This article provides information on "How to remove the battery, phone SIM, keyboard screw cover, keyboard and access panel on the Dell Latitude E6510"
Note: During installation or removal of any hardware, always ensure all data is backed up properly, disconnect any telephone, network or USB cables from the computer and disconnect the computer and any attached devices from their electrical outlets.
1. Removing the battery
Slide both battery latches toward the center of the system.
Remove the two screws securing the keyboard to the system.
Using the plastic tab, lift the back edge of the keyboard slightly(about 15 degree gap from the base) to release the keyboard snaps on the left and right side, and then slide the keyboard toward the back of the system and remove.