Since the upgrade, the Mac OS does not seem to recognize my Razer Naga mouse or keyboard. I upgraded to Catalina a couple of days ago.The Guide to macOS Catalina is brought to you by MacMost. Presented by the host of the MacMost video podcast, the creator of hundreds of online video tutorials and the author of books on the Mac and iPad. You can watch while trying out techniques for yourself. Each tutorial clearly presents a topic and shows you how to use macOS Catalina.It might not even be ready for Catalina’s launch, if wine is so important to you simply don’t upgrade past Mojave until you see an announcement saying wine is now working on Catalina. CodeWeavers are quite because it’s a lot of work that’s involved in making this all work.Can you offer the me the resolution for this please ? -– Mahendra Tantia Upgrade To Catalina, Opening Excel File With Numbers, Formulas Not Working ? I have Upgraded to Catalina and opening excel file with numbers (as excel is not working now in Catalina OS), i see now that the formulas of that excel file are not working.(This feature requires that the Mac dates from mid-2013 or later, that all devices use the same iCloud account and that the Apple ID uses two-factor authentication instead of two-step verification.)