All; I recently installed Fedora21 (KDE Spin) on a new Dell M3800
Everything was working beautifully, one of the things I do on a regular basis is to rsync my hard drive (skipping the directories created at runtime) to a backup location
I have been connecting & disconnection the laptop to/from 2 separate monitors via the mini display port & a mini display port to vga adapter with no issues.
earlier tonite I did a presentation to a local users group meeting, all went fine, I plugged their projector into the mini display port and the presentation worked fine.
However when I unplugged the projector mu laptop screen went blank, I rebooted and logged into a blank screen, after a reboot I could plug the projector in again and get dual screens (laptop and projector screen), If I unplugged the projector I get a blank screen on the laptop again.
I restored a full backup rebooted, same problem... I'm now doing a full re-install of Fedora 21. I'd like to avoid this in the future, any help would be much appreciated.
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