HP EliteBook 820 G1 Maintenance And Service Manual page 72

3.
Disconnect all external devices from the computer.
4.
Remove the service cover (see
components:
a.
Battery (see
b.
Hard drive (see
c.
Keyboard (see
NOTE: When replacing the top cover, be sure that the following components are removed from the
defective top cover and installed on the replacement top cover:
Remove the top cover:
1.
Close the computer.
2.
Turn the computer upside down with the front toward you.
3. Remove the Phillips PM2.0×3.25 screw (1) that secures the display panel cable bracket and
display panel cable to the system board.
4. Remove the display panel cable bracket (2).
5. Disconnect the display panel cable (3) from the system board.
6.
Remove the following rubber screw covers:
(1) This screw cover has a "1" marking on the inside of the cover
(2) These screw covers have a "2" marking on the inside of the cover
(3) These screw covers have a "3" marking on the inside of the cover
64 Chapter 6 Removal and replacement procedures for Customer Self- Repair parts
Service cover on page
Battery on page 44)
Hard drive on page
Keyboard on page 56)
42), and then remove the following
46)