Huge performance problems after updating to Unity 5.3.5f1

So a few days ago I decided to update to the newest version of Unity, but right after updating, a game which in the older version of Unity had 80+ fps, now has under 35 fps. So I checked the profiler, and the CPU profile looks great, nothing going under 70 fps, but the GPU is giving a message, "GPU profiling is not supported by the graphics card driver (or it was disabled because of driver bugs).

So since updating, Ive been very annoyed trying to get everything back the way it was, but I just can’t increase frame rate at all, and I can’t profile my GPU, which I assume is what is causing low frame rate (something with the GPU).

So if someone could help me in regard to what might be going on with my GPU and frame rate, that would be awesome!

First Update your graphic card :

  • write in google search your graphic card model + word “drivers”

  • one of the first sites should be the site of your graphic card manufacturer, click it and search for drivers

I recommended this step because of error message "GPU profiling is not supported by the graphics card driver (or it was disabled because of driver bugs). "