HP G72-b50US HP G72 Notebook PC - Maintenance and Service Guide - Page 89
Fan/heat sink assembly, Speaker assembly see
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Fan/heat sink assembly 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 Thermal pad Spare part number 606013-001 606014-001 634363-001 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 on the computer, 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 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 43) b. Optical drive (see Optical drive on page 46) c. Keyboard (see Keyboard on page 54) d. Top cover (see Top cover on page 57) e. Speaker assembly (see Speaker assembly on page 60) f. Display assembly (see Display assembly on page 69) g. System board (see System board on page 75) Remove the fan/heat assembly (fan/heat sink appearance might vary): NOTE: Steps 1 through 4 apply only to computer models equipped with graphics subsystems having UMA memory. 1. Turn the system board right-side up, with the front toward you. ENWW Component replacement procedures 79