HP EliteBook 840 G1 Service Manual page 75

3.
Insert a screw driver or similar thin tool into the keyboard release hole, and then press on the back
of the keyboard until the keyboard disengages from the computer.
4.
Position the computer right-side up with the front toward you.
5.
Lift the rear edge of the keyboard upward.
NOTE:
The backlight cable is present only on HP EliteBook 850 models.
Component replacement procedures
63