Lenovo ThinkCentre E93z, Hardware Maintenance Manual, Page: 110 / 142

8. Position the new GPU fan so that the screw holes in the new GPU fan are aligned with the corresponding
mounting studs on the system board. Reinstall the two screws to secure the GPU fan.
Figure 45. Installing the GPU fan
9. Connect the cable of the new GPU fan to the system board. See “Locating parts on the system board”
on page 73.
10. Reinstall the system board shield. See “Removing and reinstalling the system board shield” on page 86.
Replacing the battery
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page 1.
This section provides instructions on how to replace the battery.
Your computer has a special type of memory that maintains the date, time, and settings for built-in features,
such as parallel-port assignments (configuration). A battery keeps this information active when you turn
off the computer.
The battery normally requires no charging or maintenance throughout its life; however, no battery lasts
forever. If the battery fails, the date, time, and configuration information (including passwords) are lost. An
error message is displayed when you turn on the computer.
Refer to the “Lithium coin cell battery notice” in the Safety, Warranty, and Setup Guide for information about
replacing and disposing of the battery.
To replace the battery, do the following:
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ThinkCentre E93z Hardware Maintenance Manual