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btownninja
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Posts: 20
Registered: ‎10-24-2018
Location: US
Views: 334
Message 1 of 3

A485 - AMD Kit Driver 25.20.1401.6.1 Distorted Display with Dock 40AJ0135US

On two different A485, I get massive display lines/artifacts when running on the latest AMD Kit Driver 25.20.1401.6.1. The distortion and display lines are so bad, it's unusable. When I rollback to previous version of the driver, it corrects the issue.

 

I'm using the HDMI output on the dock to send to a 3840x2160@60hz 4:4:4rgb 8bit display. Lowering the resolution doesn't seem to correct the issue. I've also tested on a 1080x1920@60hz 4:4:4rgb 6bit display and the issue percsists. 

 

btownninja
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Posts: 20
Registered: ‎10-24-2018
Location: US
Views: 274
Message 2 of 3

Re: A485 - AMD Kit Driver 25.20.1401.6.1 External Display Artifacts

I don't believe I can edit the title, but it appears to be on any external display, not just via the dock. 

 

I've tested with both USB-C ports as well as the HDMI port directly. Each of these was testing with 3 different external displays. When senidng any display out via the new drivers, it displays lines accross the screens randomly/constantly. They are flashing all the time in the image below. It's not the same areas of the screern each flash either.

 

 

 

 

btownninja
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Posts: 20
Registered: ‎10-24-2018
Location: US
Views: 233
Message 3 of 3

Re: A485 - AMD Kit Driver 25.20.1401.6.1 External Display Artifacts

Just an update, this is still an issue with the new AMD radon settings panel.

If I reboot the computer after changing displays, the lines go away. If I change my external display type (windows + P) it introduces the issue on the external display.

This is extremely annoying and needs to be fixed. I've done everything from a clean install of the AMD drives to even a clean install of Windows. This wasn't an issue on the old drivers, but I don't have copies of those anymore.

I have been dealing with the thermal throttle 'issue', but this is unacceptable.

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