Hi Sally. Glad you found the guide useful.
As to your question, you should be able to customize/disable hardware acceleration via control panel->display properties->advanced button->troubleshoot tab, wherein there is a slider control from None to Full.
I'm on Windows XP, so Vista or W7 might be a little different, but I think the control should be in there somewhere.
The major drawback to this is that many if not most games will cease to work completely if you disable hardware acceleration, so it's somewhat self-defeating. If you manage to get something to work I'd be interested to hear how.
One thing I've noticed that I don't think I included in my guide is that some games record perfectly in fullscreen when using OpenGL for rendering instead of DirectX. Sadly, OpenGL is not featured in most modern titles, or it only gets beta or 'unsupported' implementation. I don't have WoW, but a quick Google turned up OpenGL information:
Code:
Go to the WoW shortcut on your desktop. right click, click properties. At the end of the target path, where it says something like: ""C:Program FilesWorld of WarcraftLauncher.exe"" change it to this:
"C:Program FilesWorld of WarcraftLauncher.exe" -opengl
Try this in fullscreen and see what happens.