включаю, заставка рабочего стола. перешел в консоль
sudo aticonfig --px-dgpu
no layout section was found in the file 'etc/X11/xorg.conf'
please run 'aticonfig --initial' first or modify your configuration file manually and run aticonfig again aticonfig parsing the command-line failed
sudo aticonfig --initial
unitialised file found, configuring
using etc/X11/xorg.conf
saving back-up to etc/X11/xorg.conf.original-1
sudo aticonfig --px-dgpu
powerxpress: discrete cpu is selected (high-perfomance mod), prease restart xserwers) forchanges to take effect
sudo shutdown -r now
перезагрузка, консоль
sudo aticonfig --px-dgpu
powerxpress: discrete cpu is selected (high-perfomance mod), prease restart xserwers) forchanges to take effect
перезагрузка, консоль
кажется переключалка сработала, проблема в драйверах