Hi to all. I was able to view a drawing with all its layers on a computer at work in AutoCad 2006. The drawing was created in AutoCad 2004 format but I am unable to view most of the layers apart from 3 in AutoCad 2005 on another Computer despite all the layers being unfrozen or visible. Does anybody know where I should start with the troubleshooting process. I guess it has to do with some disabled or enabled settings in the AutoCad 2005 PC. Thanks for any help.