Take the 2-minute tour ×
Ask Ubuntu is a question and answer site for Ubuntu users and developers. It's 100% free.

Ubuntu was running perfectly, suddenly my internal HDD partitions (except file system) and partitions of external HDD disappeared. I was able to mount the partitions of internal HDD via disk utility, but I couldn't find the external HDD. I tried Gparted partition editor and it couldn't find the device. I tried my HP flash drive and found that all the USB devices were not shown up.

Here is the result of lsusb

:~$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 04f3:0230 Elan Microelectronics Corp. 3D Optical Mouse
share|improve this question
    
Check if the hardware and kernel components are responding when you plug a device. To do this, see the last few lines of output of the command dmesg as soon as you plug the device in. Post the output here, so we try to figure out what the problem is. –  donatello Aug 14 '12 at 10:20

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.