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290/290X Black Screen Poll - Page 97

Poll Results: Do You Black Screen?

This is a multiple choice poll
  • 43% of voters (147)
    Stock Clock Elpdia UEFI?
  • 18% of voters (61)
    Stock Clock Elpdia LEGACY?
  • 14% of voters (48)
    Stock Clock Hynix UEFI?
  • 5% of voters (18)
    Stock Clock Hynix LEGACY?
  • 18% of voters (62)
    Over Clock Elpdia UEFI?
  • 8% of voters (27)
    Over Clock Elpdia LEGACY?
  • 7% of voters (26)
    Over Clock Hynix UEFI?
  • 5% of voters (20)
    Over Clock Hynix LEGACY?
337 Total Votes  
post #961 of 1600
Quote:
Originally Posted by MTDEW View Post

I'd like to say THANK YOU!
You nailed my Black Screen problems on the money!

Symptoms
1: Black screen on cold boot.
2: Random Black Screen while at desktop / browsing web / youtube
3: No Black Screen Issues while gaming.

Solution
1: Upped my core voltage +25mV using MSI AB.
This upped my VDDC to 1.008V at idle and stabilized the Memory controller for those jumps from 300/150 to 450/1250 at the desktop and now no more Black Screens.

I still occasionally see one on cold boot if it happens before Windows and AB loads to set the new voltage.

So a better solution would be to be able to edit the bios and set the new voltage manually, that would fix my problem permanently.

But for now, this works 100% for me.

THNX thumb.gif

I have the same exact issue so I'm going to try your solution. Any chance that these BIOS could help us for a more permanent solution? https://litecointalk.org/index.php?topic=12830.msg125148#msg125148
post #962 of 1600
Quote:
Originally Posted by Dmented View Post

I have the same exact issue so I'm going to try your solution. Any chance that these BIOS could help us for a more permanent solution? https://litecointalk.org/index.php?topic=12830.msg125148#msg125148
I doubt it.
Stilt's modded bios's are usually optimized for mining and generally hurt gaming performance.
But i see what you mean, it probably couldn't hurt to try one, since he does mention a default 37.5mV offset.

I cannot, since my card is now boxed and being RMA'd.
As many others, I thought i had my problem solved using a different bios, but today the thing Black Screened again on cold boot.
It took me 3 hard resets to get to finally see my desktop.
Made me so mad, I contacted Sapphire this morning and filled out a support ticket and got my RMA number this afternoon. (they were fast to respond)
It's going back to Sapphire in the morning.

What I don't get is we see Stilt modding R9 290 bios's, and then there's the PT1/PT3 modded bios's out there.
Yet I can find no tools or info whatsoever on modding the bios myself.

So how are THEY modding the vbios on these GPUs?

BTW: Yeah upping the vcore does cure the problem.
But you can still get black screens loading the desktop on cold boot if it happens before afterburner gets a chance to load and set your new voltage.
Edited by MTDEW - 6/10/14 at 9:51pm
post #963 of 1600
Quote:
Originally Posted by MTDEW View Post

I doubt it.
Stilt's modded bios's are usually optimized for mining and generally hurt gaming performance.
But i see what you mean, it probably couldn't hurt to try one, since he does mention a default 37.5mV offset.

I cannot, since my card is now boxed and being RMA'd.
As many others, I thought i had my problem solved using a different bios, but today the thing Black Screened again on cold boot.
It took me 3 hard resets to get to finally see my desktop.
Made me so mad, I contacted Sapphire this morning and filled out a support ticket and got my RMA number this afternoon. (they were fast to respond)
It's going back to Sapphire in the morning.

What I don't get is we see Stilt modding R9 290 bios's, and then there's the PT1/PT3 modded bios's out there.
Yet I can find no tools or info whatsoever on modding the bios myself.

So how are THEY modding the vbios on these GPUs?

BTW: Yeah upping the vcore does cure the problem.
But you can still get black screens loading the desktop on cold boot if it happens before afterburner gets a chance to load and set your new voltage.

Yeah I had one of those today. Black screen before Windows even loads. First one in about a week though, it's weird how it (for me at least) happens nearly everyday then it will stop for a few days maybe and return again.

