HP ZBook 14 Mobile Workstation, HP EliteBook 740 G1, HP EliteBook 840 G1, HP EliteBook 750 G1, HP EliteBook 850 G1 Notebook PC Maintenance and Service Guide

d. Keyboard (see Keyboard on page 71)
e. Base enclosure (see
Base enclosure on page 79)
Remove the heat sink:
NOTE: Step 2 applies to computer models equipped with a graphics subsystem with discrete memory. See
step 3 for heat sink removal information for computer models equipped with a graphics subsystem with UMA
memory.
1. Following the 1, 2, 3, 4, 5, 6 sequence stamped into the heat sink, loosen the six captive Philllips screws
(1) – (6) that secure the heat sink to the system board, and then remove the heat sink (7).
NOTE: Due to the adhesive quality of the thermal material located between the heat sink and
the system board components, it may be necessary to move the heat sink from side to side to detach it.
Component replacement procedures 89