Hello Doppe and welcome to Sevenforums.
BSOD Analyse
There's a bunch of blames here but let's do them one by one.
1) Try to do a clean install of the Graphic Driver, the tutorial below meets the requirements of not having left-over files afterwards.
i) Make your way to
Nvidia Drivers - Download NVIDIA Drivers and download the latest driver for your card, save it to your desktop for instance.
ii) Uninstall the Graphic driver you currently have and all its extensions (do not reboot yet)
iii) Download
Driver Sweeper
iv) Get to
safe mode (without network) and search for Driver Sweeper in your

v) Select all the Nvidia components and
analyse them
vi)
Clean them, head into Windows
without internet and install the driver you downloaded previously.
Reply when you're done.
Best Regards,
Frederik.