HP Mini 110-3500 HP Mini 110, Compaq Mini CQ10 and HP Mini 1103 - Maintenance - Page 72

Fan/heat sink assembly

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Fan/heat sink assembly Description Fan/heat sink assembly (includes replacement thermal material) Spare part number 622330-001 NOTE: 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 following components: a. Battery (see Battery on page 35). b. Service access cover (see Service access cover on page 38). Remove the fan/heat sink assembly: 1. Turn the computer upside down. 2. Disconnect the fan cable (1) from the system board. 3. Remove the Phillips 2.0×3.0 screw (2), and then loosen the 2 Phillips 2.0x4.0 captive screws (3) that secure the fan/heat sink assembly to the system board. 64 Chapter 4 Removal and replacement procedures

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Fan/heat sink assembly
Description
Spare part number
Fan/heat sink assembly (includes replacement thermal material)
622330-001
NOTE:
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 following components:
a.
Battery (see
Battery
on page
35
).
b.
Service access cover (see
Service access cover
on page
38
).
Remove the fan/heat sink assembly:
1.
Turn the computer upside down.
2.
Disconnect the fan cable
(1)
from the system board.
3.
Remove the Phillips 2.0×3.0 screw
(2)
, and then loosen the 2 Phillips 2.0x4.0 captive screws
(3)
that secure the fan/heat sink assembly to the system board.
64
Chapter 4
Removal and replacement procedures