Dell Precision M40 - Manual (Page 22)

Battery and Modular Bay Latch Assemblies
Battery and Modular Bay Latch Assemblies
Removing and Replacing the Battery and Modular Bay Latch Assemblies
1. Follow the instructions in " Preparing to Work Inside the Computer ."
2. Remove the keyboard .
3. Remove the hinge cover .
4. Remove the display assembly .
5. Remove the palmrest assembly .
6. Remove a latch button from the bottom case assembly by squeezing the snap tabs in the center of the latch.
Apply downward pressure to the tabs while squeezing them together (tweezers work well) to eject the latch button from the bottom of the case without
loosening the upper latch assembly (spring and slider). If the upper latch assembly does come loose:
a. Reinsert the spring onto the slider, and reinstall both pieces in the latch housing on the inside of the case.
NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.