USB keyboard is not functioning. its locked?

I cant type anything but I tried numerous key combinations (resetting pram for instance) so i tried random combos. I got it to type a little after using a combo using either f5 or f6 but then I couldnt anymore? I need help unlocking the keyboard? I cant move anywhere from the login window since I cant type. I tried unplugging and plugging keyboard back in and it doesnt work. I even connected it to a different computer and it just doesnt work.

Press option key 5 times.
If this does not help, contact Apple.

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OK, I fixed the problem by doing a SMC (System Management Controller) reset as follows:
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Hi everyone,
hope someone can help me to solve my problem. I have a MPB13 retina late 2013 since something like 3 months. I have additional screen (dell), usb wired keyboard (apple) and BT magic mouse.
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t

Hi and welcome the forum!
Try uninstalling all USB hub devices from the device manager and reinstalling them again, particularly the keyboard's.
v2.26 is supposed to fix the issue according to lenovo:- http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-63024
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IdeaPad: U350
Apple:- Macbook Air [Snow Leopard]
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Apple USB keyboard does not work

I have the same problem as described by Sweboss on November 15th, 2012. The Apple USB keyboard is working perfectly, but if I shut down the computer, when I switch it on again, the USB keyboard does not respond, and the computer is looking for a Bluetooth keyboard (which I had before). I have tried switching off, unplugging all peripherals, then unplugging the computer, waiting 15 seconds, then plug it in, wait 5 seconds (this is a remedy proposed in other mails). Switch on and the USB keyboard does not respond. It is not that particular USB port, as it works perfectly well with other peripherals like my scanner, or printer, and changing ports does not help. And when I tried it last time, I had no other USB peripherals connected. Can anyone help?

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Hello Oceanlife,
You state that the keyboard and touchpad are not functioning, that is correct? I will try to assist you with this issue.
As of today are you still having this problem?
If you have, any more questions do not hesitate to ask. .
Thanks
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Clicking the 'Accept as Solution' button is a way to let others know which steps helped solve the problem!

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I would restore the iPod to factory defaults/new iPod on your computer and start over. It appears the iPod is associated with another account. Any media that came with the iPod does not belong to you and di not transfer with the iPod hardware.

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USB keyboard is not functioning. its locked?

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