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Title: Screen Goes Black - No Signal Post by: MrN1ce9uy on May 25, 2017, 01:09:53 AM On one particular system I have, the screen will go black at very random times. The system has one GPU mining ETH, I think it's mining every time it happens but I can't remember for sure.
System: Pentium G4560 (new, 2 weeks old) 8GB Corsair Vengeance LPX 2400 CL14 (1 module, new 2 weeks old) MSI Z270M MORTAR (refurbished, bought 2 weeks ago) <- ?? should I refund ?? EVGA 520B (1 year old, bought new) XFX RX 470 4GB (Elpida) stock & modded black screen occurs, possibly undervolted every time, can't remember. (-96mV MSI Afterburner) Kingston 120GB V300 SSD What do you think the problem is, and how can I further isolate the problem? It happens about once a day or every other day. Happened earlier when I got up from the PC to leave the room. *I've reinstalled Windows at least twice, reinstalled drivers countless times dealing with the auto-update in Windows 10. Happens on newest Crimson drivers and legacy drivers. Title: Re: Screen Goes Black - No Signal Post by: ShallowR on May 25, 2017, 02:23:53 AM On one particular system I have, the screen will go black at very random times. The system has one GPU mining ETH, I think it's mining every time it happens but I can't remember for sure. System: Pentium G4560 (new, 2 weeks old) 8GB Corsair Vengeance LPX 2400 CL14 (1 module, new 2 weeks old) MSI Z270M MORTAR (refurbished, bought 2 weeks ago) <- ?? should I refund ?? EVGA 520B (1 year old, bought new) XFX RX 470 4GB (Elpida) stock & modded black screen occurs, possibly undervolted every time, can't remember. (-96mV MSI Afterburner) Kingston 120GB V300 SSD What do you think the problem is, and how can I further isolate the problem? It happens about once a day or every other day. Happened earlier when I got up from the PC to leave the room. *I've reinstalled Windows at least twice, reinstalled drivers countless times dealing with the auto-update in Windows 10. Happens on newest Crimson drivers and legacy drivers. Use GPUZ and watch your GPU core temp and VRM temps. Easily reproducible. Title: Re: Screen Goes Black - No Signal Post by: MrN1ce9uy on May 25, 2017, 02:39:16 AM Core temp stays around 59C, the case has excellent air flow, 2x 120mm intake, 2x 120mm exhaust. I don't believe it's from overheating. That particular GPU was in a different system with much less air flow with higher temp around 72-78C and never happened. I'll swap another GPU in to see if it happens again.
Title: Re: Screen Goes Black - No Signal Post by: ShallowR on May 25, 2017, 02:45:48 AM Core temp stays around 59C, the case has excellent air flow, 2x 120mm intake, 2x 120mm exhaust. I don't believe it's from overheating. That particular GPU was in a different system with much less air flow with higher temp around 72-78C and never happened. I'll swap another GPU in to see if it happens again. What about the gpus' VRM temps?The core typically has thermal paste on a sink, but often the VRMs have a piece of thermal padding. these are sufficient for gaming and common graphical purposes. Title: Re: Screen Goes Black - No Signal Post by: MrN1ce9uy on May 25, 2017, 11:20:47 PM VRM temps stay the same as the core temp, never went above 62C today. Just messed around on the system browsing the web and such, left the room to come back to the black screen again today. Numlock was on, it would not go off; meaning the system was locked up. I believe it's the motherboard. I've already requested a refund.
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