Screen Distortion

Help with issues regarding installation of Debian

Screen Distortion

Postby Baltus » 2019-09-19 20:59

Hello,

After installing Debian 10 with MATE (non-free) iso I encountered screen distortion that made the installation unusable. That was about a month ago. A couple of days ago I tried to install MATE again, I miss it from my days of using Linux Mint MATE. Again, I saw a severely distorted screen. I don't have a lot of experience fixing graphical glitches like this one. Clicking on the screen makes the distortion worse.

This problem doesn't occur on Debian 10 with Gnome, Gnome Classic, KDE, or Cinnamon.

I've included a screen shot: https://ibb.co/XVnfbmb

These are my specs:
Debian 10.1 (x86-64)
i7-7700 CPU @ 3.60GHz × 4
AMD Radeon RX Vega 56
Last edited by Baltus on 2019-09-21 17:06, edited 1 time in total.
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Re: Screen Distortion

Postby None1975 » 2019-09-20 11:37

Hello. Please, check this

https://wiki.debian.org/AtiHowTo
OS: Debian 10.1 Buster / WM: fvwm
Debian Wiki | DontBreakDebian, My config files in github
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Re: Screen Distortion

Postby Baltus » 2019-09-21 02:24

Hello,

I should probably have mentioned that my mesa drivers are up to date.

I also want to reiterate that the problem initially occurred a month ago with a clean install on the Debian 10 MATE iso, so I don't think it is the result of any tinkering I have done with Debian since I installed it on my pc.
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Re: Screen Distortion

Postby Baltus » 2019-12-02 09:45

Fixed by installing mate-tweak
Set HiDPI to Regular
Set Windows manager to Macro (Compton GPU compositor)
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Re: Screen Distortion

Postby stevepusser » 2019-12-02 22:25

You still have not said if you installed the necessary firmware.
Code: Select all
apt policy firmware-amd-graphics
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