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My USB MAC keyboard will not work after 10.15.2 upgrade. I had to reset this one other time and it required a call to Apple (same thing happened after an upgrade). I can't remember what they did to fix it. Suggestions?
iMac Line (2012 and Later)
Edit - Boy, did I misread your Q! My puny brain saw "wireless keyboard" rather than USB.
Getting old is for the birds. 🤪
Disregard the remainder.
Start at System Preferences > Bluetooth
Select your keyboard in the Devices area and click the Ⓧ to remove it from the list.
Now you can proceed to re-pair your keyboard with the computer:
Set up your Apple wireless mouse, keyboard and trackpad.
Try resetting the SMC.
FWIW, a USB Keyboard is not a Bluetooth keyboard.
Yeah, boy did I get that turned about! 🙄
iMac upgrade causes Mac USB keyboard to stop working
