Compaq Presario CQ45-100 Compaq Presario CQ45 Notebook PC - Maintenance and Se - Page 95

System fan, The gold triangle

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h. System board (see System board on page 80) i. Fan/heat sink assembly (see Fan/heat sink assembly on page 83) Remove the processor: 1. Turn the processor locking screw (1) one-half turn counterclockwise until you hear a click. 2. Lift the processor (2) straight up and remove it. NOTE: The gold triangle (3) on the processor must be aligned with the triangle icon (4) embossed on the processor slot when you install the processor. Reverse this procedure to install the processor. System fan Description Spare part number System fan for use in computer models with Intel or AMD processors and UMA graphics subsystems 486844-001 Before removing the system 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 41). 5. Remove the following components: a. Hard drive (see Hard drive on page 44) b. Optical drive (see Optical drive on page 42) c. Keyboard (see Keyboard on page 54) Component replacement procedures 87

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h.
System board (see
System board
on page
80
)
i.
Fan/heat sink assembly (see
Fan/heat sink assembly
on page
83
)
Remove the processor:
1.
Turn the processor locking screw
(1)
one-half turn counterclockwise until you hear a click.
2.
Lift the processor
(2)
straight up and remove it.
NOTE:
The gold triangle
(3)
on the processor must be aligned with the triangle icon
(4)
embossed
on the processor slot when you install the processor.
Reverse this procedure to install the processor.
System fan
Description
Spare part number
System fan for use in computer models with Intel or AMD processors and UMA graphics subsystems
486844-001
Before removing the system 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
41
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
44
)
b.
Optical drive (see
Optical drive
on page
42
)
c.
Keyboard (see
Keyboard
on page
54
)
Component replacement procedures
87