When Your Computer Automatically Restarts

Please check,

 

This can be caused by several things:

1. Fan power cable not properly attached (open case and see if fan is spinning);

2. Fan power cable not connected to "CPU FAN" header (open case and make sure CPU fan power cable is installed to "CPU FAN" connector);

3. Bad fan not spinning (open case and see if fan is spinning);

4. Shut down temperature set at a value that is too low on motherboard setup (press Del after turning on your PC to check this out);

5. Overheating CPU

6. Bad power supply (replace your power supply to see if the problem is gone);

7. Other bad device installed that is making the power supply to shut down.