Hardware: Dell Mobile Precision 7520 (Laptop)
Video: NVIDIA Quadro M1200, Intel HD Graphics 630
OS: OpenSUSE Leap 42.3

Current Operational Problem: Boots into terminal screen. Screen flashes once per second.
How this happened: Attempted to install the proprietary Nvidia driver using the instructions for NVIDIA_the_hard_way.

Other things I tried:
  • Reverting to nouveau in a desperate attempt to get my computer working again. It failed.
  • Installing RPM redhat video drivers from the Dell website for this laptop. The Nvidia installation failed due to newer kernel.
  • Reinstalling proprietary driver. It claims success but does not boot up properly.

I'm not exactly sure how to proceed. Any help would be greatly appreciated!