HP 640 ProBook G3 Series Maintenance And Service Manual page 57

3. Gently insert a Torx screwdriver or other blunt tool into the keyboard release opening under the memory
module, and then press gently on the back of the keyboard until the keyboard disengages from the
computer.
CAUTION: Press gently to avoid damaging the mylar on the back of the keyboard.
4. Rotate the keyboard downward (1) onto the top cover (1), and then release and disconnect the following
connectors and cables:
● Release the keyboard connector (2) and then remove the cable (3).
● For products with a backlit keyboard, release the backlight connectors (4) and (6), and then
remove the cables (5) and (7).
Component replacement procedures 49