Apple Wired USB Kbd with Thunderbolt screen

[meashishnd]

Source : Macbook air yosemite 10.10.1 thunderbolt 27" apple screen usb wired keyboard

Problem: USB keyboard not detect on first time when connect macbook with thunderbolt scree

Detail: When i connect macbook air with thunderbolt screen on that time USB keyboard not work, not initiailize
i must have to remove keyboard cable from USB port and replug it again after that work
this happended frequently , thunderbolt firmware is alreday updated, also trying to change USB keyboard
please give suggestion what to do !!

 

[kch50428]

I'd consult with an Apple GeniusBar or Apple support via email or phone.