By any chance have you explored the
Mint Forum for an answer. To get you started, you can look at this thread:
Nvidia-340 driver crashes cinnamon.
As a low probability of success suggestion (assuming that you are attempting to use the NVIDIA drivers), disable "
secure boot" before installing the NVIDEA drivers. That sort-of solved my problem of no hardware acceleration. I get a bunch of error messages at boot-up, but after booting the NVIDEA driver appears operational.