Replacing The Power Supply Assembly - Lenovo 10A4 Hardware Maintenance Manual

3. Locate the battery. See "Locating parts on the system board" on page 73.
4. Remove the old battery.
Figure 45. Removing the old battery
5. Install a new battery.
Figure 46. Installing a new battery
6. Reinstall the computer cover and connect the cables. See "Completing the parts replacement" on page
150.
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 5 "Using the Setup
Utility program" on page 55.
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 150.

Replacing the power supply assembly

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
This section provides instructions on how to replace the power supply assembly.
Although there are no moving parts in your computer after the power cord has been disconnected, the
following warnings are required for your safety and proper Underwriters Laboratories (UL) certification.
CAUTION:
Chapter 8
.
Replacing FRUs (machine types: 10A0, 10A1, 10A6, 10A7, 10AG, 10AK, 10AL, and 10BE)
109