Figure 4-5. Replacing the Real-Time Clock Battery
1.Power off the system and ensure it is disconnected from the AC power source.
2.Open the front door.
3.Remove the left side panel as described earlier in this chapter.
4.If present, remove the protective plastic cover located over the top of the lithium battery.
5.Insert the tip of a small
6.Gently push down on the screwdriver to lift the battery (Figure
7.Remove the battery from its socket (Figure
8.Dispose of the battery according to local ordinance.
9.Remove the new lithium battery from its package, and, being careful to observe the correct polarity, insert it in the battery socket.
10.If applicable, reinstall the plastic cover on the lithium battery socket.
11.Replace the side panel, plug in the system power cord, and turn on the system.
12.Run the BIOS Setup to restore the configuration settings to the