I might give them BIOS a try at some point.
post #964 of 1600
Quote:
Originally Posted by Dmented View Post

I have the same exact issue so I'm going to try your solution. Any chance that these BIOS could help us for a more permanent solution? https://litecointalk.org/index.php?topic=12830.msg125148#msg125148
I should add that I think your idea is a good one and has sound reasoning since it will permanently add more voltage to the card.

I really wish i wouldn't have boxed my card already or i WOULD be trying that bios you linked.

I've never mined with my R9 290, so I never tried one of Stilts bios's on it.
So i can't say for sure they hurt gaming performance, I only know that others posted that it did.

So if I could, I would try it and run some benchmarks and see for myself.

But I taped the crap outta that RMA box, and I'm not undoing it now. biggrin.gif
post #965 of 1600
Quote:
Originally Posted by Dmented View Post

Yeah I had one of those today. Black screen before Windows even loads. First one in about a week though, it's weird how it (for me at least) happens nearly everyday then it will stop for a few days maybe and return again.

I might give them BIOS a try at some point.
Quote:
Originally Posted by Dmented View Post

I have the same exact issue so I'm going to try your solution. Any chance that these BIOS could help us for a more permanent solution? https://litecointalk.org/index.php?topic=12830.msg125148#msg125148
Ok, I couldn't help it.
I opened my card and tried that bios.
And I blame you, you made me do it! biggrin.gif

Here are the results...
1: Uninstalled CAT 14.6
2: used DDU to ensure all drivers were removed for a clean install
3: Flashed the card to the stilt 290 bios you linked
4: got to desktop without video drivers yet and GPUZ reported a 1.008v VDDC voltage, which was greater than my old 0.977v
5: Installed CAT 14.6 and they seemed to over-ride the voltage a bit and it now reported 0.992v (still better than before at 0.977v)
6: Installed MSi AB and it reported a +38mv by default
7: So far so good, got more idle voltage just like we wanted
8: Ok, so i tried the Valley benchmark.....NOT GOOD!

Default bios with CAT 14.6 / default clocks 947/1250
FPS - 56.4
Score - 2359
Min - 20.9
Max - 106.9
Stilt bios with CAT 14.6 / default clocks 947/1250
FPS - 40.4
Score - 1691
Min - 22.7
Max - 76.5

So back in the box it goes.

There is certainly something different about that Stilt modded bios than just voltage and memory timings.

Maybe try contacting Stilt and see if he can mod just the voltage on your bios for you.

For me, I'm sticking to my RMA.
It just sucks I'll loose my card for a week or more. mad.gif
Edited by MTDEW - 6/10/14 at 11:59pm
post #966 of 1600
DO NOT use the stilt bios for gaming, it is designed for mining ONLY. He shuts down part of the gpu to save power/heat hence your low FPS.

The bios voltage can be edited but it needs to be done via hex edit to my knowledge as there is no GUI bios editor for the 290s. I can try and dig up the how to on this if you like. Essentially you search the bios for the string that matches your VID and then change it if I remember correctly.

Those that are getting consistent black screen before windows loads the catalyst drivers, I'm willing to bet you have corrupted catalyst control center. I worked this out by booting into safe mode (fine), starting catalyst would instantly black screen. Mine was caused by excessive overclocking which corrupted my catalyst config files (I think). Clear the profiles found here C:/Users/Username/AppData/Local/ATI/ACE in safe mode.

Also make sure to disable ULPS and make sure you check regedit that all ULPS entries are in fact disabled. Ultra low power state appeared to have some affect on my black screens as well. Once I disabled this and upped the voltage slightly I had no black screens at stock clocks. I would still black screen at ANY overclock on idle even though I could game for days, made no sense to me.
Edited by xliquidx - 6/11/14 at 12:26am
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CPUMotherboardGraphicsRAM
4770k @ 4.5GHz ASUS Maximus VI Hero  Gigabyte GTX 970 G1 Gaming SLI 16GB G.Skill Trident 2400 @ 9-10-12-28 1T 
Hard DriveHard DriveOSMonitor
Samsung 840 Pro Crucial C300 Windows 8.1 64bit QNIX QX2710 @ 96Hz 
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post #967 of 1600
Quote:
Originally Posted by xliquidx View Post

DO NOT use the stilt bios for gaming, it is designed for mining ONLY. He shuts down part of the gpu to save power/heat hence your low FPS.
LOL, i just read that over on the [H]ard forums and was about to edit and add it to the bottom of my post.
That explains that.
Thanks for the info....+rep thumb.gif
Edited by MTDEW - 6/11/14 at 12:17am
post #968 of 1600
Quote:
Originally Posted by xliquidx View Post

.

