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MCH Heat Sink

Dell™ XPS M170 Service Manual

  Removing the MCH Heat Sink

  Replacing the MCH Heat Sink

Removing the MCH Heat Sink

CAUTION: Before you perform the following procedures, see the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

NOTICE: To avoid damaging the system board, you must remove the main battery before you begin working inside the computer.

1. Follow the instructions in "Before Working Inside Your Computer."
   
   
2. Remove the Mini PCI card (if applicable) and the optical drive.
   
   
3. Remove the hard drive.
   
   
4. Remove the center control cover.
   
   
5. Remove the keyboard.
   
   
6. Remove the display assembly.
   
   
7. Remove the palm rest.
   
   
8. Remove the video card/thermal cooling assembly (if applicable).
   
   
9. Remove the three M2.5 x 5-mm screws that secure the MCH heat sink to the system board.
   
   

1	MCH heat sink
2	M2.5 x 5-mm screws (3)

Replacing the MCH Heat Sink

1. Place the MCH heat sink over the screw holes on the system board.
   
   
2. Replace the screw(s) that secure the MCH heat sink to the system board.
   
   

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