Heat Sink - HP Compaq Presario,Presario C770 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.
Optical drive (see
b.
Keyboard (see
c.
Switch cover (see
d.
Display assembly (see
e.
Top cover (see
f.
System board (see
g.
Remove the heat sink:
Turn the system board upside down, with the audio connectors toward you.
1.
Loosen the four Phillips PM2.5×6.0 captive screws (1) that secure the heat sink to the system board.
2.
NOTE:
system board components, it may be necessary to move the heat sink from side to side to detach the
assembly.
Battery on page
Hard drive on page
Optical drive on page
Keyboard on page
Switch cover on page
Display assembly on page
Top cover on page
System board on page
Due to the adhesive quality of the thermal material located between the heat sink and
40).
41)
48)
50)
53)
55)
62)
72)
Component replacement procedures
Spare part number
454943-001
79