Removing and Installing Parts 143BatteryReplacing the BatteryCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.NOTICE: To prevent static damage to components inside your computer, dischargestatic electricity from your body before you touch any of your computer’s electroniccomponents. You can do so by touching an unpainted metal surface on thecomputer chassis.A coin-cell battery maintains computer configuration, date, and timeinformation. The battery can last several years. If you have to repeatedly resettime and date information after turning on the computer, replace the battery.CAUTION: A new battery can explode if it is incorrectly installed. Replace thebattery only with the same or equivalent type recommended by the manufacturer.Discard used batteries according to the manufacturer’s instructions.To replace the battery:1 Record all the screens in system setup (see "System Setup" on page 170) sothat you can restore the correct settings in Step 11.2 Follow the procedures in "Before You Begin" on page 99.3 Remove the computer cover (see "Removing the Computer Cover" onpage 101).4 Remove the support bracket (see "Removing the Support Bracket" onpage 102).5 Locate the battery socket (see "System Board Components" on page 105).6 Carefully press the battery release lever away from the battery and thebattery will pop out.7 Insert the new battery into the socket with the side labeled "+" facing up,then snap the battery into place.
