HP ZBook 17 G4 Mobile Workstation - Page 69

d. Hard drive(s) and internal frame (see Hard drive(s) and internal frame on page 33).
e. Fans (see Fan on page 54).
Remove the heat sink:
Heat sink for use with models with discrete graphics memory
1. Remove the screws in the order shown (1 – 8) and then remove the heat sink (9) from the system board.
Component replacement procedures 57