HP ZBook 17 G2 Mobile Workstation Maintenance and Service Guide

3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 41).
5. Remove the service cover (see Service cover on page 43).
6. Remove the optical drive (see Optical drive on page 52) or upgrade bay hard drive (see Upgrade Bay
hard drive on page 54).
7. Remove the keyboard (see Keyboard on page 57).
8. Remove the top cover (see Top cover on page 67).
9. Remove the display assembly (see Display assembly on page 77).
10. Remove the graphics board fan/heat sink (see Graphics subsystem heat sink on page 91).
11. Remove the processor heat sink (see Processor heat sink on page 86).
12. Remove the audio/USB board (see Audio/USB board on page 84).
13. Remove the Smart Card reader (see Smart Card reader on page 83).
14. Remove the Expresscard assembly (see ExpressCard assembly on page 82).
When replacing the system board, be sure that the following additional components are removed from the
defective system board and installed on the replacement system board:
SIM (see SIM card on page 42)
WLAN module (see WLAN module on page 47)
WWAN module (see WWAN module on page 49)
Solid-state drive (see Solid-state drive on page 46)
Hard drives (see Hard drives, primary and secondary on page 44)
Primary memory modules (see Primary memory module on page 60)
Expansion memory modules (see Expansion memory module on page 56)
Graphics board (see Graphics board on page 94)
Processor (see Processor on page 89)
Remove the system board:
1. Remove the rear corner cover/right (1).
The rear corner cover/right is available in the Plastics Kit, 733637-001.
2. Remove the Torx T8M2.5×4.0 screw that secures the RJ-45 connector bracket (2).
98 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts