https://community.graphisoft.com/t5/Installation-update/HELP-AC-turning-setting-on-and-off-at-random/m-p/14573#M1787 It sounds like a display card/driver problem. I haven't seen any on Macs for a long time but I've yet to work with a Mac Pro. You can check the display compatibility database <A href="http://archicad-talk.graphisoft.com/compatibility.php" target="_blank">here.</A> Mon, 26 Mar 2007 07:02:39 GMT Anonymous 2007-03-26T07:02:39Z https://community.graphisoft.com/t5/Installation-update/HELP-AC-turning-setting-on-and-off-at-random/m-p/14572#M1786 <DIV class="actalk-migrated-content"><T>I am using AC 10 on a Mac Pro (intel processor) running under Mac OS X.4 <BR /> <BR /> I have a problem where seemingly at random AC will stop displaying lines, walls, slabs, etc. while I am editing them. It will show them once I am done specifying all the points, but I can't see what I am doing while I do it. I don't know how I am turning this on and off, do any of you have an idea? This is driving me CRAZY!!! I have had this happen to me several times, and it seems to be a preference or option that I am turning off and on by pressing a certain key, but I have no idea what that would be. <BR /> <BR /> PLEASE HELP!!</T></DIV> Sun, 25 Mar 2007 22:31:34 GMT https://community.graphisoft.com/t5/Installation-update/HELP-AC-turning-setting-on-and-off-at-random/m-p/14572#M1786 Anonymous 2007-03-25T22:31:34Z https://community.graphisoft.com/t5/Installation-update/HELP-AC-turning-setting-on-and-off-at-random/m-p/14573#M1787 It sounds like a display card/driver problem. I haven't seen any on Macs for a long time but I've yet to work with a Mac Pro. You can check the display compatibility database <A href="http://archicad-talk.graphisoft.com/compatibility.php" target="_blank">here.</A> Mon, 26 Mar 2007 07:02:39 GMT https://community.graphisoft.com/t5/Installation-update/HELP-AC-turning-setting-on-and-off-at-random/m-p/14573#M1787 Anonymous 2007-03-26T07:02:39Z