HP EliteBook 8570p Maintenance And Service Manual page 136

d. WWAN module (see
e. WLAN module (see
f. Fan (see
g. Keyboard (see
h. Base enclosure (see
i. System board (see
Remove the heat sink:
1. Turn the system board upside down, with the front toward you.
NOTE:
memory. See step 3 for heat sink removal information for computer models equipped with a
graphics subsystem with UMA memory.
2. Following the 1, 2, 3, 4, 5, 6, 7 sequence stamped into the heat sink, loosen the seven captive
Philllips screws (1) and (2) that secure the heat sink to the system board, and then remove
the heat sink (3).
NOTE:
the system board components, it may be necessary to move the heat sink from side to side to
detach it.
3. Following the 1, 2, 3, 4 sequence stamped into the heat sink, loosen the four captive Philllips
screws (1) that secure the heat sink to the system board, and then remove the heat sink (2).
NOTE:
the system board components, it may be necessary to move the heat sink from side to side to
detach it.
128 Chapter 4 Removal and replacement procedures
WWAN module on page
WLAN module on page
Fan on page 100)
Keyboard on page
Base enclosure on page
System board on page
Step 2 applies to computer models equipped with a graphics subsystem with discrete
Due to the adhesive quality of the thermal material located between the heat sink and
Due to the adhesive quality of the thermal material located between the heat sink and
92)
94)
101)
107)
121)