derber Posted January 14, 2017 Share Posted January 14, 2017 Hi, I installed Sierra as described in this Guide: https://osxlatitude.com/index.php?/topic/8506-dell-latitude-inspiron-precision-clover-guide/ with the new Bootpack E6530_HD4000_Only.zip (thanks for that ) During the setup process everything worked fine, but when i boot the new installation there are some grafic errors Any ideas? Link to comment Share on other sites More sharing options...
Administrators Hervé Posted January 14, 2017 Administrators Share Posted January 14, 2017 If you search the forum, you'll find many threads and posts about this known issue and the BIOS downgrade you need to do. Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted January 14, 2017 Moderators Share Posted January 14, 2017 derber, Downgrade your BIOS to A03 or A02 if A03 is not available. Then upgrade to A11 or A12, no higher. Link to comment Share on other sites More sharing options...
derber Posted January 16, 2017 Author Share Posted January 16, 2017 no more graphic errors with A12. Thanks a lot! Link to comment Share on other sites More sharing options...
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