Wireless keyboard not working after installing Catalina.
I cannot get the keyboard to work without plugging in the charging cable and rebooting the Mac. Everything was fine in Mojave.
Mac Pro, macOS 10.15
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Try the following in order:
1 - Reset NVRAM or PRAM on your Mac - Apple Support
2 - boot into Safe Mode according to Start up your Mac in safe mode - Apple Support and test to see if the problem persists. Reboot normally and test again.
NOTE: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following;
• Verifies your startup disk and attempts to repair directory issues, if needed
• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)
• Prevents Startup Items and Login Items from opening automatically
• Disables user-installed fonts
• Deletes font caches, kernel cache, and other system cache files