Note: I did try what is suggested in https://wiki.archlinux.org/index.php/NVIDIA#Black_screen_on_systems_with_Intel_integrated_GPU (since I have an Intel graphics card too), but it made no difference with the latest versions and actually made the previous version of X in combination with the latest nvidia go blank as well, instead of working.
- [arch-general] Blank screen in X after updating to latest nvi... João Miguel
- Re: [arch-general] Blank screen in X after updating to l... João Miguel