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The RX Vega 64 Owners Thread
- Thread starter Kaapstad
- Start date
Hey
Just picked up a Vega 64 and had no display detected, Hope its as I only have a 650w psu so have ordered a better one to hopefully solve my issue.
650w is fine, that's what I'm using.
Couldn't get mine to work everything powered up lights fans but got no display tried all the ports. Rx 480 works fine.
Thought get a bigger psu as on box its recommends 850w
Question for Vega 64 owners about idle behaviour. I currently have a Sapphire nitro one and when I leave my pc for a while and it goes to the windows lock screen (WIN + L) or the monitor goes into standby, the clocks shoot up to ~1000MHz (GPU) and 800MHz (HBM). I know this because I left GPU-z running in the backgound after noticing a small whine while away from the PC which stops as soon as I log back in. Is this normal/do others experience the same?
Associate
Are you on the latest bios version for your motherboard?
Soldato
Follow the following steps
a) use DDU in windows safe mode.
b) wipe all GPU drivers including Nvidia, Intel and AMD (select each one and do a clean up without reboot except the last one)
c) use ccleaner to fix the registry, it should clear around 150 entries minimum.
d) install 18.11.1
Let us know how it goes
In general your behaviour is weird as the card idles to 35-40Mhz until something that uses it kicks in. Can you find what process was using the GPU?
Hey
Just picked up a Vega 64 and had no display detected, Hope its as I only have a 650w psu so have ordered a better one to hopefully solve my issue.
Welcome and on TROH.
Hope you get the card running soon.
The Roll of Honour.
Date 18/11/2018, Make Sapphire Nitro, Subruti, Link
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To get on the Roll of Honour all you have to do is post a pic with your user name on it of your Vega 64.
For normal use, browsing the web etc, it does idle in the expected low range. It's only specifically when the on the lockscreen or monitor in standby that clocks shoot up and GPU-z shows zero activity. I'll try DDU and report back
Soldato
Yeah follow my steps. I locked my screen last night when writing the post, and GPU was snoring at 35mhz.
DDU in safe mode doesn't seem to have worked, I tried three times. From the screenshot, the clocks are high when on the lock screen but drop as soon as I log back in. Am I right to assume that this is a software issue though and not a hardware one?
Soldato
DDU in safe mode doesn't seem to have worked, I tried three times. From the screenshot, the clocks are high when on the lock screen but drop as soon as I log back in. Am I right to assume that this is a software issue though and not a hardware one?
Download MSI AB and install it. Turn off GPUZ.
Restart the PC. Open MSI AB and lock the PC screen. leave it for a bit and go back to it. Observe the usage.
And just a sanity check. You are not using any screensaver yes?
Caporegime
Could be a driver problem that.
Caporegime
DDU in safe mode doesn't seem to have worked, I tried three times. From the screenshot, the clocks are high when on the lock screen but drop as soon as I log back in. Am I right to assume that this is a software issue though and not a hardware one?
Have you tried any earlier drivers ?
Permabanned
well it's in .. was going to wait ... all I can say is wow .. the fan noise .. so loud ..r290 was on water .. can't say i like the sound ..
Soldato
- Joined
- 6 Feb 2010
- Posts
- 14,582
The speed of the fans run at are dependent on the target temp you set in the Wattman; if you make the target temp higher, then obviously the fans will spin slower and quieter. Also you definitely need to look into undervolting the GPU, as the stock voltage of 1200mv is just too high; I can drop the voltage down to 1150mv (and with +50% power limit) and still overclock the core clock to 1667MHz stable.
You could probably even drop the voltage down to 1000mv if you underclock the card even further. You may lose 2-4fps here and there, but it will run much cooler and quieter.
Also another thing to note you case should ideally be good as removing the heat inside the case efficiently, or otherwise the heat from card will build up quicker inside the case than your case can exhaust it, while in turn leads to higher temp for you card and CPU thus coolers fans spin even faster and louder.
Soldato
Use the settings posted on the previous page otherwise open Wattman, set FPS limit to your max refresh rate.
Then go to overclocking section select custom and cut 70mv from P6 & P7 states. Set Target temp 60-65C and raise PL to 25-30%.
god damn i only got a evga 750p2 psu ....surely that should ok should'nt it?????
Caporegime
DDU in safe mode doesn't seem to have worked, I tried three times. From the screenshot, the clocks are high when on the lock screen but drop as soon as I log back in. Am I right to assume that this is a software issue though and not a hardware one?
https://www.amd.com/en/support/kb/release-notes/rn-rad-win-18-11-1
Known Issues
- Radeon Overlay may not appear when toggled on systems with multiple displays when Battlefield™ V is running.
- Some systems running multiple displays may experience mouse lag when at least one display is enabled but powered off.
- Radeon RX Vega Series graphics products may experience elevated memory clocks during system idle.