I had this problem with Ubuntu-Gnome 13.04 on a HP Pavilion g6 laptop. Some USB ports didn't work (as if they didn't exist). My workaround has been to add "nomodeset" parameter to kernel boot parameters.
I had this problem with Ubuntu-Gnome 13.04 on a HP Pavilion g6 laptop. Some USB ports didn't work (as if they didn't exist).
My workaround has been to add "nomodeset" parameter to kernel boot parameters.