gnome - After crash I'm unable to arrange combined displays and trackpad settings are not visible - Ask Ubuntu


i upgraded 16.10 few days ago , had total freeze on system; unresponsive cursor, couldn't exit x , had force shutdown vi power button. after have been experiencing problems dual display setup don't allow arranging them. instead system logs out.

furthermore touchpad settings not visible longer , cannot change scrolling method natural scrolling. dconf editor (under org> gnome> desktop> peripherals> touchpad) states natural-scroll setting enabled though. scenario similar this. i've got xserver-xorg-input-synaptics installed instead of libinput.

ubuntu gnome 16.10 running on 13" macbook 5,1 (2009)

i found problem being both libinput , synaptics drivers present. i've deleted synaptics driver it's legacy , got libinput instead:

sudo apt install libinput-bin & xserver-xorg-input-libinput

which leaves me quite empty mouse/trackpad pane in system settings. options there choices of either using left or right button primary click.

current mouse/trackpad settings can set gpointing-device-settings or in /usr/share/x11/xorg.conf.d/60-libinput.conf.

gpointing device settings

as problem display, reinstall of nvidia driver

sudo apt install --reinstall nvidia-340

and reboot made screens work again.


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