CHAPTER 5: Upgrading Your Computer
Replacing the system battery
Warning
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to local hazardous materials regulations.
If the computer clock does not keep time or the settings in the BIOS Setup utility are not saved when you turn off your computer, replace the system battery. Use a battery of the same size and voltage as the original battery that was in your computer.
To replace the battery:
1Restart your computer.
2During the restart, press and hold the F2 key. The main menu of the BIOS Setup utility opens.
3Write down all the values in the menus and submenus, then exit from the utility.
4Shut down your computer.
5Remove the side panel by following the instructions in “Removing the side panel” on page 47.
6For more stability, place your computer on its side. To avoid scratching the case, place it on a towel or other
7Locate the old battery on the system board and note its orientation. You will need to install the new battery the same way.
Important
Your computer’s battery location may vary from the illustration
below.
Battery
72