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Upgrading 53
1. Observe the safety and ESD precautions at the beginning of this chapter.
2. Open the chassis.
3. Insert the tip of a small flat-blade screwdriver, or equivalent, under the tab in the plastic
retainer. Gently push down on the screwdriver to lift the battery.
4. Remove the battery from its socket.
5. Dispose of the battery according to local ordinance.
6. Remove the new lithium battery from its package, and, being careful to observe the correct
polarity, insert it in the battery socket.
7. Close the chassis.
8. Run BIOS Setup to restore the configuration settings to the RTC.
OM14372
Figure 36. Replacing the Back up Battery