HP Presario CQ40-400 Compaq Presario CQ40 Notebook PC - Maintenance and Servic - Page 89

Fan

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Fan Description Fan Spare part number 486844-001 Before removing the fan, 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 34). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 35) c. Keyboard (see Keyboard on page 44) d. Keyboard cover (see Keyboard cover on page 46) e. Speaker assembly (see Speaker assembly on page 49) f. Display assembly (see Display assembly on page 51) g. Top cover (see Top cover on page 59) h. System board (see System board on page 74) Remove the fan: 1. Position the base enclosure with the front toward you. 2. Remove the two black Phillips PM2.5×5.0 screws (1) that secure the fan to the computer. Component replacement procedures 81

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Fan
Description
Spare part number
Fan
486844-001
Before removing the fan, 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
34
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
36
)
b.
Optical drive (see
Optical drive
on page
35
)
c.
Keyboard (see
Keyboard
on page
44
)
d.
Keyboard cover (see
Keyboard cover
on page
46
)
e.
Speaker assembly (see
Speaker assembly
on page
49
)
f.
Display assembly (see
Display assembly
on page
51
)
g.
Top cover (see
Top cover
on page
59
)
h.
System board (see
System board
on page
74
)
Remove the fan:
1.
Position the base enclosure with the front toward you.
2.
Remove the two black Phillips PM2.5×5.0 screws
(1)
that secure the fan to the computer.
Component replacement procedures
81