HP EliteBook 840 G1 Service Manual page 94

c.
Fan (see
d.
Keyboard (see
e.
Base enclosure (see
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:
the system board components, it may be necessary to move the heat sink from side to side to
detach it.
82 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Fan on page 77)
Keyboard on page
Base enclosure on page
Due to the adhesive quality of the thermal material located between the heat sink and
62)
71)