Ubuntu 14.04 Login Loop with additional monitor issue - Ask Ubuntu


i appear having relatively common login loop error described here ubuntu gets stuck in login loop. in brief, after login attempt, screen blacks out 5 seconds, , returns login screen

i aware there variety of solutions problem, resolved editing .xauthority file. however, of these solutions start logging shell e.g. ctrl + alt + f3. when attempt log in shell, monitor goes idle. if cycle through using alt + ->, can return normal login screen after couple of goes.

i suspect shell login screen whatever reason being output different non-existent screen. using macmini 2011 vga output. can offer solutions?

i see mac mini uses ati graphics using fglrx, if updated hardware enablement stack incompatible fglrx , recommended use amdgpu (good luck that, i've been unsuccessful, if has guides i'd hear) have 2 choices go terminal ctrl+alt+f1 , enter command sudo apt-get remove fglrx* reset basic radeon drivers quite frankly suck.

or can uninstall current image revert last version used, sudo apt-get remove linux-image-4.4.0-*, won't security updates.

i've chosen second option, , feel sketchy it, can't option 1 function satisfactory level.


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