Those that are getting consistent black screen before windows loads the catalyst drivers, I'm willing to bet you have corrupted catalyst control center. I worked this out by booting into safe mode (fine), starting catalyst would instantly black screen. Mine was caused by excessive overclocking which corrupted my catalyst config files (I think). Clear the profiles found here C:/Users/Username/AppData/Local/ATI/ACE in safe mode.
Not here, it does it with no overclock at all.
And even doing a clean install of just the drivers without CCC , it does it.

I test with a clean install of Windows 7.
I keep an Acronis image of a clean install of just windows 7 that has never had any GPU drivers installed for testing/troubleshooting.
It comes in real handy and only takes 5min to restore the clean image with my SSD.
post #969 of 1600
Quote:
Originally Posted by MTDEW View Post

Not here, it does it with no overclock at all.
And even doing a clean install of just the drivers without CCC , it does it.

I test with a clean install of Windows 7.
I keep an Acronis image of a clean install of just windows 7 that has never had any GPU drivers installed for testing/troubleshooting.
It comes in real handy and only takes 5min to restore the clean image with my SSD.
How bizarre. In your case maybe it is truly related to a low VID voltage.
Does the computer appear to freeze when it does it? or can you still switch numlock etc
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post #970 of 1600
Quote:
Originally Posted by xliquidx View Post

How bizarre. In your case maybe it is truly related to a low VID voltage.
Does the computer appear to freeze when it does it? or can you still switch numlock etc
Its not "exactly" the low vid, as we found out in this very long thread.
It's that the card doesn't jump the voltage up fast enough to the IMC while switching memory clocks higher.
I'll just quote the info here to give credit to Falkentyne who explains it best.

note: This is the cause / issue if it happens at default clocks in 2D mode only while at the desktop/web browsing or on cold boot....not in 3D mode..gaming/benchmarking.

You can clearly see what he is explaining if you open GPUZ and watch the VDDC voltage and core/mem clocks while browsing or watching a youtube video.
You'll see the memory jumps to full speed/clocks, but the core doesn't, so the gpu doesn't up the voltage enough for the internal memory controller to handle the memory jumping to full speed/clocks.
This is because the core/IMC use the same voltage and the memory is jumping to full clocks while the IMC is still using the 2D core voltage.

And some cards simply cannot handle instantly jumping to full memory clocks at the low 2D voltage...
Now whether that is the memory itself or the IMC is debatable IMO, since Hynix ram seems to be less effected than Elpida....or maybe they use different IMCs also.
Quote:
Originally Posted by Falkentyne View Post

I explained this before.
This black screen from power transitions occurs because the memory clock jumps up to full speed (1250, etc), while the GPU voltage (which also controls the IMC--this is the problem) is STILL running at idle volts of 0.9xxx). That idle voltage is too low to handle the IMC, which is controlling the memory running at that speed (this is NOT due to defective memory modules btw), and thus the card black screens.

Another test you can do, to see (usually a few MHz beyond tho) where you will black screen, is to either run the refresh rate at 144 hz (only possible on 144 hz monitors) or find a way to LOCK the memory (and ONLY the memory) at the full 3D speeds, WITHOUT having the core running at 1000 or 947 MHz or whatever the default 3D speeds are) with the idle voltage at 0.9xx. If you can manage that, you should see massively flickering lines on the desktop, without black screening, since you will already be at a high power memory clock, instead of transitioning from 150 MHz to it.

The fix, as you found out, is to increase the GPU voltage, which ALSO increases the idle voltage to the IMC as well. (previous generation cards used separate voltages for idle clocks and 3D). This Is purely a bios/design problem. The IMC should NEVER be running at 0.9xx when the memory jumps to full speed, or, alternatively, there should be 'lesser' memory speed jumps, for when a light load is put on the GPU, so the memory doesn't jump from 150 MHz to 1250, but instead it could be 500 MHz for a very light load (like when the core goes from 300 to 450 MHz), etc.

Edited by MTDEW - 6/11/14 at 1:30am
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