bootup screen is corupted

[Marcin Kwidzinski]

Binary package hint: xorg

boot up screen is corrupted after installing nvidia driver 185. resolution of the screen if lower then expected

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Aug 17 12:38:44 2010
DkmsStatus:
 nvidia-current, 195.36.24, 2.6.32-24-generic, x86_64: installed
 virtualbox-ose, 3.1.6, 2.6.32-24-generic, x86_64: installed
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: Gigabyte Technology Co., Ltd. P43-ES3G
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=/dev/sda1 loop=/hostname/disks/root.disk ro quiet splash
ProcEnviron:
 LANG=en_GB.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
dmi.bios.date: 02/09/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F12
dmi.board.name: P43-ES3G
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF12:bd02/09/2010:svnGigabyteTechnologyCo.,Ltd.:pnP43-ES3G:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP43-ES3G:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: P43-ES3G
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-24-generic