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Re: [LUG] how to fix read only USB key?

 


> On 4 Jun 2015, at 08:51, Eion MacDonald <eionmac@xxxxxxxxxxxxxx> wrote:
> 
> 
> 
>> On 04/06/2015 06:37, Simon Robert wrote:
>>> On 4.06.2015 00:56, Eion MacDonald wrote:
>>> Dear folk, stupidly I cancelled a half written linux with uNetbootin to
>>> a USB key. I find it mounts 'read-only' and GParted  will not reformat.
>>> Is there a way to recover a usable USB Key from 'read-only' status to
>>> read-write status?
>>> Any help appreciated.
>> I have found that sticking it into a windows box and following the
>> prompts for reformatting does the trick, afterwards you can reformat
>> with linux to whatever you like.
> 
> Thanks for this, however
> a) Tried this in Windows, but USB shows as 'read only' format option
> greyed out
> b) Tried similar with Ubuntu create disk using 'erase' option, again
> error (lots of detail ) says 'locked read only'
> c) GParted gives similar error
> d) Tried sudo pharm -r0 /dev/sdb,    no fix obtained. shows "0" as result.
> It think that it is set to be rad only and appear as a CD with no write
> capability.
> Any other hints form any one?
> If no fix then trashed USB key  = learning at a cost.
> Thanks Simon for your response.
> -- 
> regards
> Eion MacDonald
> 
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Head the the sandisk website, there's a formatting utility there which i've used to 
repair several borked units during experiments with dd. it's freeware (as in cost) & 
runs on windows. I'd find you the link but im on my phone & its a bit fiddly!
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