Compaq Presario CQ61-400 Compaq Presario CQ61 Notebook PC and HP G61 Notebook - Page 77
Compaq Presario CQ61-400 - Notebook PC Manual
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Removal and replacement procedures Remove the UMA 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 and the Phillips PM2.5×15.0 captive screw 3 that secure the UMA 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 4. ✎ 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 UMA fan/heat sink assembly to correspond with components on the system board as follows: the processor 1 and the Northbridge chip 2. Replacement thermal material is included with all system board, fan/heat sink assembly, and processor spare part kits. Reverse this procedure to install the UMA fan/heat sink assembly. 4-40 Maintenance and Service Guide