Removing and Installing Parts 1517 Replace the computer cover (see "Replacing the Computer Cover" onpage 166).NOTICE: To connect a network cable, first plug the cable into the network deviceand then plug it into the computer.8 Connect your computer and devices to electrical outlets, and then turnthem on.9 Enter system setup (see "System Setup" on page 174) and restore thesettings you recorded in Step 1. Then go to the Maintenance section andclear the low battery and other errors associated with the batteryreplacement in the Event Log.10 Properly dispose of the old battery.See the Product Information Guide for battery disposal information.Power SupplyCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions located 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.1 battery release lever 2 battery (positive side)21