We are still running Pro/E V. 20 here at Ametek. We have been allowed however to upgrade our computers, if not our software, ugh. Anyway, a Pentium 4 with a Radeon video card do not mix well - we get both "black box" areas on the screen and "dragging". Does anyone know if there is an "easy" soultion to this? I remember having similiar difficulties at a prior employer with this and we solved it either with a Windows setting or a Pro/E one but it's been a number of years ago for that. Help, please! Thanks.