[SOLVED] ASUS ROG CROSSHAIR VI HERO QCode 8

[PCGamingDE]

This is my first post on this forum. But I'm stuck with my problem.
I bought the ASUS CROSSHAIR VI HERO lately after my first Mainboard (MSI X370 KRAIT Gaming) broke. It’s running the Ryzen 5 1600 and 16GB of Corsair Vengeance LPX 3200MHz Cl16. My graphics card is the ASUS ROG STRIX RX580 08G and my PC is powered by the BeQuiet Pure Power 10 500W.
So after a few minutes in Windows, my System will crash and show me a Blackscreen with my Monitor losing video signal. The Computer is still running, the Mainboard shows QCode 8 (not 08) and the DRam-LED is lit.
I have nothing overclocked and BIOS is the latest available on ASUS Website and running on factory settings. I searched the whole web for my Problem and there are some people with the same one but without real or useful solutions.
I hope you can help my and thank you in advance

 

[PC Tailor]

Welcome to the forums my friend!

What issue were you encountering with the previous motherboard?
The PurePower 10 isn't a great quality PSU, so it could be a culprit.
Can you boot into safe mode and see if the issue still occurs there?

Edit, I was referring to lower wattage PurePower 10, not higher, this one is a decent unit. Apologies.

 

[PCGamingDE]

Welcome to the forums my friend!

What issue were you encountering with the previous motherboard?
The PurePower 10 isn't a great quality PSU, so it could be a culprit.
Can you boot into safe mode and see if the issue still occurs there?

Thanks for the fast reply. The first mainboard was a X370 Krait Gaming from MSI. The problem was similar to the one now, but I couldn't figure it out right since it doesn't have that QCode display. I suspected the GPU first, then the motherboard, so I returned the GPU, and bought the mainboard. That's pretty much the story.
I'm not home right now, but I'm gonna try to boot into safe mode when I am.
How do I know the PSU is broken or not working properly? Should I just RMA it?

 

[PCGamingDE]

So it turned out that my custom sleeved cables were guilty. I replaced them with the standard PSU cables and everything worked fine since then on. If anyone has the same problem as me, check your PSU and the cables. Thanks to everyone who helped me.