USB drive, once it worked, now it doesn't.

[Nils Kassube]

Chris Knowles wrote:
> I've got a 250GB external USB drive.
>
> Also, a brand new load of Ubuntu 7.04.
>
> for the first couple of days, the external drive would show up when I
> plugged the device in... (Icon appear on desktop as if by magic... )
>
> then one day I accidentally removed the drive without ejecting it
> nicely.
>
> Ever since, when I plug in the USB drive, the system recognizes that a
> new device has shown up, I can manually mount /dev/sdb1 and read the
> data, but no automagic mounting.

I don't know if this will help because I never had a similar problem. 
Anyway, what file system is on the partition? If it is ext2 or ext3 you 
may try to run fsck for the device after unmounting it. In a terminal the 
command would be:

sudo umount /dev/sdb1
sudo fsck /dev/sdb1


Nils