19.10 Screen Disrupt and sometimes black screen with SS

Asked by Huseyin ISIK on 2020-02-08

Hello. I updated Ubuntu from 19.04 to 19.10. But I am constantly experiencing distortions on the screen. These distortions can appear when I take a screenshot.
However, sometimes the computer switches to a black screen and there is only a pointer on the black screen. As soon as it changes to the black screen, I have to restart the computer.
I couldn't solve these two problems.
Also my bluetooth devices wont work on ubuntu. Sometimes that will connect and wont play the sounds. Sometimes wont connect.
My laptop is 'Lenovo Thinkpad E585 20KV000ATX'
Example screenshot of screen distirtion: https://imgur.com/avwJlxJ

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If you reset the BIOS to failsafe defaults does it help any?

Huseyin ISIK (byhsyn34) said : #2

No. it wont help. I tried.

I also suggest you test your RAM health. We need to isolate the possibilities

Huseyin ISIK (byhsyn34) said : #4

I solved with screen distruption this solution.

git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
cd linux-firmware/
sudo cp -va amdgpu/ /lib/firmware/
sudo update-initramfs -u
But when the pc get sleep wont wake up again. i see only black screen and i have to restart my pc.
Also my pc has two os windows and linux. This problem only occure on Linux Ubuntu 19.10 OS.

If you press CTRL + ALT + F1 to see the CLI, then press CTRL + ALT + F7 is it OK?

Also, what is "SS" please?

Huseyin ISIK (byhsyn34) said : #7

Screen Shot

Does the 2 key combinations help at all?

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