CHAPTER 4: Upgrading Your Computer
6Press the card retention lever down until it clicks into place.
7Replace the PCI riser card by sliding it back into place.
8Replace the back panel by following the instructions in “Replacing the back panel” on page 36.
Replacing the BIOS 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 following the manufacturer’s instructions.
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 F1 key. The main menu of the BIOS Setup utility opens.
3Because changing the BIOS battery will reset the BIOS to factory default settings, write down the values you may have changed from the factory settings, then exit from the utility.
4Remove the back panel by following the instructions in “Opening the case” on page 35.
5Remove the processor fan by following the instructions in “Replacing the processor fan” on page 37.
50