3
votes
2answers
163 views

I can not boot Ubuntu unless I disconnect everything from USB 3.0 port

Few days before, I have upgraded my OS from 12.04 to Ubuntu 14.04 64-bit (I had the same problem on 13.10). Ever since that, when I try to boot my notebook with any USB cable connected to USB 3.0 ...
2
votes
2answers
729 views

Ubuntu 12.04 does not want boot if external keyboard attached to USB 3

As in the subject, if my external keyboard is attached to my Dell Vostro 3750 laptop (via usb 3) - Ubuntu does not want to boot - I see only black screen. Could you please help me?