OVerdrive underclocking 2d and screen tears

Mitch Miller · Apr 7, 2013

I have the same issue as here. But this solution no longer works. maybe catalyst works different now. My 5770 drops from 400 mhz to 157 MHZ 2D once I attempt to overclock it. As soon as it does I get screen tearing. I have tried afterburner and several other solutions to this problem but nothing works. Anyone else resolve this problem? I thought about buying a new GPU but scared I will have the same problem on any AMD card. Or maybe there is a way to disable the powersaving feature and make the card run at full clock speed all the time.

http://www.tomshardware.com/forum/281111-33-overdrive-underclocks

bak0n · Apr 7, 2013

Try the beta driver. 13.1 is really buggy.

thor220 · Apr 7, 2013

This issue is only present in the 5000 series. I have had the issue and the only way to fix it is to flash the bios, which can be very risky.

Mitch Miller · Apr 7, 2013

Mitch Miller :

bak0n :

I just tried this.. Same thing

Thanks for the suggestion. Looks like this issue has been around for years. I cant believe there is nothing you can do to correct it. Even 1 mhz overclock immediately causes it.

bystander · Apr 7, 2013

Do you run with multiple monitors? Normally those low clocks wouldn't cause tearing unless you have multiple monitors hooked up. I remember having the same issues 1-2 years ago, but I found going back to some older drivers fixed it. Though the best solution is just not to use Overdrive, and instead use MSI afterburner.

thor220 · Apr 7, 2013

Yeah just look at the clocks in MSI afterburner and you will see them spike around. You can see your cards settings with RBE tool and edit them. This issue is caused by the change in memory clocks between 2d and 3d mode.

Mitch Miller · Apr 7, 2013

Mitch Miller :

bystander :

Yeah. I have the HDMI out to my TV that I occasionally use. Can I just unplug it? As for using Afterburner.. I think it integrated with overdrive. Uninstall Overdrive? Maybe Ill reinstall that and see what I can do with it.

Ty guys for any help. Its really annoying and I have been trying all week to fix it since (re)building this new setup.

Mitch Miller · Apr 7, 2013

Disabled overdrive. Afterburner did the exact same thing

Mitch Miller · Apr 8, 2013

thor220 :

I flashed the bios to 400 and 900 on clock info 1 , same as clock info 3. Scrolling artifacts are gone! That is awesome. Ty!!!! Still have artifact tearing on the bottom of the screen. Going to work on that now.

thor220 · Apr 8, 2013

Mitch Miller :

thor220 :

I flashed the bios to 400 and 900 on clock info 1 , same as clock info 3. Scrolling artifacts are gone! That is awesome. Ty!!!! Still have artifact tearing on the bottom of the screen. Going to work on that now.

Awesome to hear some success as it worked for my 5850.

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