Here is a screenshot of journalctl -xe
there is another Problem with network-manager cant install.
Solution:
You have to reboot and make a apt -f install to install network-manager completely.
a dkms-reconfigure nvidia-driver results:
Building initial module for 4.15.0-towo.1-siduction-amd64
Error! Bad return status for module build on kernel: 4.15.0-towo.1-siduction-amd64 (x86_64)
Consult /var/lib/dkms/nvidia-current/387.34/build/make.log for more information.
here is the log:
https://paste.ee/p/W0HB9