My PC With A Gigabyte Motherboard and New GPU and I5 lga-1155 cpu and 500 watt PSU Will restart when starting any program or sometimes when installing drivers It also occasionally restarts without this GPU and Have been searching into this for a couple months with no success in fixing the issue. I have tried DDU,Memtest,Reinstalling Windows,Checking all cables,Reseating everything with no fix. If you can help It will be appreciated 
