Hp DV3 Manual de usuario descargar pdf (Pagina 118)

4–56 Maintenance and Service Guide

Removal and replacement procedures

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-inch) 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 7).

5. Remove the following components:

a. Hard drive (see “Hard drive” on page 8)

b. Memory module (see “Memory module” on page 10)

c. WLAN module (see “WLAN module” on page 12)

d. WWAN module (see “WWAN module” on page 19)

e. SIM slot board (see “SIM slot board” on page 20)

f. RTC battery (see “RTC battery” on page 22)

g. Optical drive (see “Optical drive” on page 23)

h. Keyboard (see “Keyboard” on page 25)

i. Switch cover (see “Switch cover” on page 29)

j. Speaker assembly (see “Speaker assembly” on page 31)

k. Display assembly (see “Display assembly” on page 32).

l. Top cover (see “Top cover” on page 44).

m. System board (see “System board” on page 53).

Description Spare part number

For use only with dv3-2000 computer models

For use only with computer models equipped with graphics subsystems with

discrete memory

531814-001

For use only with computer models equipped with graphics subsystems with

UMA memory

531813-001

For use only with dv3-2300 computer models

For use only with computer models equipped with graphics subsystems with

discrete memory

591431-001

For use only with computer models equipped with graphics subsystems with

UMA memory

591430-001

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