I've run out of options - I can't find out what is causing this or how to fix it. Any help would be hugely appreciated. Thank you.
As background, I built my computer back in 2013 with new MoBo, CPU and RAM, updated Windows 8.1 and it started to randomly freeze or shut down.
Only the GPU, HDD, Soundblaster Audigy, Wifi card & case remain from the old set-up. I bought a brand new 750W PSU to see if it was the old PSU, but issue continues intermittently. I've had Win10 running on both SSD and HDD - the problem exists on both. The unprovoked shut downs trashed the SSD but I was able to RMA it.
I've taken it to a repair centre who did a full rebuild on it. Now I've updated it to Windows 10 but the problems occur again. Windows 10 has been completely reinstalled again.
I've done a multi-pass MEMTEST on the RAM - that came back without errors. I've checked the HDD & sfc /scannow and no errors detected.
I've successfully updated the Gigabyte BIOS from F14 to F22.
When I tried to update the Motherboard drivers to a newer version, the computer kept restarting and barely got to the BIOS... so I reset the CMOS to get back in (still BIOS F22).
There doesn't seem to be any consistency to when Windows freezes. There have been no BSOD whatsoever. It froze earlier tonight when doing a Windows update. Often I leave it on overnight/for days playing all my iTunes Library on loop to see if this crashes it.
Here's the current hardware:
Gigabyte GA-Z77-D3H rev 1.0 - BIOS updated to F22
Crucial Ballistix Sport 2x4GB (DDR3, 1600Mhz) RAM
Corsair CXM 750W PSU
Samsung 750GB HDD
ATI Radeon HD 4870 GPU
Windows 10 64-bit Pro
Sound is using the motherboards VIA HD Audio driver. The SB Audigy has been disabled to see if this makes a difference (it hasn't).
How likely is it the an older CMOS battery is causing it to freeze? Probably not.
What about a conflict with the drivers - for instance the two sound chips?
Something to add - may be connected - music playing stutters when copying a lot of files etc. Why's that?
Thanks for any assistance!
Edited by Albini's cat, 16 November 2015 - 05:17 PM.