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I have latest ubuntu release (20.04) with gnome fallback session. After reboot I got all letters scrambled. On desktop, in terminal, in explorer all files have only first four letters. I don't know how to describe it better. In firefox it's alright, menus have all letters.

It's like that: enter image description here

Update: I tried solution from that page: https://forums.linuxmint.com/viewtopic.php?p=1996836

I did: sudo ppa-purge -d focal ppa:oibaf/graphics-drivers

Result: I can not get to Ubuntu any more...it's stuck on boot, just like in my previous thread: Ubuntu 20.04 stuck on boot

Mersault
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  • What version of Ubuntu? Both 20.04 and 20/10 can be called the latest. – David Apr 03 '21 at 10:50
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    I can not check in my system settings, because words have only 4 letters... – Mersault Apr 03 '21 at 15:40
  • Well you can once this is fixed. Just keep that in mind for any future questions. – David Apr 03 '21 at 15:47
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    Others are also having this: https://askubuntu.com/questions/1328152/ubuntu-20-04-text-splitting-and-screen-flickering and https://askubuntu.com/questions/1329037/after-software-update-text-display-only-4-letters – Levente Apr 04 '21 at 02:55
  • Also this: https://askubuntu.com/q/1328697/1157519 – Levente Apr 04 '21 at 13:33
  • You can have an entirely functional command line to work on by using a virtual console. If you have GDM3 then the virtual console is Ctrl+Alt+F3, and can return back to the graphical session with Ctrl+Alt+F2. If you have lightdm, subtract 1 from the F keys, correspondingly. – Levente Apr 04 '21 at 13:35
  • I tried commands from the above link, but did not help. I also have Radeon graphic card...the link in french I can not understand – Mersault Apr 04 '21 at 17:04
  • Now, to continue with repair attempts, you will need to use either a "safe graphics mode" (by editing the boot entry in the Grub menu (press `e` while it's highlighted) before pressing Enter on it (and adding the `nomodeset` param (before the part that says "quiet splash"))). All the while you are doing this, keep an eye at the text at the bottom of the Grub screen: it contains instructions. Or, alternatively, one could also use the "recovery mode", and its "drop to root shell" feature: https://wiki.ubuntu.com/RecoveryMode – Levente Apr 04 '21 at 18:13
  • Adding nomodeset doesn't help...I'm still stuck at boot...I can get terminal with CTRL-ALT-F3...problem is I can't install xserver-xorg-video-nouveau because of unmet dependencies (broken packages) xorg-video-abi-24 and xserver-xorg-core. I tried to install dependencies, but could not... – Mersault Apr 04 '21 at 19:10

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I solved problem just like I did in the "stuck on boot" thread...I removed packages that were dependencies for xserver-xorg-video-nouveau, installed them, installed xserver-xorg-video-nouveau and instaled gdm3.

Mersault
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