Re: SD card slot

2013-12-08 Thread Chris Murphy

On Dec 7, 2013, at 3:39 PM, bitlord bitlord0...@gmail.com wrote:

 On 12/07/2013 05:14 PM, Richard Vickery wrote:
 Hi Gang:
 
 I made the error of pulling the card out before unmounting it, and now
 the computer won't read a card -which may be obvious. Is there any way
 to fix this?
 
 Thanks,
 Richard
 
 
 Check dmesg after you plug in the sd card, file system on it may be
 corrupt, or maybe it is just broken, which is not uncommon for sdcards
 to just stop working.

Very common, in particular if it's SDXC. By spec they use exFAT which uses only 
one FAT so repair is more difficult than other formats. SDXC cards so formatted 
really should be treated as write only until ready to extract data, then read 
only until ready to reformat the media, and always reformat the media when you 
want to reuse it. And only reformat in the device used for writing (camera, 
video recorder, whatever).

Regardless of the formatting, but made more risky with exFAT, is using the 
camera interface to delete individual images. It's better to just copy 
everything off the card and then delete the photos you don't want.


Chris Murphy
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SD card slot

2013-12-07 Thread Richard Vickery
Hi Gang:

I made the error of pulling the card out before unmounting it, and now the
computer won't read a card -which may be obvious. Is there any way to fix
this?

Thanks,
Richard
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Re: SD card slot

2013-12-07 Thread Wolfgang S. Rupprecht

Richard Vickery richard.vicker...@gmail.com writes:
 I made the error of pulling the card out before unmounting it, and now
 the computer won't read a card -which may be obvious. Is there any way
 to fix this?

If the computer won't read *any* SD card even after a reboot, then it
sounds like you may have broken the SD card controller in the computer
by pulling the SD card while power was still applied to it. Sorry.

-wolfgang
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Re: SD card slot

2013-12-07 Thread bitlord
On 12/07/2013 05:14 PM, Richard Vickery wrote:
 Hi Gang:
 
 I made the error of pulling the card out before unmounting it, and now
 the computer won't read a card -which may be obvious. Is there any way
 to fix this?
 
 Thanks,
 Richard
 
 
Check dmesg after you plug in the sd card, file system on it may be
corrupt, or maybe it is just broken, which is not uncommon for sdcards
to just stop working.
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