58 Replacing Partsw w w . d e l l . c o m | s u p p o r t . d e l l . c o mInstalling a Battery1 Ensure that the battery lock is in the unlocked position.2 Slide the battery into the battery bay until the latch clicks.3 Lock the battery.Replacing a Daughter Card Modem1 Make sure that the work surface is flat and clean to prevent scratchingthe computer cover.2 Save and close any open files, exit any open programs, and shut downthe computer (see page 20).3 Disconnect the computer from the electrical outlet.4 Wait 10 to 20 seconds and then disconnect any attached devices.5 Remove any installed PC Cards, battery, and devices.6 To ground yourself, periodically touch an unpainted metal surface onthe back of the computer while you work.7 Handle components and cards by their edges, and avoid touching pinsand contacts.1 2 3