Hello, please note the following from your nvidia-installer.log.txt file -- I hope this helps you find the cause of your problem.
Thanks WARNING: You do not appear to have an NVIDIA GPU supported by the 331.89 NVIDIA Linux graphics driver installed in this system. For further details, please see the appendix SUPPORTED NVIDIA GRAPHICS CHIPS in the README available on the Linux driver download page at www.nvidia.com. -> License accepted. -> Installing NVIDIA driver version 331.89. -> Running distribution scripts executing: '/usr/lib/nvidia/pre-install'... -> done. -> The distribution-provided pre-install script failed! Continue installation anyway? (Answer: No) ERROR: Installation has failed. Please see the file '/var/log/nvidia-installer.log' for details. You may find suggestions on fixing installation problems in the README available on the Linux driver download page at www.nvidia.com. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1338676 Title: desktop environment Status in “xorg” package in Ubuntu: New Bug description: sometime my system well suddenly crash itself..and also ive encounterd the small black square tearing in my desktop after updating my nvidia to 331.79 from 331.38 and also the intel graphics (ivybridge).. ive recently used intel now because when i switch to nvidia not working well, i can login but no panel, no unity etc ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xorg 1:7.7+1ubuntu8 ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2 Uname: Linux 3.13.0-30-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Tue Jul 8 00:51:06 2014 DistUpgraded: Fresh install DistroCodename: trusty DistroVariant: ubuntu DkmsStatus: bbswitch, 0.7, 3.13.0-29-generic, x86_64: installed bbswitch, 0.7, 3.13.0-30-generic, x86_64: installed nvidia-331, 331.79, 3.13.0-30-generic, x86_64: installed GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] Device [1025:0647] NVIDIA Corporation GF108M [GeForce GT 630M] [10de:0de9] (rev ff) (prog-if ff) InstallationDate: Installed on 2014-06-06 (31 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Acer Aspire V3-571G ProcEnviron: LANGUAGE=en_PH:en PATH=(custom, no user) LANG=en_PH.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic.efi.signed root=UUID=7e7f70c1-9f23-424d-9cca-d0c03ec8c2ce ro quiet splash acpi_backlight=vendor vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/14/2012 dmi.bios.vendor: Acer dmi.bios.version: V2.04 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: VA50_HC_CR dmi.board.vendor: Acer dmi.board.version: Type2 - Board Version dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V2.04 dmi.modalias: dmi:bvnAcer:bvrV2.04:bd09/14/2012:svnAcer:pnAspireV3-571G:pvrV2.04:rvnAcer:rnVA50_HC_CR:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.04: dmi.product.name: Aspire V3-571G dmi.product.version: V2.04 dmi.sys.vendor: Acer version.compiz: compiz 1:0.9.11+14.04.20140423-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.54+git20140628.e8c3c135-0ubuntu0ricotz~trusty version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0~git20140630.7577cdd8-0ubuntu0sarvatt~trusty version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0~git20140630.7577cdd8-0ubuntu0sarvatt~trusty version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.99+git20140703.c4ae0e2c-0ubuntu0sarvatt~trusty version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.912+git20140703.57d0cc82-0ubuntu0sarvatt~trusty version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10+git20140220.480f0998-0ubuntu0sarvatt xserver.bootTime: Mon Jul 7 23:26:41 2014 xserver.configfile: default xserver.errors: intel: Failed to load module "dri3" (module does not exist, 0) intel: Failed to load module "present" (module does not exist, 0) xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 8940 vendor AUO xserver.version: 2:1.15.1-0ubuntu2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1338676/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp