Question SAPPHIRE RX VEGA 56 BLACK SCREEN

Apr 24, 2019
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Hello, I'm new here and I need help with an issue with my vega 56.

About 2 months ago, I bought my vega 56, although the rest of my new pc. When I do undervolt/overclock it does a black screen and in 10 secs. it works again, but the game/app I was using closes.

Also the display sound (also with headphones connected to it) disappear. It doesn't even matter what kind of undervolt or overclock I do, I can reduce 1mv and it still crashing, also with the automatic undervolt. I have the latest radeon drivers, the v19.4.3.

I reallly I don't know what to do... Will be really helpful if anyone can help me with this....

Thanks, regards!

PS: My PSU is an EVGA GQ 650w 80 plus gold...
 
Apr 24, 2019
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Hello, sorry for the time, I'm still getting that issues, but i tested my settings on furmark around 1h and it doesn't crash... It crashes when I'm playing, 10/20/30min and pum, bye, and restart windows... When it crashes says the popular "wattman settings have been restored due to an unexpected system failure"

This are my specs:
CPU: Ryzen 5 2600 at 4ghz 1.25mv
Motherboard: ASUS ROG Strix B450-F
Ram: Corsair Vengeance RGB PRO 16gb 8x2 3000mhz
SSD/HDD: A 250gb toshiba's one (ssd) and 1tb seagate (hdd)
GPU: SAPPHIRE PULSE RADEON RX VEGA 56
PSU: EVGA 650W GQ 80+ gold
Chassis: Enermax Saberay
OS: Windows 10 home
 
May 3, 2019
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Hey,
I'm having similar issues and I also have a similar system:
Cpu: ryzen 2600x
MOBO: MSI B450 Tomahawk
Ram: G.Skill Aegis 3000MHz CL16 Gaming series 8Gb x2
SSD/HDD: A 250gb kingston (ssd) and 1tb Western digital blue 7200rpm(hdd)
GPU: MSI RADEON RX VEGA 56 AIRBOOST 8G OC
PSU: chieftec smart 600w (gps-600A8)
OS: win 10 Pro

There are some differences, my system is not overclocked and I have an MSI vega56 but I keep getting the same issue the card just falls apart under load. Gaming, rendering anything that stresses the gpu. After about 1 hour of load the screen turns black and the fans rev up to max. Then I have to restart the pc manually to fix it.

I tried undervolting and reinstalling the drivers to no avail. I've actually written to the company I got the card from cause I suspect it is faulty.

Update:
I'm upgrading my psu tomorrow to a 750w seasonic unit. I'll let you know if it had fixed my issues. MSI recommends a 650w psu for this card. for the pulse radeon you have Sapphire's website recommends a 750w psu so that may be the problem.
 
Last edited:
Jun 28, 2019
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I know it's been a few months, but have you been able to get a stable Vega 56 setup going?

I had a similar issue where a recently purchased Sapphire Pulse model was blacking out then prompting a message saying that something went wrong and the Radeon settings have been reset to default. I thought it was an unstable power issue too and got a Seasonic Focus+ 650W modular but I still had problems.

I bought it through Amazon so it's a easy return, but I wasn't sure if I should try another Vega 56 or if I should switch to team green and get a 2060 considering the fact that I hear it is harder to find a Vega 56 with Samsung memory nowadays.

Thanks in advance.
 
May 3, 2019
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Hey,

I actually had it sorted out about 2 weeks ago. I had an MSI Vega56 which was giving me trouble, I ended up buying a sapphire pulse 56 which is working fine without any problems from day 1.
I originally bought it to test if it is something with my system setup, but apparently the MSI card was somehow defective.
I sent back the MSI card to get an RMA (as MSI tech support suggested), the shop tested it for days on without supposedly any problems. They ended up refunding me due to some "coil whine" which they could qualify as a factory defect. However they couldn't reproduce the issue which I was facing daily.
Baffling thing is my sapphire card is working perfectly ever since. So I honestly cannot figure out what was wrong with the MSI card.

I'd say if you can get an RMA and you like this card try to give another one a shot. Or if you are tired of messing with it then there's always the green team or the new 5700 series cards.

Hope you can get it sorted out.
 
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