Dell Precision 3640 Tower - Removing Blower and Heat Sink Assembly - 125 W CPU

NOTE: Loosen the screws in a sequential order (1,2,3,4) as mentioned on the system board.
Removing blower and heat sink assembly — 125 W CPU
About this task
These steps applies to system configurations shipped with 125 W CPU.
Steps
1. Follow the procedure in Before working inside your computer.
2. Remove the cover.
3. Open the PSU hinge.
4. Remove the three #6-32x1/4'' screws that secure the blower to the heat-sink assembly [1].
5. Flip over the blower and place it to a side [2].
Disassembly and reassembly
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