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Did you install AutoCAD on boot camp partition or inside virtual machine?
If you have Retina Macbook, than it looks like a problem with running AutoCAD on Hires display:
http://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/Odd-gra...http://www.cad-notes.com/autocad-interface-issues-on-high-resolution-display/Maxim
