Compaq Presario CQ61-400 Compaq Presario CQ61 Notebook PC and HP G61 Notebook - Page 76

Fan/heat sink assembly, Remove the following components

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Removal and replacement procedures Fan/heat sink assembly ✎ The fan/heat sink assembly spare part kit includes replacement thermal material. Description For use with discrete systems For use with UMA systems Spare part number 580719-001 580718-001 ✎ To properly ventilate the computer, allow at least a 7.6-cm (3-in) clearance on the left side of the computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software requirements. Exhaust air is displaced through the ventilation grill located on the left side of the computer. Before removing the fan/heat sink assembly, 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 4-7). 5. Remove the following components: a. Wireless module compartment cover (see "WLAN module" on page 4-8). b. Hard drive (see "Hard drive" on page 4-10). c. Optical drive (see "Optical drive" on page 4-15). d. Keyboard (see "Keyboard" on page 4-16). e. Keyboard cover (see "Keyboard cover" on page 4-18). f. Display assembly (see "Display assembly" on page 4-21). g. Top cover (see "Top cover" on page 4-29). h. System board (see "System board" on page 4-36). Maintenance and Service Guide 4-39

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Removal and replacement procedures
Maintenance and Service Guide
4–39
Fan/heat sink assembly
✎
The fan/heat sink assembly spare part kit includes replacement thermal material.
✎
To properly ventilate the computer, allow at least a 7.6-cm (3-in) clearance on the left side of the computer. The
computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to
turn on automatically when high temperature conditions exist. These conditions are affected by high external
temperatures, system power consumption, power management/battery conservation configurations, battery fast
charging, and software requirements. Exhaust air is displaced through the ventilation grill located on the left side
of the computer.
Before removing the fan/heat sink assembly, 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 4-7
).
5. Remove the following components:
a.
Wireless module compartment cover (see
“WLAN module” on page 4-8
).
b.
Hard drive (see
“Hard drive” on page 4-10
).
c.
Optical drive (see
“Optical drive” on page 4-15
).
d.
Keyboard (see
“Keyboard” on page 4-16
).
e.
Keyboard cover (see
“Keyboard cover” on page 4-18
).
f.
Display assembly (see
“Display assembly” on page 4-21
).
g.
Top cover (see
“Top cover” on page 4-29
).
h.
System board (see
“System board” on page 4-36
).
Description
Spare part number
For use with discrete systems
580719-001
For use with UMA systems
580718-001