HP G72-257CL Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 89

Fan/heat sink assembly Removal and replacement procedures Description Fan/heat sink assembly (includes replacement thermal material) for use only with computer models with UMA graphics subsystem memory Fan/heat sink assembly (includes replacement thermal material) for use only with computer models with discrete graphics subsystem memory Fan/heat sink assembly (includes replacement thermal material) for use only with computer models with GL40 UMA graphics subsystem memory Spare part number 595832-001 595833-001 606573-001 Before removing the fan/heat sink assembly: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the hard drive (see "Hard drive" on page 4-8). 6. Remove the memory module (see "Memory module" on page 4-11). 7. Remove the wireless module (see "Wireless module" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11. Remove the display assembly (see "Display assembly" on page 4-28). 12. Remove the sytem board (see "System board" on page 4-44). Maintenance and Service Guide 4-47