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Problem:
I have Nvidia problems I don't know what happen because when I run WarCraft with optirun it display errors then if I type optirun glxgears, it displays the same errors as when im running warcraft ..

optirun glxgears
[   25.424416] [ERROR]The Bumblebee daemon has not been started yet or the socket path /var/run/bumblebee.socket was incorrect.
[   25.424460] [ERROR]Could not connect to bumblebee daemon - is it running?

How to fix this?

PC specs: Ubuntu 12.04 64 bit with a NVIDIA GeForce GT 630M

I used lspci | grep VGA which gave me:

lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller(rev 09)

It seems my laptop does not detect my Nvidia GeForce GT 630M anymore. It worked before I knew that my optirun is broken, I didn't do anything.

I just installed Geany recently and make a virtual host and oh yes, i use ctrl + alt + sys req + REIUSB because I had my laptop freeze few hours ago

Please if anyone can help i will really appreciate it.

Solution
I have already posted my solution as an answer below.

Note: I already had Bumblebee installed. It worked before, but all of a sudden my laptop suddenly doesn't recognize my VGA..


New questions

  1. Why did my initial problem arise? Is it because I used ctrl + alt + sys req + REIUSB ?? Yes i typed it REIUSB and not REISUB..
  2. Why did my solution work?

I already searched in google and didnt find any good/clear answer(the answers too hard for newbie to understand) please answer with details because im a newbie in ubuntu and also in computer .. i just installed ubuntu 2 weeks ago so i can learn about computer.

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It think you are using a Optimus compatible VGA (A computer with an Intel and a NVidia VGA Card) Optimus switchs between that two VGAs when you play games and programs with high need of Graphical process . Bumblebee is a free and Open-source implementation of Optimus technology , It think you should download and install it . –  Mahyar Pasarzangene Jan 3 '13 at 19:15

1 Answer 1

SOLVED

what i have done : i frustrated, i boot ubuntu live cd and try ubuntu, use lspci | grep VGA

it detected my 2 vga:

00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation Device 0de9 (rev a1)

i slept, then i woke up in the morning, hope for magic happens, AND YES IT DOES, use optirun and it works! it also detected my VGA with lspci | grep VGA

note: i already had bumblebee installed and it worked before my laptop suddenly didnt recognize my vga..

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