Heat Sink - HP 520 Maintenance And Service Manual

Heat sink

Description
Heat sink (includes thermal material)
Before removing the heat sink, follow these steps:
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
1.
computer on, and then shut it down through the operating system.
Disconnect all external devices connected to the computer.
2.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
3.
then unplugging the AC adapter from the computer.
Remove the battery (see
4.
Remove the following components:
5.
Hard drive (see
a.
Memory/WLAN module compartment cover (see
b.
Optical drive (see
c.
Switch cover (see
d.
Keyboard (see
e.
Display assembly (see
f.
Base enclosure (see
g.
Fan assembly (see
h.
Remove the heat sink:
Remove the four Phillips PM2.5×6.0 screws (1) that secure the heat sink to the system board.
1.
Release the heat sink (2) by sliding it to the left until the right side of the heat sink clears the top
2.
cover.
NOTE:
processor, it may be necessary to move the heat sink from side to side to detach the heat sink from
the processor.
Battery on page
Hard drive on page
Optical drive on page
Switch cover on page
Keyboard on page
Display assembly on page
Base enclosure on page
Fan assembly on page
Due to the adhesive quality of the thermal material located between the heat sink and
31).
32)
Memory module on page
39)
41)
43)
45)
50)
53)
Component replacement procedures
Spare part number
448336-001
35)
55