Hello, can you grab some information about your usb-hub with following command at a terminal window?
sudo lsusb -v > usb.txt And attach the usb.txt to this report. Form your comment https://bugs.launchpad.net/ubuntu/+source/linux/+bug/336837/comments/7 Your system using the driver modules ohci-hcd and ehci_hcd, which is used with your monitor usb-hub? -- USB-Hub from the LG L246WH monitor doesn't work https://bugs.launchpad.net/bugs/336837 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs