Radeon 6870 HDMI Full-Screen Artifacts

Psykick · Jun 29, 2013

So title says its all. I currently have a setup with two monitors with one plugged into the DVI port and my main display plugged into the HDMI port. When I play some games like Battlefield 3 in full screen mode I get weird artifacts and colors like this:

However, in windowed mode, or when I plug the main display back into the DVI port, everything renders fine. It doesn't do this for every game but it is quite annoying having the rearrange the cables every time I want to play BF3. I am running the latest drivers and everything. Any ideas?

System specs:

OS: Windows 8 Pro w/ Media Center x64
CPU: AMD FX 8320 @ 3.8 GHz
GPU: Radeon HD 6870 (Gigabyte)
Mobo: Asus 5A97
Storage: 240GB Sandisk Extreme + 1 TB WD Black HDD
RAM: PNY 8GB (1333 MHz)
PSU: PC Power and Cooling 750W

anything4this · Jun 29, 2013

Try messing with the AI setting in CCC, or older drivers

Psykick · Jun 29, 2013

anything4this :

Any suggestions as to what settings to enable/disable? I've tried messing with 3D Application Settings and disabling AMD OverDrive so far. I just don't understand why it would work with DVI or in windowed mode and strictly only show artifacts in full screen.

anything4this · Jun 29, 2013

http://i65.photobucket.com/albums/h228/potatochobit/driver.jpg

Try all three settings for Catalyst AI

Oh also try underclocking the card to its half, to see if the power supply is an issue

Psykick · Jun 29, 2013

anything4this :

Tried all three, still the same thing. Also underclocking it didn't help either :/

anything4this · Jun 30, 2013

Odd,

Uninstall the drivers,
Use driver sweaper: http://www.guru3d.com/content_page/guru3d_driver_sweeper.html
Install a different version of the radeon drivers (older or newer)

If not helped, then set the fan speed to 100% and see how it does a few minutes later after temps have dropped

Psykick · Jul 1, 2013

anything4this :

Ok, so it seems as if HDMI has a problem with displaying in Full RGB. I think thats the problem because when I switch the pixel from YCbCr to RGB it displays the same rainbow screen.

anything4this · Jul 2, 2013

Psykick :

Makes sense in hindseight! Fixed then? (there are new beta drivers if you want to try)

1. Idk if its available, but you can attempt to disable deep color support (I think its just setting to 32bit color mode rather than 48bit, or even 16 just to attempt)

2. Also try limited RGB

3. Try changing to a lower resolution and see if it fixes it (if it does try another hdmi cable)

Psykick · Jul 2, 2013

anything4this :

Psykick :

Makes sense in hindseight! Fixed then? (there are new beta drivers if you want to try)

1. Idk if its available, but you can attempt to disable deep color support (I think its just setting to 32bit color mode rather than 48bit, or even 16 just to attempt)

2. Also try limited RGB

3. Try changing to a lower resolution and see if it fixes it (if it does try another hdmi cable)

None of those three worked again...I'm starting to think its just a driver problem and I might just have to wait until AMD decides to do something about it...

I've just decided to forgo HDMI and do a dual monitor setup with just DVI which seems to have solved the problem

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