Dell Precision T7400 User's Guide - Page 171

4 Locate the battery socket. NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with the object. Ensure that the object is inserted between the battery and the socket before you attempt to pry out the battery. Otherwise, you may damage the system board by prying off the socket or by breaking circuit traces on the system board. NOTICE: To avoid damage to the battery connector, you must firmly support the connector while removing the battery. 5 Support the battery connector by pressing down firmly on the positive side of the connector. 6 While supporting the battery connector, press the battery tab away from the positive side of the connector and pry the battery up out of the securing tabs at the negative side of the connector. 1 2 4 3 1 system battery 3 positive side of battery connector 2 battery socket tab 4 battery socket 7 Properly dispose of the old battery. For more information, see your Product Information Guide. Replacing the Battery 1 Follow the procedures in "Before You Begin" on page 139. Adding and Replacing Parts 171