HP ZBook 15 G3 Mobile Workstation - Maintenance and Service Guide

Buttons
Before removing the buttons, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see Bottom cover on page 32).
5. Disconnect the battery (see Battery on page 34).
6. Remove the hard drive (see Hard drive on page 58).
7. Remove the keyboard (see Keyboard on page 49).
8. Remove the fans (see Fans on page 55).
9. Remove the smart card reader (see Smart card reader on page 57).
10. Remove the system board (see System board on page 67).
Remove the buttons:
1. Remove the Phillips PM2.5×2.5 screw (1) that secures each button to the base enclosure.
2. Remove the buttons from the computer (2).
3. Remove the buttons
Reverse this procedure to install the buttons.
70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts