try adding the ibt parameter:
open this file:
kate /etc/default/grub
and in this line: GRUB_CMDLINE_LINUX_DEFAULT inside the quotes add this parameter:
ibt=off
dont remove anything from there!, just add it to existing parameters, save the file, update grub:
sudo update-grub
reboot and try switching…
but i dont think it will help, but give it a try anyway
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