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I'm running Ubuntu 9.1 inside VirtualBox 3.1.6 on Mac OS X 10.6.3. The screen resolution won't go beyond 800x600 and Ubuntu can't detect my monitor type.

How can I increase the resolution beyond 800x600? Are there any drivers I can install, for example?

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Also see <…; – Uwe Honekamp Apr 27 '10 at 17:59
up vote 1 down vote accepted

Ubuntu won't be able to detect your monitor type because the Virtual Machine doesn't see your monitor, it sees a virtual monitor. If you have the Virtual Machine Additions installed then you should be able to change your resolutions or enter seamless mode for a more usable experience.

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You should install the plugin using root login in ubuntu. Once the system is restarted after installation you will see mouse integration and ability to change screen resolution. – Kavitesh Singh Apr 27 '10 at 4:58
I just discovered this, this morning :-). Thank you so much for your help! – Kukoy Apr 27 '10 at 15:04

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