THE SYSTEM SHUT DOWN AUTOMATICALLY AFTER FEW MINUTE
Reason: The above symptom is due to CPU heat sink with fan problem.
1. Heat sink
2. Processor
Note: It the processor is not proper contact with the CPU heat sink with fan, then system shut down automatically.
Sometimes SMPS problem
The actual work of the CPU heat sink with fan is to absorb the heat from the processor & provide cooling to the processor.
Step to overcome the above symptom
vDeassemble the mother board from the system unit
v Uninstall the CPU heat sink with fan upon the processor.
v unfix the processor from the CPU socket.
v Apply heat sink or thermal paste upon the upper layer or the processor
v Fix the processor in to CPU socket.
v Install the CPU heat sink with fan upon the processor with proper balance.
v Assemble the board in system unit
v Turn on the PC you may over come the above symptom.