Try the memory test from http://www.memtest86.com
Since some time my PC hangs unexpectedly without any rule behind it. That means it may work perfectly fine for several hours, sometimes only for several minutes... And then it crashes with the following screen being displayed on my monitor (I took a photo of it, as I have no clue about other way of capturing this content):
Can anybody please give me a hint, what might be the cause of this problem or what kind of troubleshooting could I perform? I suspect hardware malfunction, but which component could it be? The only one thing I am sure of is that these are not HDDs, since SMART tests complete without errors... And I am stuck here...
Many thanks in advance for your help!