2

On my Lenovo Thinkpad W520 I can switch between Nvidia Optimus or Integrated card. Since a couple of days, My Ubuntu doesn't start any more with the Nvidia card. The boot process stop itself at this point

enter image description here

And at this moment the fan runs at full speed (because the video card heats a lot, More than in a normal usage) and the disk is not in use.

I don't understand the correlation, But if I start on windows, I plug my monitor in the Display Port and I choose "Disconnect Projector", When I reboot, Ubuntu works (just one time)

How can I fix this problem?

2
  • I have a T520 -- can you choose the "discrete"/optimus option, and not the auto-switching one?
    – ish
    May 10, 2012 at 21:58
  • no, I can choose between nVidia Optimus, Integrated Graphics and Discrete Graphics and if I choose the Discrete one I have this trouble by booting. I also tried o reinstall ubuntu (I did a clean reinstall (I just saved the important config like thunderbird, virtualbox and firefox)) but I still have the same problem...
    – David
    May 11, 2012 at 7:55

0

Browse other questions tagged .