Removal and replacement procedures
Maintenance and Service Guide
4–27
Fan/heat sink assembly
Before removing the fan/heat sink assembly, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4. Remove the battery (see
“Battery” on page 4-7
).
5. Remove the top cover (see
“Top cover” on page 4-8
).
6. Remove the system board (see
“System board” on page 4-20
).
Remove the fan/heat sink assembly:
1. Disconnect the fan cable from the system board.
2. Turn the system board upside down, with the rear toward you.
Description
Spare part number
Fan/heat sink assembly (includes replacement thermal material)
538340-001
