hello, 1 of usb drives stopped working in ubuntu. working before fresh install of 11.04 month ago, can't sure if used usb since then. problem: have 2 usb slots, , 1 of them automounts expected, while other 1 not work. on nonworking slot, plug in usb storage device , device appears busy (light on, device says it's charging, etc), ubuntu cannot `see' it. steps far: 1. wanted mount manually via command line. however, cannot find entry usb in /dev/ (i looked entries called sdb* , usb). 2. tried check fdisk, not there, either: code: ~$ sudo fdisk -l disk /dev/sda: 160.0 gb, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders units = cylinders of 16065 * 512 = 8225280 bytes sector size (logical/physical): 512 bytes / 512 bytes i/o size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xf761d1b8 device boot start end blocks id system /dev/sda1 * 1 9014 7240492...