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Yesterday I upgraded to Ubuntu 12.04, upon the upgrade completing my USB keyboard would not work. My USB mouse works fine and I have tried 3 different keyboards in all of my USB ports as well as a PS2 keyboard.

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May be I can Help you! (I hope) Try this general ways they might help U out:

  • Updates Check
  • Connect Ur Keyboard after Ur System fully starts and not before BOOT
  • Search for any Additional Drivers (System Settings -> Additional Drivers)
  • If above not works just try any another USB hardware in that port to check although that port is working or not! (i.e. Pendrive, Mobile Device etc)
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I've tried all of the above suggestions, other than searching for additional drivers as I cannot do anything on my computer. The only thing that it displays once it has booted is the "Enter password to unlock your login keyring" window. – Jamie May 11 '12 at 14:32
I bet there's a script you can run at startup that will recheck all usb ports. – Isaac May 15 '12 at 22:06
So tell dat Script to this guy na! But Hey U cheked that Port is working properly kya? Try Safe Mode it might help! – Gaurav May 20 '12 at 17:30

protected by Community May 26 '12 at 7:02

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