Removal and replacement procedures
Maintenance and Service Guide 4–47
Fan/heat sink assembly
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).
Description Spare part number
Fan/heat sink assembly (includes replacement thermal material) for use only with computer models
with UMA graphics subsystem memory
595832-001
Fan/heat sink assembly (includes replacement thermal material) for use only with computer models
with discrete graphics subsystem memory
595833-001
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