Dell Vostro A860 Руководство по эксплуатации - Страница 12

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Processor Heat Sink

Dell™ Vostro™ A840/A860 Service Manual

Removing the Processor Heat Sink

Replacing the Processor Heat Sink

CAUTION:

Before working inside your computer, read the safety information that shipped with your computer. For additional safety best

practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance

NOTICE:

To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface

(such as a connector on the back of the computer).

Removing the Processor Heat Sink

1. Follow the instructions in

Before You

2. Remove the system board (see

3. Turn the system board over.

4. Loosen the four captive screws on the processor heat sink.

5. Lift the processor heat sink out of the computer.

processor heat sink

Replacing the Processor Heat Sink

NOTE:

The original thermal pad can be reused if the original processor and processor heat sink are reinstalled together. If either the processor or the

processor heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved.

NOTE:

This procedure assumes that you have already removed the processor heat sink and are ready to replace it.

1. Peel the backing off the thermal pad and adhere the pad to the portion of the processor heat sink assembly that covers the processor.

2. Slide the processor heat sink under the bracket and align the four captive screws with the screw holes on the system board.

3. Tighten the four captive screws.

4. Follow the instructions in

Replacing the System

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Begin.

Removing the System

Board).

captive screw (4)

Board.