Thanks for the bug report. The first problem I can see here is that you
are using graphics packages from the 'oibaf' PPA which are unsupported
and often buggy.

Please remove that PPA using 'ppa-purge', reboot, and then if the
problem continues please open a new bug.


** Changed in: xorg-server (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1942883

Title:
  dont work laptop screen on intel uhd 620

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