hubierft Posted October 9, 2020 Share Posted October 9, 2020 Hi @all i try to install Catalina on my E490 Lenovo but i get an error during installation: ACPI Error ae_bad_parameter i guess i have to change my xhci option in bios ... but ... i dont have this option. What can i do ? BR Hubierft 1 Link to comment Share on other sites More sharing options...
Max.1974 Posted October 9, 2020 Share Posted October 9, 2020 Hi @hubierft, first you need "reset" your bios to set defaults, after that try disable like description on first page tutorial, and don't forget update your kexts. After that, you need use clover parameters to up your hack properly for your processor build. If you have 2 gpu, probably need disable one of them. Best Regards! Link to comment Share on other sites More sharing options...
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