HELLO GUYS MY PC KEEPS SHUTING DOWN AUTOMATICALLY AFTER 3 TO 4 HOURS OF USE WHETHER I AM GAMING OR NORMAL USE OF SURFING AND DOCUMENTATION , PC AUTOMATICALLY POWER OFF WITHOUT ANY ERROR AND THEN KEEPS RESTARTING ITSELF I HAVE CLEANED UP MY CPU AND CHANGED THERMAL PASTE FOR ANY HEATING ISSUE BUT STILL THERE ARE RANDOM POWER OFF AFTER FEW HOURS OF USE I HAD ALSO CHECKED WITH GPU AND WITHOUT GPU BUT THERE IS NO DIFFERENCE, I HOPE ANY OF YOU GUYS CAN HELP ME OUT OR LET ME KNOW WHICH OF MY COMPONENT IS FAILING OR CAUSING PC TO SHUTDOWN , THANK YOU.
MY PC SPECS:-
INTEL CORE I5-3450 @3.1GHZ
GIGABYTE GA-H61M-D2H MOTHERBOARD
CORSAIR 4 GB X 2=8 GB OF RAM DDR3 @ 1333
WD BLUE 500GB HARD DISK
CORSAIR CX 500W PSU
ZOTAC GTX 660 2GB SYNERGY EDITION GPU
MY PC SPECS:-
INTEL CORE I5-3450 @3.1GHZ
GIGABYTE GA-H61M-D2H MOTHERBOARD
CORSAIR 4 GB X 2=8 GB OF RAM DDR3 @ 1333
WD BLUE 500GB HARD DISK
CORSAIR CX 500W PSU
ZOTAC GTX 660 2GB SYNERGY EDITION GPU