EDITED WITH INFO FROM THE THREAD. You will find all the info you need to analyze the problem here.
ISSUE: heavy slow down and then freeze after 1-2 minutes playing games such as Overwatch / World of Warcraft. Issue reproduced during 3dmark11 test. After 1 minute during 3dmark11 test, the demo started to freeze at 2/3 seconds intervals and then totally froze.
I use Windows 8.0 with a GTX780M and Samsung 840 Evo SSD 1TB.
ALL drivers are up to date. Including audio card, SSD driver and Nvidia driver. BIOS is latest version (206). The computer is always plugged to direct power.
A Malwarebytes full scan reported zero infections. Graphic driver has already been uninstalled using DDU utility and then installed again with clean installation.
BSOD happened only once. Here is the relevant screen:
Samsung firmware stating it is the latest:
SSD and Hard Disk health:
here are the screenshots from hwinfo:
MSI Afterburner showing temperature with max 76°C during 3dmark11 freeze:
http://prnt.sc/cgv4znMSI Afterburner FB usage during 3dmark11 freeze:
http://prnt.sc/cgv5nhMSI Afterburner GPU usage during 3dmark11 freeze:
http://prnt.sc/cgv5z3Today I managed to complete a 3DMark11 test. This was performed just 2 hours after the pc was turned on and there was NO FREEZE.
CPU Temperature during 3dmark11 completed test and no freeze (look at max values which were reached during the test)
GPU went up to 85°C. CPU up to 88°C.
NEW FREEZE while I was playing World of Warcraft. It kept freezing on the desktop too, even after the game was closed.
GPU usage was stuck to 99% even on the desktop. What is going on?
Temperatures during game freeze: