Lenovo 10BN, Руководство по техническому обслуживанию аппаратной части

Страница: 104 / 204

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:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Opening the computer cover” on page 136.
3. Locate the battery. See “Locating parts on the system board” on page 71.
4. Remove the old battery.
Figure 35. Removing the old battery
5. Install a new battery.
Figure 36. Installing a new battery
6. Reinstall the computer cover and connect the cables. See “Completing the parts replacement” on
page 132.
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 6 “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 132.
Replacing the power supply assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important safety information”
on page 1.
This section provides instructions on how to replace the power supply assembly.
98
ThinkCentre M78 Hardware Maintenance Manual