14.04 - Second screen is off after login - Ask Ubuntu


i using imac27 ubuntu 14.04

linux 3.13.0-100-generic #147-ubuntu smp tue oct 18 16:48:51 utc 2016 x86_64 x86_64 x86_64 gnu/linux

i connected apple thunderbolt display 27 , it works until last week.

now, after login switchs off. have go nvidia settings , configure again. there appears off. choose position , on , apply.

but configuration not saved somehow. tried save x configuration file, no progress.

also, after login (second monitor off) fixed using xrandr --output dp-4 --auto --panning 2560x1440+2560+0.

any idea how keep on after login session (maybe without running xrand code on script)?


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