https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732520#M39148 <P>Hi,</P><P>&nbsp;</P><P>It looks like some graphic issue.</P><P>Here is a thread similar to yours:&nbsp;<A href="https://forums.autodesk.com/t5/autocad-for-mac-forum/autocad-2021-having-to-regen-all-the-time-graphic-error/td-p/9425785" target="_blank" rel="noopener">https://forums.autodesk.com/t5/autocad-for-mac-forum/autocad-2021-having-to-regen-all-the-time-graphic-error/td-p/9425785</A>&nbsp;</P> Mon, 07 Sep 2020 03:24:10 GMT vinodkl 2020-09-07T03:24:10Z https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732280#M39147 <P>Hi, i have done my first steps with AutoCAD.</P><P>&nbsp;</P><P>i`m using AutoCAD on Mac. By deleting lines, there are strange things in background. i´ve done a screenshoot.&nbsp;</P><P>&nbsp;</P><P>the screenshot shows a deleted line and a not deleted line.</P><P>&nbsp;</P><P>perhaps someone does have an idea.</P><P>&nbsp;</P><P>thank you</P> Sun, 06 Sep 2020 20:09:53 GMT https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732280#M39147 Anonymous 2020-09-06T20:09:53Z https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732520#M39148 <P>Hi,</P><P>&nbsp;</P><P>It looks like some graphic issue.</P><P>Here is a thread similar to yours:&nbsp;<A href="https://forums.autodesk.com/t5/autocad-for-mac-forum/autocad-2021-having-to-regen-all-the-time-graphic-error/td-p/9425785" target="_blank" rel="noopener">https://forums.autodesk.com/t5/autocad-for-mac-forum/autocad-2021-having-to-regen-all-the-time-graphic-error/td-p/9425785</A>&nbsp;</P> Mon, 07 Sep 2020 03:24:10 GMT https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732520#M39148 vinodkl 2020-09-07T03:24:10Z https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732749#M39150 Welcome to Autodesk Forums!<BR /><BR />Hi @Anonymous</a>,<BR /><BR />It is knowing issue with some Radeon graphic cards.<BR />Please look here for workaround:<BR /><A href="https://knowledge.autodesk.com/support/autocad-for-mac/troubleshooting/caas/sfdcarticles/sfdcarticles/mosaic-or-pixelated-graphics-appear-in-autocad-for-mac-2021.html?_ga=2.14905264.720198027.1599463203-169688753.1599463203#:~:text=To%20solve%20the%20issue%2C%20run,making%20the%20change%20restart%20AutoCAD" target="_blank">https://knowledge.autodesk.com/support/autocad-for-mac/troubleshooting/caas/sfdcarticles/sfdcarticles/mosaic-or-pixelated-graphics-appear-in-autocad-for-mac-2021.html?_ga=2.14905264.720198027.1599463203-169688753.1599463203#:~:text=To%20solve%20the%20issue%2C%20run,making%20the%20change%20restart%20AutoCAD</A>. Mon, 07 Sep 2020 07:24:13 GMT https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732749#M39150 maxim_k 2020-09-07T07:24:13Z https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732791#M39152 <P>Thank you, the change from „metal“ to „open gl“ has solved my problem.&nbsp;<BR /><BR /></P><P>thank you&nbsp;</P> Mon, 07 Sep 2020 07:47:55 GMT https://forums.autodesk.com/t5/autocad-for-mac-forum/problems-with-deleting-lines/m-p/9732791#M39152 Anonymous 2020-09-07T07:47:55Z