External Hard drive problem

James Tappin sjt at star.sr.bham.ac.uk
Mon May 5 19:38:16 UTC 2008


On Mon, 5 May 2008 18:56:41 +0100
John K Masters <johnmasters at oxtedonline.net> wrote:

JKM> On 12:45 Mon 05 May     , Linda Hanigan wrote:
JKM> > On Mon, 2008-05-05 at 18:11 +0100, John K Masters wrote:
JKM> > > On 11:54 Mon 05 May     , Linda Hanigan wrote:
JKM> > > > I am hoping someone can help me. I have a seagate 500gb
JKM> > > > external usb hard drive. It has a NTFS filessystem. I was
JKM> > > > backing up to it last week and caught the power cord so it
JKM> > > > was the equivalent of turning it off so it was not unmounted.
JKM> > > > Now the drive is not recognized by Windows or Linux. I tried
JKM> > > > doing mount -t ntfs-3g /dev/sda1 /media/free. I tried using
JKM> > > > -o force. Can anyone help me it says it can't find a drive on
JKM> > > > sda1 so I don't know if I can even reformat it.
JKM> > > > 
JKM> > > What do you get if you connect it to your Linux box and run:-
JKM> > > 
JKM> > > sudo fdisk -l
JKM> > > 
JKM> > > After connecting try:- dmesg
JKM> > > 
JKM> > > Does that show anything? I don't really know too much about
JKM> > > NTFS but hopefully you haven't damaged the actual drive
JKM> > > 
JKM> > fdisk -l only shows hda nothing for sda and there is nothing in
JKM> > dmesg it is like you didn't plug anything in.
JKM> >               Linda
JKM> > 
JKM> Just to eliminate the obvious, if the disk is mains powered does it
JKM> spin up when switched on? If it is powered through the USB port,
JKM> have you tried another cable?

If nothing happens with the above, it is certainly worth trying the disk
in another enclosure as you may have trashed the power supply on the
enclosure.

James

-- 
+------------------------+-------------------------------+---------+
| James Tappin           | School of Physics & Astronomy |  O__    |
| sjt at star.sr.bham.ac.uk | University of Birmingham      | --  \/` |
| Ph: 0121-414-6462. Fax: 0121-414-3722                  |         |
+--------------------------------------------------------+---------+




More information about the ubuntu-users mailing list