1
-try using test like prime95,memtest,futuremark.
-see if the temp is too high during load.
-see if any tests fail.
2
-restart without BSOD?
-disable auto restart under system in control panel.
3
-go event viewer and see for any errors/critical logs.
-pay close attention to the time and date.
-see wheres the source coming from.
-google the event code (event 41, event 1001 etc)