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Fedora23 nvidia960m troubles

asked 2016-04-22 09:38:15 -0500

thiryn gravatar image

Hi! I'm new to fedora, and having somes troubles with nvidia drivers.

I have an Intel chipset and an Nvidia 960m graphic card. Since my card is optimus-compliant I installed bumblebee and it works fine (optirun glxsphere64 works). But, I have somes problems. If you don't want to know what I did to try to resolve it, directly go to the end of the post ;)

The first one and the most annoying is that I cant change brightness. I looked over the internet and two answers are usual :

  1. Change the grub config to set the acpi_backlight to vendor
    • Not working, as soon as I change some configuration, grub or xorg, in relation with my video card, I'm stuck during the boot process to the "start switch root" stageroot`" stage
  2. Change the file located in /sys/class/backlight/***_backlight
    • The folder /sys/class/backlight exists but is empty

The second one is that I can't plug a dual screen. Or... I can plug one but it is not recognized by the computer. It is an HDMI port directly plugged on the graphic card.

My kernel version is 4.4.7-300.fc23.x86_64. I can notice that I have no /etc/X11/xorg.conf. As soon that I declare one, the original one with X :1 -configure if I remember well, or the nvidia-generated one, I am stuck at the boot as I said before. I notice that it is as soon as I declare a Driver (nouveau/intel/nv/nvidia) It crashes. I searched around PCI description, drivers location (Don't know why but I can't locate the one from nvidia...), but still cant.

Sorry for the long post, but I tell all the Information I had, I think. To resume that, I can't have dual-screen and deal with my brightness. Thanks!

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answered 2016-05-09 10:52:54 -0500

utkarsh009 gravatar image

updated 2017-02-12 07:48:11 -0500

Hey there! I have a gtx950M card in my laptop. Here's a link to my blog:
I can change the brightness on my laptop, so setting bumblebee up this way might help you.

Edit 1: Here's a sequel to the original post: Sequel

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Asked: 2016-04-22 09:38:15 -0500

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Last updated: Feb 12 '17