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#1 2012-11-03 12:22:49

hermanr
Member
Registered: 2011-05-25
Posts: 15

"No medium found" trying to overwrite USB media ... [solved]

Following the guidelines in the Wiki 'USB Installation Media', I tried to transfer the latest archlinux iso to a USB drive to function as a rescue disk:

sudo dd bs=4M if=archlinux-2012.11.01-dual.iso of=/dev/sdc

But when I enter this command, I get the following error message:

dd: opening ‘/dev/sdc’: No medium found

The Gnome Disks-utility shows that the USB drive is indeed located at /dev/sdc. It is not mounted.

I have tried this with two different USB drives. What am I doing wrong here?

Last edited by hermanr (2012-11-18 15:07:19)

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#2 2012-11-03 12:28:44

hermanr
Member
Registered: 2011-05-25
Posts: 15

Re: "No medium found" trying to overwrite USB media ... [solved]

Okay, I may have fixed this myself... I first unmounted the drive with Nautilus, but when I use umount to unmount the drive, the dd-command works...

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#3 2012-11-03 12:45:47

DSpider
Member
From: Romania
Registered: 2009-08-23
Posts: 2,273

Re: "No medium found" trying to overwrite USB media ... [solved]

Don't forget to mark the topic as solved (by editing the first post) so that other people (including yourself sometimes) may find useful.


"How to Succeed with Linux"

I have made a personal commitment not to reply in topics that start with a lowercase letter. Proper grammar and punctuation is a sign of respect, and if you do not show any, you will NOT receive any help (at least not from me).

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#4 2012-11-03 12:53:37

dmartins
Member
Registered: 2006-09-23
Posts: 316

Re: "No medium found" trying to overwrite USB media ... [solved]

hermanr wrote:

Okay, I may have fixed this myself... I first unmounted the drive with Nautilus, but when I use umount to unmount the drive, the dd-command works...

I ran into this yesterday. I think that nautilus uses 'eject' or some other magic that messes with your device file.


-- Dan

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