How to disable your graphics card hardware acceleration so that videos produced with camtasia studio display properly. if you have hardware acceleration enabled, .mov and other videos most likely. Camtasia primarily relies on cpu speed, but a video card upgrade can also help, with the "use gpu acceleration" option checked. if you only produce video once in a while, however, the easiest solution is simply to leave your computer rendering while you do something else.. Gpu acceleration requires directx compatible video adapter with 128 mb of video memory or greater and pixel shader 4.0 or later guidelines for 4k, 60 fps, and behaviors camtasia (mac).