I have this CRITICAL problem posted on my event viewer, my computer just suddenly shuts down randomly..

Setsuna_kun

Commendable
Jul 23, 2016
19
0
1,510
in my event viewer it says "The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly".. Please help! How can I fix this??
 

Setsuna_kun

Commendable
Jul 23, 2016
19
0
1,510


In my diagnostics Its not the psu thats broken.. I've switched psu with other PC but the problem is still there