Unity gone after installing Nvidia driver on 12.10

[Avi Schwartz]

Yes, I tried this but it made no difference. It seems to me that
installing the Nvidia driver changed some configuration that causes Unity
to stop working. I also ran the compiz manager to make sure that the Unity
plugin is enabled.

Avi

On Wed, 3 Oct 2012 11:56:08 +0600, "Murat D. Kadirov"
<md.kadirov at gmail.com> wrote:
> On Wed, Oct 03, 2012 at 12:03:56AM -0500, Avi Schwartz wrote:
>>    Hi,
>>    I got the Thinkpad T430s with the Nvidia Optimus graphics card today
>>    and first thing I tried to do was install the latest 12.10 beta on
it.
>>    Everything came up fine but I noticed that the graphics card was
>>    defaulting to Unknown so I installed the latest Nvidia driver from
the
>>    repository. Upon restart I was able to log into my desktop but found
>>    that Unity is now gone. No Unity, Launcher, or Dash. Looking at the
>>    Xorg.0.log I don't see the Nvidia driver loading, just the Intel
>>    driver
>>    as before but Unity as a whole is gone.
>>    Any ideas?
>>    Avi
> 
> Perhaps, you have changed video card in BIOS/EFI? Try explicitly point
> Intel or Optimus, not both in BIOS/EFI.