Replacing The Heat Sink And Fan Assembly - Lenovo 10HJ User Manual

5. Install a new battery.
Figure 22. Installing a new battery
6. Reinstall the computer cover and connect the cables. See "Completing the parts replacement" on
page 73.
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.
7. Turn on the computer and all attached devices.
8. Use the Setup Utility program to set the date, time, and any passwords. See Chapter 7 "Using the Setup
Utility program" on page 83.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 73.

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"
on page v.
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. Before you open the computer cover, turn off the
computer and wait several minutes until the computer is cool.
To replace the heat sink and fan 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 40.
3. Lay the computer on its side for easier access to the system board.
4. Locate the heat sink and fan assembly. See "Locating parts on the system board" on page 12.
5. Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system
board. See "Locating parts on the system board" on page 12.
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ThinkCentre M73 User Guide