I recently installed Ubuntu 16.04 on my computer with Windows 10 Dual Boot in UEFI mode. Here is my hardware:

  • CPU: Intel Core i5 6600K @ 4.20 GHz
  • GPU: Gigabyte GeForce GTX 1070 ti @ stock clock
  • Mainboard: Gigabyte Z170-HD3P
  • RAM: 16 GB G.Skill Ripjaws V @ 3200 MHz (no OC)
  • Sound Card: Asus Xonar D1
  • Drive: Samsung SSD 850 EVO (that's where both OSes and GRUB are installed)
  • Dual monitor setup

Since I have an Nvidia GPU, I obviously want to use Nvidia's proprietary accelerated graphics driver, so I downloaded the corresponding linux installer binary directly from Nvidia's website and performed the following steps:

  1. Reboot into recovery mode so that no X server is running
  2. Start a root shell and remount my drive in R/W mode
  3. Run the Nvidia driver installer
  4. Blacklist the old nouveau driver so it won't make any issues:

In /etc/modprobe.d/blacklist-nouveau.conf:

blacklist nouveau
blacklist lbm-nouveau
options nouveau modeset=0
alias nouveau off
alias lbm-nouveau off
  1. Disable the module:
    echo options nouveau modeset=0 | sudo tee -a /etc/modprobe.d/nouveau-kms.conf

  2. Update my initramfs: update-initramfs -u

Step 3 did not work completely fine, the installer said it could not execute the preinstall script provided by my distro and it could not find a suitable directory for 32-Bit support libraries.

After a full reboot, my display resolution was about 640x480 and both of my displays showed the same image. Moreover, the X server ran incredibly unstable, crashing about every 3 seconds, which made me unable to even log in.

What have I done wrong here? I even tried to boot into graphical failsafe mode which turned out to not work as well.

Thanks in advance!

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