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Fixed black screen problem I had the black screen problem after installing Ubuntu 13.10 on my MacBook Air. Actually, installation went thru but...
I installed Parallels 9.0 trial version with updated Parallels tools and then remove the trial version, reinstalled PD8.0. It worked except it...
You can open a terminal window by Ctrl+Alt->Devices->Keyboard->select Ctrl+Alt+F2. And then reinstall Parallels Tools.
I can't make Parallels 8.0 works after upgrading to Ubuntu 13.10. Apparently, I need an updated Parallels Tools for 8.0 to make this thing works...