Dell XPS One 24 Manuel d'entretien - Page 33

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Replacing the Processor Heat Sink

Assembly

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:

Do not perform the following steps unless you are familiar with hardware

removal and replacement. Performing these steps incorrectly could damage your

system board. For technical service information, see the Setup Guide.

1 Follow the procedures in "Before You Begin" on page 9.

2 Remove the computer cover (see "Replacing the Computer Cover" on

page 11).

3 Remove the top shield (see "Replacing the Top Shield" on page 15).

CAUTION:

The heat sink assembly may be very hot during normal operation. Be

sure that it has had sufficient time to cool before you touch it.

4 Disconnect the processor fan cable from the CPU FAN connector on the

system board.

5 Use the marked sequence to loosen the four captive screws at the lower

end of the processor heat sink assembly.

6 Remove the five screws securing the top end of the processor heat sink.

NOTICE:

To ensure maximum cooling for the processor, do not touch the heat

transfer areas on the processor heat sink. The oils in your skin can reduce the heat

transfer capability of the thermal pads.