Compaq Presario CQ42-400 Compaq Presario CQ42 Notebook PC and HP G42 Notebook - Page 105

Before removing the processor, follow these steps, Speaker assembly see

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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 Battery on page 52). 5. Remove the following components: a. Hard drive (see Hard drive on page 53) b. Optical drive (see Optical drive on page 56) c. Keyboard (see Keyboard on page 63) d. Top cover (see Top cover on page 65) e. Speaker assembly (see Speaker assembly on page 68) f. Display assembly (see Display assembly on page 76) g. System board (see System board on page 83) h. Fan/heat sink assembly (see Fan/heat sink assembly on page 91) Remove the processor: 1. Turn the processor locking screw (1) one-half turn counterclockwise until you hear a click. ENWW Component replacement procedures 95

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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
Battery
on page
52
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
53
)
b.
Optical drive (see
Optical drive
on page
56
)
c.
Keyboard (see
Keyboard
on page
63
)
d.
Top cover (see
Top cover
on page
65
)
e.
Speaker assembly (see
Speaker assembly
on page
68
)
f.
Display assembly (see
Display assembly
on page
76
)
g.
System board (see
System board
on page
83
)
h.
Fan/heat sink assembly (see
Fan/heat sink assembly
on page
91
)
Remove the processor:
1.
Turn the processor locking screw
(1)
one-half turn counterclockwise until you hear a click.
ENWW
Component replacement procedures
95