Heat Sink - HP EliteBook 8470w Maintenance And Service Manual

Heat sink

NOTE: The heat sink spare part kit includes replacement thermal material.
Description
For use only on computer models equipped with a graphics subsystem with discrete memory
For use only on computer models equipped with a graphics subsystem with UMA memory
Before removing the heat sink, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
a. Service cover (see
b.
Hard drive (see
c. Optical drive (see
d. WLAN module (see
e. WWAN module (see
f. Fan (see
g. Keyboard (see
h. Base enclosure (see
i. System board (see
Remove the heat sink:
NOTE: Steps 1 and 2 apply to computer models equipped with a graphics subsystem with discrete
memory. See steps 3 and 4 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) and (2) that secure the heat sink to the system board.
100 Chapter 4 Removal and replacement procedures
Battery on page
Service cover on page
Hard drive on page
Hard drive on page
WLAN module on page
WWAN module on page
Fan on page 75)
Keyboard on page
Base enclosure on page
System board on page
57), and then remove the following components:
59)
65)
65)
71)
69)
76)
80)
97)
Spare part number
686021-001
693371-001