Ubuntu Screen Resolution

Discussions related to using VirtualBox on Mac OS X hosts.

Ubuntu Screen Resolution

Postby dew542512 » 9. Feb 2009, 04:15

Hi, installed Ubuntu 8.1 and the screen resolution is stuck @ 800x600 or 640x480. I've tried to detect my screen which supports 1900x1200 but no luck. Am i doing something wrong?

ps. read the manual - no joy ... I don't have the same problem with Windows 7 which I'm assuming is detecting my display correctly.

thanks!

Doug
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Postby rm53 » 10. Feb 2009, 00:36

have you installed guest additions correctly/successfully?
I can switch screen resolution to my MacBooks resolution afterwards. But Ubuntu does not remember the setting. I have to switch it after each boot of Ubuntu manually. But it works. Once.
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Postby unconfused » 10. Feb 2009, 00:54

Initially I also only got 800x600 or 640x480. I installed the guest additions and then got the choice of 1024x768, but nothing more.

Thus this dashes the hopes of running fullscreen on my 1440x900 screen.
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Postby Sasquatch » 18. Feb 2009, 15:50

Please see the Linux Guests forum for more info on this. You might need the vboxvideo entry in your xorg.conf file. And don't trust the Display options of your Guest. If you stretch the window, it should resize automatically.
Read the Forum Posting Guide before opening a topic.
VirtualBox FAQ: Check this before asking questions.
Online User Manual: A must read if you want to know what we're talking about.
Howto: Install Linux Guest Additions
Howto: Use Shared Folders on Linux Guest
See the Tutorials and FAQ section at the top of the Forum for more guides.
Try searching the forums first with Google and add the site filter for this forum.
E.g. install guest additions site:forums.virtualbox.org

Retired from this Forum since OSSO introduction.
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Re: Ubuntu Screen Resolution

Postby SeanT » 19. Feb 2009, 20:17

dew542512 wrote:Hi, installed Ubuntu 8.1 and the screen resolution is stuck @ 800x600 or 640x480. I've tried to detect my screen which supports 1900x1200 but no luck. Am i doing something wrong?

ps. read the manual - no joy ... I don't have the same problem with Windows 7 which I'm assuming is detecting my display correctly.

thanks!

Doug


Try this.

1. bring up the host OS' terminal
2. Type in VBoxManage global GUI/MaxGuestResolution any
3. Boot up Ubuntu
4. Go to the menu>Device>Install Guest Addition. Click on it
5. Disc image should appear on the Ubuntu desktop
6. Bring up Ubuntu's termina
7. Type in sudo /media/cdrom/ VBoxLinuxAdditions-adm64.run(This depends on your processor)
8. After finish installation, restart Ubuntu

Next time you boot Ubuntu, resolution in automatically adjusted to your screen's resolution.

Thanx

SeanT
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