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["Thomas W. Anderson" <763808@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I just did a fresh install of 11.04 but when I booted, I got a message
that I didn't have the right hardware to run Unity and it defaulted to
the old desktop.  This is new computer with:

ASUS M4A89TD PRO motherboard
NVIDIA GeForce 9500 GT

I checked for and installed all updates.

When I check for "Additional Drivers" ... I see that the NVIDA preferred
"NVIDIA accelerated graphics dirver [Recommended] is activated and
currently in use.

When I go to System | Administration | Additional Drivers there are two
NVIDIA drivers listed:

* NVIDIA accelerated graphics driver (version current) [Recoimmended]
* Experimental 3D support for NVIDIA cards

I tried both ... still no Unity. It does take a minute or so on boot up
to get to the login screen -- I am assuming that this is part of the
problem.

I am dual booting this configuration with Windows and everything runs
under windows just fine so I don't think there is any hardware problem.

I installed 10.10, loaded updates via update manager, Activated the
NVIDIA Rel 172 version of the video drivers through Administration >
System > Additional Drivers ... and that seemed to give me 3D
capabilities. That is, if I look at ScreenSavers, the 3D specific screen
savers (GL*) worked. However, in the 11.04 installation, 3D ScreenSavers
did not display anything. So I guess my point is that 3D acceleration
for my hardware platform works with 10.10 but not with 11.04.

OUTPUT REQUESTED:
twa@TWA-MAIN-Ubuntu:~$ sudo uname -a; lsb_release -a; sudo lshw -C display; dpkg -l | grep nvidia
[sudo] password for twa:
Linux TWA-MAIN-Ubuntu 2.6.38-8-generic-pae #42-Ubuntu SMP Mon Apr 11 05:17:09 UTC 2011 i686 athlon i386 GNU/Linux
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Natty (development branch)
Release: 11.04
Codename: natty
  *-display
       description: VGA compatible controller
       product: G96 [GeForce 9500 GT]
       vendor: nVidia Corporation
       physical id: 0
       bus info: pci@0000:08:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
       configuration: driver=nouveau latency=0
       resources: irq:24 memory:fd000000-fdffffff memory:d0000000-dfffffff memory:fa000000-fbffffff ioport:ec00(size=128) memory:fe980000-fe9fffff
ii nvidia-common 0.2.30 Find obsolete NVIDIA drivers
ii nvidia-current 270.41.03-0ubuntu1 NVIDIA binary Xorg driver, kernel module and VDPAU library
ii nvidia-settings 270.29-0ubuntu1 Tool of configuring the NVIDIA graphics driver
twa@TWA-MAIN-Ubuntu:~$

Running sudo nvidia-xconfig did not work (would not boot).

** Affects: xserver-xorg-video-nv (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/763808

Title:
  11.04 does not properly load NVIDIA driver for Geforce 9500 GT