66 Appendixw w w . d e l l . c o m | s u p p o r t . d e l l . c o m 4 Press at the Maintenance screen and then click Yes to clearall passwords.5 Press to save your changes and exit the system setup program.Replacing the BatteryA coin-cell battery maintains computer configuration, date, and timeinformation. The battery can last several years.If you have to repeatedly reset time and date information after turning onthe computer, replace the battery.CAUTION: A new battery can explode if it is incorrectly installed.Replace the 3-V CR2032 battery only with the same or equivalenttype recommended by the manufacturer. Discard used batteriesaccording to the manufacturer’s instructions.1 Record all the screens in the system setup program so that you canrestore the correct settings in step 6.2 Remove the computer cover (see page 40).NOTICE: To avoid damage to the system board while you pry the batteryloose, be sure to insert the plastic screwdriver between the battery and thesocket (not the system board).3 Locate the battery socket (see page 43) and pry the battery out of itssocket with your fingers or with a plastic screwdriver.4 Insert the battery into the socket with the side labeled “+” facing up.5 Replace the computer cover (see page 57) and plug your computer anddevices into their electrical outlets.battery socket(BATTERY)battery