EndreF Posted December 17, 2020 Share Posted December 17, 2020 I have a Dell Optiplex 7010 i5 sff and when installing the operating system Catalina OS I always get this error at the end. Is there anyone who could please help me? I only do it for myself, if it works I would pay for help. I built the whole system with the help of "OpenCore" and Dortania. As the installation went to the end, then the error occurs. Please look at photo Motherboard DELL processor Intel i5-3470 3.20 GHz graphicscard NVidia GEFORCE GT710 ram memory DDR3 SDRAM Dual InterLeave 16GB case DELL Optiplex 7010 bootloader OpenCore I put the configuration list and EFI in the attachment EFI.zip Bios Configuration.7z Link to comment Share on other sites More sharing options...
Administrators Bronxteck Posted December 18, 2020 Administrators Share Posted December 18, 2020 you can try this https://dortania.github.io/OpenCore-Install-Guide/troubleshooting/extended/userspace-issues.html#stuck-on-your-mac-needs-a-firmware-update-in-order-to-install-to-this-volume 1 Link to comment Share on other sites More sharing options...
EndreF Posted December 18, 2020 Author Share Posted December 18, 2020 ok I will try. On the Open Core Dortania Website write i need to disable theSerial/COM Port,its abaut USB? Because i disabled and now i dont have Keyboard anymoore after i start the instalation. Link to comment Share on other sites More sharing options...
osxosx Posted December 18, 2020 Share Posted December 18, 2020 Try this EFI: EFI_Optiplex-7010_GT-710.zip Link to comment Share on other sites More sharing options...
EndreF Posted December 19, 2020 Author Share Posted December 19, 2020 Thank you for all your help, it's okay now. I read the link sent by the @Bronxteck and made the respective settings, then it worked like butter. Thanks a lot! Thank you ,now its work!! Link to comment Share on other sites More sharing options...
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