A while ago i wrote a post about how to install Ubuntu 11.04 on virtualbox. But some people were having issues getting to install Ubuntu 11.04. Here is a new post for you guys who are experiencing trouble to fix ubuntu 11.04 unity 3D interface and triggering the disabled visual effects.
One of my friends was unable to enable the visual effects in Ubuntu 11.04. He was complaining that the windows were reverting back to a Windows-95ish classic theme and also the unity 3d wasn’t starting up. If you are facing same kind of problems read on below to fix ubuntu 11.04 unity issues and to enjoy Ubuntu 11.04 the way it was meant to.
First things first, Ubuntu 11.04 will not work if you are using Virtualbox version below 4.0. There’s a complete overhaul of graphic drivers seen in the release of 4.0 series so you need to make sure that you are running a version which is 4.0 or greater. Download the latest build of Virtualbox here. If you need USB 2.0 support, Virtualbox RDP and PXE boot for Intel cards you can also download the extension pack in the downloads directory.
Ok, so now you have to double check that you have enabled the 3D acceleration in the Display tab. If everything told above is taken care of then you can move on to the next step.
Reinstall Ubuntu 11.04 on Virtualbox 4.0 or higher. See my other post to know the installation instructions. After installation is complete, start the virtual machine and follow the steps below.
Open terminal from the Ubuntu menu and type the following commands to install the latest guest additions and to fix ubuntu 11.04 unity issue:
*To type the following commands you have to be in ADMIN mode. Type sudo su to enter into admin mode*
sudo apt-get update
sudo apt-get install dkms
sudo apt-get install virtualbox-ose-guest-utils
Now restart the virtual machine. Unity 3D interface and the visual effects feature should be working now. You can also install compiz to further enhance your visual effects.
If however you return back again to a Classic windows theme, type the below command to override the default settings:
killall -9 gnome-settings-daemon && gnome-settings-daemon
Thanks to Andrew and Chris Blunt for the solution.
By now your ubuntu must be working all fine and also now you know how to easily fix ubuntu 11.04 unity problem. If however you still encounter any problems feel free to contact me by dropping in a comment !
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