Preview on CPU/CPU doesn't make any difference.
Same with switching off GPU Performance in preferences.
I updated my NVidia drivers earlier today to no avail.
Also, I just remembered that the animated zoom feature isn't working either, perhaps both issues may be linked?
Other things I have tried include uninstalling and reinstalling illustrator as well as past versions through the Creative Cloud app.
This issue is driving me up the wall. Thank you so much for checking back in again!
They might be connected since they are all linked to the GPU acceleration. So there may be some compatibility issue. Someone will need to have a look at it.
You can contact Customer care and they can log into your system:
contact-bumper
Please be careful: they don't use Skype. So in case you get requests for a Skype session via private messaging, it's fake and please report those people.