DISASSEMBLING:
Motherboard.
Removed all parts from the mother board.
Processor which is present under cpu fan.
Processor removed from motherboard.
ASSEMBLING:
Processor fixed to mother board.
CPU fan fixed to mother board on the processor.
Hard disk fixed and satacable fixed to the motherboard.
SMPS fixed to CPU with 4 screws.
Connect SMPS cables with 3 parts.
20 pin ATX cable
4 pin ATX_CPU
One with hard disk.
DVD/CD writer fixed.
Sata cable from DVD/CD writer to motherboard.
Power cable to DVD writer from SMPS.
Back side of CPU can find different port connections to connect.
All parts of CPU has been fixed.
CPU is ready to use.