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XPS 17 9720 Service Manual

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Removing the heat sink (for computers shipped with discrete graphics card)

Prerequisites

  1. Follow the procedure in Before working inside your computer.
    CAUTION:For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.
    NOTE:The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
  2. Remove the base cover.

About this task

The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.

Removing the heat sink

Steps

  1. Loosen the seven captive screws in reverse sequential order (7 > 6 > 5 > 4 > 3 > 2 > 1) as indicated by the numbers on the heat sink.
  2. Lift the heat sink off the system board.

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