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#1 2013-09-29 13:16:52

saneks
#! Die Hard
Registered: 2009-10-01
Posts: 1,020

USB key not working

I have an 8GB usb key that is not shown in Gparted anymore and no automounting happens.
Used it to copy over some files, then dd'ed crunchbang on it. but it seems to not work anymore
I can have it listed (it is sdc)..

me@crunchbang:~$ sudo ls -l /dev/disk/by-id/*usb*[sudo] password for me: 
lrwxrwxrwx 1 root root  9 Sep 29 14:25 /dev/disk/by-id/usb-Generic-_Multi-Card_20071114173400000-0:0 -> ../../sdb
lrwxrwxrwx 1 root root 10 Sep 29 14:25 /dev/disk/by-id/usb-Generic-_Multi-Card_20071114173400000-0:0-part1 -> ../../sdb1
lrwxrwxrwx 1 root root  9 Sep 29 14:49 /dev/disk/by-id/usb-Generic_USB_Flash_Disk-0:0 -> ../../sdc
me@crunchbang:~$ 

.. but dd'ing on it does not work. terminal says no medium found..
in windows it strangely shows up as a card reader, but I can not format it either.

any ideas how to revive that thing?

Last edited by saneks (2013-09-29 13:19:12)


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#2 2013-09-30 03:51:38

machinebacon
#! unstable
From: China
Registered: 2009-07-02
Posts: 6,826
Website

Re: USB key not working

What's

lsusb -v

showing? According to the device name (sth. like [0011:2233]) you can also find out if the stick has something like U3 on it, by googling for the device name.


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#3 2013-09-30 09:00:29

fatmac
#! Die Hard
Registered: 2012-11-14
Posts: 1,948

Re: USB key not working

When I get a 'dead' pendrive I use

sudo dd if=/dev/zero of=/dev/<device> bs=512 count=1

to delete any old partition table info, then use fdisk to create a new partition table, create a new partition, & format it.
If that doesn't work, just overwrite the whole disk.

sudo dd if=/dev/zero of=/dev/<device>

To find what device it is, unplug it & then plug back in, run

dmesg | tail

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Currently:  AntiX, & Crunchbang.
A good general beginners book for Linux :- http://rute.2038bug.com/index.html.gz
A good Debian read :- http://debian-handbook.info/get/now/

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#4 2013-09-30 10:25:35

saneks
#! Die Hard
Registered: 2009-10-01
Posts: 1,020

Re: USB key not working

same game... "no device found" for all of fatmacs suggestions.. dmesg shows it, though.

Last edited by saneks (2013-09-30 10:31:19)


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#5 2013-09-30 19:36:48

fatmac
#! Die Hard
Registered: 2012-11-14
Posts: 1,948

Re: USB key not working

Are you, by any chance putting it into a usb3 socket? Some pendrives don't seem to function properly unless they are actual usb3 compatible.
Failing that, what do you see when you re plug your pendrive & run dmesg | tail?


Linux since 1999
Currently:  AntiX, & Crunchbang.
A good general beginners book for Linux :- http://rute.2038bug.com/index.html.gz
A good Debian read :- http://debian-handbook.info/get/now/

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