romidhaka 0 Posted December 2, 2020 Share Posted December 2, 2020 Hello, My desktop is running AMD 3600 with RX580. Was running well with Catalina. Did a fresh install of Big Sur 11.01 with opencore 0.6.4 and ws able to boot and install bigger but getting this error when trying to login Apple ID. Please help and thanks in advance. Quote Link to post Share on other sites
Muaitai 0 Posted December 2, 2020 Share Posted December 2, 2020 The problem most likely is that you are using an old SMBIOS already registered to iCloud. Get GenSMBIOS and update your information with a new serial number. Quote Link to post Share on other sites
romidhaka 0 Posted December 2, 2020 Author Share Posted December 2, 2020 11 minutes ago, Muaitai said: The problem most likely is that you are using an old SMBIOS already registered to iCloud. Get GenSMBIOS and update your information with a new serial number and confirmed its not validated by apple. Generated a new serial with SMBIOS and still having the error. Quote Link to post Share on other sites
Muaitai 0 Posted December 2, 2020 Share Posted December 2, 2020 Try this post, maybe it will help you. https://www.insanelymac.com/forum/topic/320946-cant-get-imessagefacetime-to-work/?do=findComment&comment=2363964 Quote Link to post Share on other sites
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