Precision 7680 Service Manual

Removing the base cover

1. Loosen the six captive screws that secure the base cover to the computer.
2. For computers shipped without a smart-card reader, pry open the base cover starting from the bottom-right corner of the base cover.
   
   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.

     

   • Solid-state drive door: For models shipped with an SSD door, use the latch on the base cover to lock/unlock the door.

     

     The door is unlocked by default. Push the latch downward to lock the door.

     

     When the door is locked, push the latch upward to unlock the door.

     

   NOTE:The images that are shown above are of Precision 7780. The same information applies to Precision 7680.
6. After removing the base cover, if any of the thermal pads for the M.2 SSDs are detached, readhere them to their correct locations on the system.

   Models shipped with an 83 Wh battery:

   

   Models shipped with a 93 Wh battery: