Dell Precision 7680 Service Manual page 16

NOTE: For models shipped with smart-card reader, pry open the base cover from the smart-card reader slot at the
bottom-right side of the base cover.
3. Lift the base cover starting from the bottom edge and push it towards the rear to remove it from the computer.
NOTE: Do not lift the base cover directly upwards to remove, as it may damage the rear edge of the cover.
4. Disconnect the battery cable from the connector on the system board.
5. Lift to remove the base cover.
NOTE:
● WWAN Thermal Pad on Base Cover: Models that are shipped with WWAN antennas have a WWAN thermal pad on
the base cover. If the thermal pad is detached after removing the base cover, readhere it to the base cover.
16 Removing and installing components