Gree 0 Posted November 27, 2020 Share Posted November 27, 2020 hello i install macos big sur on my dell e5570 i5 6300u but after the installation complete my trackpad and wifi not work. pls help me edit efi EFI.zip Quote Link to post Share on other sites
Moderators Jake Lo 1702 Posted December 3, 2020 Moderators Share Posted December 3, 2020 @Gree What wifi device does it have? Post full specs Quote Link to post Share on other sites
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