Dell Precision M20 Notice
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Microprocessor Thermal-Cooling Assembly
DellPrecision™M20ServiceManual
Removing the Microprocessor Thermal-Cooling Assembly
Installing the Microprocessor Thermal-Cooling Assembly
Removing the Microprocessor Thermal-Cooling Assembly
1. Follow the instructions in "Preparing to Work Inside the 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 three captive screws, labeled "1" through "3," that secure the microprocessor thermal-cooling assembly to the system
board.
7. Lift to remove the microprocessor thermal-cooling assembly away from the system board.
Installing the Microprocessor Thermal-Cooling Assembly
1. Place the microprocessor thermal-cooling assembly on the system board.
2. Tighten the three captive screws, labeled "1" through "3," in consecutive order.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located 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: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.
NOTE: You can remove the microprocessor thermal-cooling assembly with the fan attached.
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microprocessor thermal-cooling assembly
2
captive screws (3)