usb keyboard not working
usb keyboard not working after update.
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wilfriedw wrote:
usb keyboard not working after update.
Try a different port
try a differnt cable
try a different adapter
try a different keyboard and compare your resultss...
M1—try SafeBoot How to use safe mode on your Mac - Apple Support
Takes a bit longer to get to the login screen, does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, including dynamic loader cache, etc.
Login and test. Reboot as normal and test. Caches get rebuilt automatically.
Intel—Try resetting NVRAM/PRAM Reset NVRAM or PRAM on your Mac - Apple Support
(get at least two-three rounds of the chimes when holding the NRAM Reset)