Graphics Cards

[kni_slaughterer]

As shown in the image my Pc locks up and i need to force restart it
this behavior is happening at least once every day
RX 480 8Gbs gaming X
I5 6600K @stock
16 gb corsair Vengeance 

Corsair Cx600W

MSI z170 Toamahwk

[black_zion]

Is a possibility, but it could also be defective RAM as well. Run Memtest86 overnight, if it all passes, then I'd suspect the GPU.

https://www.memtest86.com