I installed new power supply to my pc .
Here are specs,
Intel core i7 3770K
Kingston hyperx 8GB 1866MHz RAM X 2
Gigabyte GA-H61M-WW motherboard
I installed new power supply and processor . When I turn on computer it asked me to save bios settings to default and I did that . After that when I click power switch it , the fan spins for few seconds and then turn off. After that when I reset bios, I entered bios settings I was seeing if their any wrong settings , the system s