I'm aware of it, but I don't think it's perfect, at least not for one of the older versions of OS X which his computer runs. Moot point, anyway, he doesn't want

I'm aware of it, but I don't think it's perfect, at least not for one of the older versions of OS X which his computer runs. Moot point, anyway, he doesn't want me messing with the way he has his display set up.