Removing and Replacing Parts 4-235. Remove the microprocessor retention bracket by pressing outward onthe clips holding it to the system board until the microprocessor reten-tion bracket can be removed (see Figures 4-23 and 4-24).6. Repeat steps 4 and 5 to remove the second microprocessor retentionbracket.System BatteryFigure 4-25. System Battery RemovalTo remove the system battery, follow these steps:1. If possible, enter the System Setup program, and make a printed copyof the System Setup screens (see Appendix A).2. Lay the computer on its right side.3. Remove any expansion cards installed in the PCI expansion-card slots.Be sure to record the location of any cables attached to the PCI cards beingremoved.4. Remove the battery.Carefully pry the battery out of its socket with your fingers or with a blunt,nonconducting object, such as a plastic screwdriver.To replace the system battery, orient the new battery with the “+” facing up.Insert the battery into its socket and snap it into place. Compare the system con-figuration information with the copy of the system configuration settings you madein step 1. Restore any system configuration information lost while replacing the battery.WARNING: There is a danger of the new battery exploding if incor-rectly installed. Replace the battery only with the same or equivalenttype recommended by the manufacturer. Discard used batteries accord-ing to the manufacturer’s instructions.BATTERY socketbattery