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I reinstalled windows 7 and Ubuntu 12.04 on my system 2 days back. Both OS were working fine . Yesterday I Installed Nvidia Graphic card on windows 7 and I switched to ubuntu after rebooting it , ubuntu did not boot ( it says nouvea i2wc faill .... ). I have installed ubuntu on a seperate partition

Neetz
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  • It could be that the registers aren't cleared properly and the state of it make the nouveau driver fail to initialize. Could you try turning your PC off completely, then pull the power plug, wait ~1 minute, then plug in the power again and try if you can boot Ubuntu (without starting Windows). If that still does not work, it is probably an update you applied in Ubuntu that caused this (kernel). Try booting an older kernel. – gertvdijk Aug 21 '13 at 11:18
  • @qertvdijk i use a laptop – Neetz Aug 21 '13 at 11:23
  • A laptop is a PC too. Just also remove the battery for a minute or so. Just to be sure. – gertvdijk Aug 21 '13 at 11:29
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    Please describe the error in more details. Most probably there is no influence from windows drivers to linux as the systems are installed separately and Windows does not even read nor write linux partitions. Give us exact error message. Ad dto your question result of the Ctrl+Alt+F2 keypress - does new console login apears? If you installed a new graphics card, its completely different story. – Dee Aug 21 '13 at 11:32
  • @qertvdjk :o i know it man , – Neetz Aug 21 '13 at 11:36
  • @Dee sometimes it shows me the splash messages , sometimes a black screen and sometime the ubuntu loading dots .. and hung , – Neetz Aug 21 '13 at 11:37
  • ... and are you able to enter the console login by Ctrl+Alt+F2 keypress ? – Dee Aug 21 '13 at 11:47
  • Does this will help you to solve it? : http://askubuntu.com/questions/162075/my-computer-boots-to-a-black-screen-what-options-do-i-have-to-fix-it – Dee Aug 21 '13 at 12:58
  • @Dee U have seen link before , i tried to boot in nomodeset , but still hangs on the ubuntu dots – Neetz Aug 21 '13 at 14:43
  • let us continue this discussion in chat – Dee Aug 21 '13 at 16:18

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From the long discussion was discovered, that here is a hybrid Graphics card Optimus in charge, so best option is to follow this link: (Is a NVIDIA GeForce with Optimus Technology supported by Ubuntu?) and follow steps introduced by user Lekensteyn. Then you should get your card working.

Community
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Dee
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  • Thanks isaw the link , I know bumblebee needs to be installed ..but before i do so , i wanto to boot to GUI mode , so if i follow this to get the gui http://askubuntu.com/questions/104408/cant-use-nvidia-drivers-in-dell-inspiron-n5110 andtype this command rm /etc/X11/xorg.conf i see there's no such file – Neetz Aug 22 '13 at 12:25
  • this was in Ubuntu 11.10, you have a 12.04, where xorg.conf does not exist anymore by default. Read: http://askubuntu.com/questions/4662/where-is-the-x-org-config-file-how-do-i-configure-x-there . Better to follow steps for your version of ubuntu. – Dee Aug 22 '13 at 16:08
  • Ok But I am surprised to see why my hardware doesn't support all of a sudden , coz i have been using ubuntu 12.10 for a year until last week it dint boot – Neetz Aug 22 '13 at 16:11
  • This could be because of kernel updates, and kernel x nvidia driver mismatch. Did you try to run system with previous version of the kernel? – Dee Aug 22 '13 at 16:14
  • and how do i delete that configuration for 12.04 , where is it stored .. and if it is stored , is it safe to delte , the link says only to create and edit – Neetz Aug 22 '13 at 16:15
  • yes , I did that also failed .. and I used the same iso file which i installed 1 year back – Neetz Aug 22 '13 at 16:16
  • Sorry follow the 12.04 steps, or system you have... (12.04 or 12.10, there is a difference for hybrid Graphics cards) don't use steps for 11.10. – Dee Aug 22 '13 at 16:17
  • where do i get the thing , not able to find the file and essentially what does the file do – Neetz Aug 22 '13 at 16:18
  • Again and last time. dont use any steps from different version of the Ubuntu. This will not work for your Gcard. – Dee Aug 22 '13 at 16:20
  • I meant where do i find for 12.04 , and i dont know the side effects .. I am totally a newbie – Neetz Aug 22 '13 at 16:21
  • ?????????????????????????????????????????????????????? – Neetz Aug 22 '13 at 16:40
  • read link I originally posted (http://askubuntu.com/q/36930/58470) top-down everything. There are clear steps what you can do. There is nothing about xorg and 11.10. – Dee Aug 22 '13 at 17:05