Ubuntu tweak for ThinkPad t430s

Sometimes my Ubuntu behave really strange:

And it seems like there is the same solution for both of problems:

$ sudo mkdir /etc/X11/xorg.conf.d/
echo -e 'Section "Device"\n Identifier "Card0"\n Driver "Intel"\n Option "AccelMethod" "uxa"\nEndSection' | sudo tee /etc/X11/xorg.conf.d/20-intel.conf

(got this according to answer on AskUbuntu).

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