Please help. Random restart

[Ariceseekae]

Please help. My computer keeps randomly restart. Sometimes it restart even before the startup. I also tried reformating. But when the computer is in the recovery mode (i'm using windows 10) it never restart

 

[Dark Lord of Tech]

Specs?

 

[Ariceseekae]

Specs?

Pentium G3260
8gb team elite ram ddr3 (dual stick)
Seagate barracuda 1tb
Corsair vs450
R7 240 ddr3 1gb sapphire
MSI h81m-p33
Windows 10