11. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until the two
screw holes in the heat sink fan duct are aligned with those in the heat sink and fan assembly. Install
the two screws to secure the heat sink fan duct.
Figure 82. Installing the heat sink fan duct
12. To complete the installation or replacement, go to "Completing the parts replacement" on page 160.

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://support.lenovo.com
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. Open the computer cover. See "Opening the computer cover" on page 121.
148
ThinkCentre Hardware Maintenance Manual