Dell XPS /Inspiron M170 Service Manual - Page 52

Back to Contents Page 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 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. 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. 1 microprocessor thermal-cooling assembly 2 captive screws (4) 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.