Hi all, I'm running C7 on i7 8700k/asus z370-a with an GTX1050. I noticed that there are several problems installing Nvidia proprietary driver. After one week of troubleshooting I got my solution. Hope that can help other user.
I found this https://access.redhat.com/solutions/3438891 but I've not access to this content. In this content seems that the workaround is using lightdm and mask gdm.
The case:
I tried using proprietary driver from nvidia site and from elrepo. In all the case I got system that hungs during boot. In a first time I got message about a device probing (and some kernel trace about i915) and running systemd-analyze blame seems that udev-settle hungs for several minutes. Some suggested to disable udev-settle if you does not have LVM but this is not my case. After this error I got error with GDM (infinite hungs) so I tried lightdm that works blinking.
So I switched to multi-user level, I got always udev-settle hung but running startx system works but with some strange behaviuour.
Now I tried another solution. I installed kernel-lt, kernel-lt-devel and reinstalled NVIDIA driver. All works very well also reenabling graphical runlevel.
best regards