HP ProBook 470 G5 Maintenance And Service Manual page 56

8. To remove the top cover, start prying upward along the top and sides of the top cover (1), and then
remove the top cover from the computer (2).
NOTE:
Reverse this procedure to install the top cover.
46 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
The top cover may be secured very tightly to the computer.