Compaq Presario CQ61-400 Compaq Presario CQ61 Notebook PC and HP G61 Notebook - Page 78
assembly to correspond with components on the system board as follows: the processor
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Removal and replacement procedures Remove the discrete fan/heat sink assembly: 1. Turn the system board upside down. 2. Disconnect the fan cable 1 from the system board. 3. Loosen the two Phillips PM2.5×11.0 captive screws 2, the Phillips PM2.5×15.0 captive screw 3, and the three Phillips PM2.5×5.0 captive screws 4 that secure the discrete fan/heat sink assembly to the system board. Ä Loosen the screws in the order indicated on the fan/heat sink assembly to ensure consistent pressure over the processor board. 4. Remove the fan/heat sink assembly 5. ✎ Due to the adhesive quality of the thermal material located between the fan/heat sink assembly and system board components, it may be necessary to move the fan/heat sink assembly from side to side to detach the assembly. ✎ The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly and the system board each time the fan/heat sink assembly is removed. Thermal material is applied to the discrete fan/heat sink assembly to correspond with components on the system board as follows: the processor 1, the Northbridge chip 2, the graphics processor 3, and the capacitors 4. Replacement thermal material is included with all system board, fan/heat sink assembly, and processor spare part kits. Reverse this procedure to install the discrete fan/heat sink assembly. Maintenance and Service Guide 4-41