Replacing The Hard Disk Drive - Lenovo ThinkCentre M73 10B0 Hardware Maintenance Manual

5. Remove the old battery.
Figure 79. Removing the battery
6. Install a new battery.
Figure 80. Installing the battery
7. Reinstall the PCI Express x16 graphics card if you had removed it. See "Installing or replacing a PCI
Express card" on page 139.
8. Reinstall the heat sink fan duct. See "Replacing the heat sink and fan assembly" on page 157.
9. Reinstall the computer cover and reconnect the cables. See "Completing the parts replacement" on
page 183.
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.
10. Turn on the computer and all attached devices.
11. Use the Setup Utility program to set the date, time, and any passwords. See Chapter 6 "Using the Setup
Utility program" on page 57.

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 1.
This section provides instructions on how to replace the hard disk drive.
To replace the hard disk drive, 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 136.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 136
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ThinkCentre M73 Hardware Maintenance Manual