4. Follow the procedure in After working inside your computer.
Heat sink and CPU fan assembly
Removing the heat sink and CPU fan assembly
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. side cover
b. air shroud
3. To remove the heat sink and CPU fan assembly:
a. Disconnect the CPU fan cable [1] from the system board.
b. Loosen the four heat sink captive screws [2], in the diagonal order (4, 3, 2, 1).
c. Gently lift the heat sink and CPU fan assembly [3] from the system.
NOTE: Lay the assembly with the thermal grease facing up.
60 Removing and installing components