Dell XPS M170 (MXG051, Late 2005) - Manual (Page 52)

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Microprocessor Thermal-Cooling Assembly
Dell™ XPS M170 Service Manual
Removing the Microprocessor Thermal-Cooling Assembly
Replacing the Microprocessor Thermal-Cooling Assembly
Removing the Microprocessor Thermal-Cooling Assembly
1. Follow the instructions in " Before Working Inside Your Computer ."
2. Remove the center control cover .
3. Remove the keyboard .
4. Remove the display assembly .
5. Remove the palm rest .
6. Loosen in consecutive order the four captive screws, labeled "1" through "4," that secure the microprocessor thermal-cooling assembly to the system
board.
7. Lift up the microprocessor thermal-cooling assembly and remove it from the system board.
Replacing the Microprocessor Thermal-Cooling Assembly
1. Evenly apply thermal grease to the top surface of the microprocessor.
2. Place the microprocessor thermal-cooling assembly over the microprocessor.
3. Tighten the four captive screws, labeled "1" through "4," in consecutive order.
CAUTION: Before you begin the following procedure, 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 microprocessor thermal-cooling assembly
2 captive screws (4)