HP EliteBook 820 G1 Maintenance And Service Manual page 51

Remove the service cover:
1.
Turn the computer upside down, with the rear toward you.
2. Slide the service cover release latch (1) to gain access to the service cover security screw.
3. Remove the Phillips PM2.0×4.5 security screw (2) (if present).
NOTE:
The service cover includes a threaded receptacle for storing the security screw.
4. Slide the service cover release latch a second time (3) to release the service cover.
5. Release the service cover (4) by sliding it forward.
6. Remove the service cover (5).
Reverse this procedure to install the service cover.
Component replacement procedures
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