CentOS 7 no graphical login screen

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andrewj720
Posts: 4
Joined: 2017/09/20 08:44:26

CentOS 7 no graphical login screen

Post by andrewj720 » 2017/09/20 08:56:10

When I boot my CentOS laptop, after entering encryption password, it normally boots to a GUI login screen and then boots into Gnome3.

Now though, after entering encryption password, the CentOS 7 wallpaper is loaded, but it never loads the graphical login screen.

If I boot into emergency mode, 'startx' fails, giving me:

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xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
xinit: connection lost to X server lost

waiting for X to shut down (II) Server terminated successfully (0). Closing log file. 
Any ideas how to fix?

andrewj720
Posts: 4
Joined: 2017/09/20 08:44:26

Re: CentOS 7 no graphical login screen

Post by andrewj720 » 2017/09/20 10:02:50

Fixed.

The issue was that a package was not allowing updates (EPEL problem after upgrading to CentOS 7.4). After downgrading the problem package, and running

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yum update
, I can boot in, but systemctl default is now multi-user.target (runlevel3). Running

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systemctl set-default graphical.target
has now resolved all issues.

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