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HP Pavilion DV7-4280 Maintenance And Service Manual page 109

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Before removing the processor, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
5.
Remove the primary hard drive cover (see
6.
Remove the following components:
a.
Hard drive (see
b.
Secondary hard drive (see
c.
Optical drive (see
d.
Keyboard (see
e.
Top cover (see
f.
USB board (see
g.
Display assembly (see
h.
System board (see
i.
Fan/heat sink assembly (see
Remove the processor:
1.
Turn the processor locking screw (1) one-half turn counterclockwise until you hear a click.
Battery on page
51).
Primary hard drive cover on page
Hard drive on page
53).
Secondary hard drive on page
Optical drive on page
Keyboard on page
65).
Top cover on page
67).
USB board on page
86).
Display assembly on page
System board on page
Fan/heat sink assembly on page
55).
63).
73).
83).
94).
Component replacement procedures
52).
99

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