unity desktop failure after upgrade to Precise

Upgraded from oneric to precise and have had a complete faliure of my unity desktop. complicated by removal of fglrx drivers
currently have blank unity desktop

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
CheckboxSubmission: 19fbf5479a8ace971ade8b2f7c1e29f2
CheckboxSystem: fd6c484c0b5d20a2f1cd036ef0f63975
CompizPlugins: [core,composite,opengl,decor,wallpaper,mousepoll,gnomecompat,snap,place,compiztoolbox,wall,regex,resize,vpswitch,session,move,grid,imgpng,unitymtgrabhandles,animation,workarounds,expo,fade,scale,ezoom,unityshell]
CompositorRunning: None
Date: Sun May 13 19:32:49 2012
DistUpgraded: 2012-05-07 13:36:21,526 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI RS880 [Radeon HD 4200] [1002:9710] (prog-if 00 [VGA controller])
   Subsystem: Giga-byte Technology Device [1458:d000]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
JockeyStatus:
 xorg:fglrx_updates - ATI/AMD proprietary FGLRX graphics driver (post-release updates) (Proprietary, Disabled, Not in use)
 xorg:fglrx - ATI/AMD proprietary FGLRX graphics driver (Proprietary, Disabled, Not in use)
MachineType: Gigabyte Technology Co., Ltd. GA-MA785GM-US2H
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-24-generic root=UUID=7e7cd262-68c0-4016-bbca-0899c7310fe6 ro splash vga=771 quiet splash vt.handoff=7
Renderer: Software
SourcePackage: xorg
UdevDb: Error: [Errno 2] No such file or directory
UnitySupportTest: Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code 127: /usr/lib/nux/unity_support_test: error while loading shared libraries: libGL.so.1: cannot open shared object file: No such file or directory
UpgradeStatus: Upgraded to precise on 2012-05-07 (6 days ago)
dmi.bios.date: 11/30/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F7
dmi.board.name: GA-MA785GM-US2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF7:bd11/30/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA785GM-US2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA785GM-US2H:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA785GM-US2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.7.8-0ubuntu1
version.fglrx-installer: fglrx-installer N/A
version.ia32-libs: ia32-libs 20090808ubuntu35
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2