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Virtualbox guest additions kill X in Ubuntu

+1 vote
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I had Ubuntu 12.04 installed in Virtualbox which ran OK, if a bit slow, until recently when I did a bunch of updates. As is usually the case after kernel updates, I had to reinstall the guest additions to get
back full screen and auto-resize. However, what I got instead when I restarted, was the following message:

"The system is running in low graphics mode Your screen, graphics card and input device settings could not be detected correctly. You will need to configure these yourself"

It then drops into a menu with buttons where most of the options don't seem to work and eventually bring me to a command line login. I've tried a complete reinstall followed by an upgrade to 12.10 but
again the installation of guest additions bring me to the same point If the graphics settings can be configured I'll need some advice on how to go about it

I don't think I can provide log output as cutting/pasting between guest and host no longer functions.

This is Virtualbox 4.2.12. The kernel is 3.2.0-43-generic-pae i686

posted May 21, 2013 by anonymous

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