HP EliteBook 8570w Specifications download pdf (Page 98)

Lift the fan and heat sink assembly from the base enclosure (3).

NOTE: The thermal material must be thoroughly cleaned from the surfaces of the system board (1),

(3), (5), and (7) and the heat sinks (2), (4), (6), and (8), each time the heat sink is removed.

Replacement thermal material is included with all heat sink and system board spare part kits.

Reverse this procedure to install the fan and heat sink assembly.

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.

Graphics card

NOTE: All graphics card spare part kits include replacement thermal material.

90 Chapter 4 Removal and replacement procedures

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HP EliteBook 8570w Specifications Page 98