I (unfortunately) cannot provide any additional debugging info, as I've switched to Debian Wheezy for this workstation.
There appear to be others having the same issue. Some suggestions include running "sudo apt-get -f install", which seems to fix it in xorg, but not in pre-boot. It's as if USB is not getting initialized in the initram. Some URLS are as follows:
Googling "ubuntu 12.04 usb keyboard" brings up more.
I'm sorry that I can't provide any additional info at this point, but my occupation prohibits me from having a down primary workstation. I will see if I can acquire an additional ThinkPad today to provide additional debugging info from.
I (unfortunately) cannot provide any additional debugging info, as I've switched to Debian Wheezy for this workstation.
There appear to be others having the same issue. Some suggestions include running "sudo apt-get -f install", which seems to fix it in xorg, but not in pre-boot. It's as if USB is not getting initialized in the initram. Some URLS are as follows:
http:// askubuntu. com/questions/ 128513/ mouse-and- keyboard- does-not- work-after- upgrade- to-12-04 askubuntu. com/questions/ 127410/ upgrading- to-ubuntu- 12-04-loses- keyboard- and-mouse
http://
Googling "ubuntu 12.04 usb keyboard" brings up more.
I'm sorry that I can't provide any additional info at this point, but my occupation prohibits me from having a down primary workstation. I will see if I can acquire an additional ThinkPad today to provide additional debugging info from.