Public bug reported:
After applying the latest updates for focal yesterday and rebooting, the
internal display of my laptop is no longer usable. Only a noisy, snowy
image can be seen on the display. An externally connected display still
works.
I can reproduce this behavior on 2 laptops:
TUXEDO Pulse 14 - Gen1
AMD Ryzen 7 4800H
ThinkPad T14s AMD Gen 1
AMD Ryzen 5 Pro 4650U
** Affects: ubuntu
Importance: Undecided
Status: New
** Attachment added: "PXL_20220118_153746678.jpg"
https://bugs.launchpad.net/bugs/1958343/+attachment/5555365/+files/PXL_20220118_153746678.jpg
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https://bugs.launchpad.net/bugs/1958343
Title:
Internal monitor of AMD based laptop not working after update
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