Lenovo ThinkCentre E93, User Manual, Page: 60 / 162

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 40.
3. Locate the battery. See “Locating parts on the system board” on page 12.
4. Remove the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 61.
5. Depending on your computer model, you might need to remove the PCI Express x 16 graphics card for
easier access to the battery. See “Installing or replacing a PCI card” on page 45.
6. Remove the old battery.
Figure 20. Removing the old battery
7. Install a new battery.
Figure 21. Installing a new battery
8. If you had removed the PCI Express x 16 graphics card, reinstall the PCI Express x 16 graphics card.
See “Installing or replacing a PCI card” on page 45.
9. Reinstall the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 61.
10. Reinstall the computer cover and connect the cables. See “Completing the parts replacement” on
page 84.
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.
11. Turn on the computer and all attached devices.
12. Use the Setup Utility program to set the date, time, and any passwords. See Chapter 7 “Using the Setup
Utility program” on page 95.
Replacing the hard disk drive
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 hard disk drive.
To replace the hard disk drive, do the following:
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ThinkCentre E93 User Guide