Screen resolution VB 4.0 / Kubuntu 10.10 guest

[Sasquatch]

All those 'out of sync' and such lines are in mine as well. I have full dynamic resizing without any xorg config. If you really want to work with xorg.conf, get the one from my tutorial (link in signature), reboot and it should work.

[gundwane]

rajdeep your command list works well ..Now kubuntu is running full screen on my virtualbox..Thansk again..

[HomeroMx]

I had a similar problem on both my laptop and desktop, and the following corrected the problem. Thanks to all who gave the codes; I've put them together.
It seems the problem is related to the absence of xorg.conf?

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sudo apt-get install dkms build-essential linux-headers-generic 

Enter your password, type 'y' and enter when you are prompted for it, and wait for the download and install to finish

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sudo /etc/init.d/vboxadd setup

In my case, the screen maximized to a 4:3 ratio, but not widescreen. Higher resolutions were not shown in the display applet.

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sudo service kdm stop

You will be dumped to a non-gui console screen. Login again.

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sudo Xorg -configure

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sudo service kdm start

A fullscreen display is acheived.

I am sure there must be a simpler way to do this; this just worked for me.
Rajdeep

This really works for me.

VB v4.2.0
Kubuntu 12.04
Host: Windows 7