I have recently installed Ubuntu 14.04 LTS on my system. But the usb port does not seem to be working. When I type lsusb in terminal, following is displayed on the screen: Bus 002 Device 114: ID 0951:1665 Kingston Technology Bus 002 Device 004: ID 413c:2106 Dell Computer Corp. Dell QuietKey Keyboard Bus 002 Device 003: ID 04ca:0062 Lite-On Technology Corp. Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub. However the disk utility shows no media. Kindly help me on this. Suggestions will be appreciated.