Replacing The Heat Sink And Fan Assembly - Lenovo ThinkCentre Hardware Maintenance Manual

Figure 49. Removing the old battery
7. Install the new battery.
Figure 50. Installing the new battery
8. Reinstall any parts and reconnect any cables that have been removed or disconnected.
9. Lower the drive bay assembly. See "Accessing the system board components and drives" on page 108.
10. Reinstall the computer cover and reconnect all external cables. See "Completing the parts replacement"
on page 132.
11. Turn on the computer and all attached devices.
Note: When the computer is turned on for the first time after replacing the battery, an error message
might be displayed. This is normal after replacing the battery.
12. Use the Setup Utility program to set the date, time, passwords, and any other configuration information.
See Chapter 6 "Using the Setup Utility program" on page 43.

Replacing the heat sink and fan assembly

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 heat sink and fan assembly.
CAUTION:
The heat sink and fan assembly 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 heat sink and fan assembly, 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 106.
.
Chapter 9 Replacing FRUs (Machine Types: 4163, 5042, 5046, 5052, 5054, 5056, 5058, 5060, 5062, 5064, and 5066.)
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