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08-21-2013, 06:06 AM   #1
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SD card format error fix?

I have a Trancend16GB (class4) that corrupted. The store where I bought it from years ago went bankrupt last year.

Not that there were anything precious on it, but I can't re-format it in a camera or on my computer.
How do I force it to reformat itself on my computer? Can I write zeros on it somehow?

Anything I can try before tossing into the trash bin?

Seb

08-21-2013, 06:12 AM   #2
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Have you made sure that the lock isn't pushed on it?
08-21-2013, 06:21 AM   #3
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If it's an old card and you have written and read it many times, it has probably reached the end of it's life. Camera's are picky about the type of format (in-camera formatting required) and you are asking for troubles when formatting is done via an alternative route. I would certainly not use such a card for a firmware upgrade.
A completely different reason can be that one or more contacts are disconnected from the memory because of repeated mechanical stress.
08-21-2013, 06:43 AM   #4
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Throw it out and buy a Class 10 card - they're not too much.

08-21-2013, 06:47 AM   #5
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The card was in my security cam and recorded roughly 16GB per month. Then wrote over old files for years in - 25C to +25C.
I never removed it before, so contacts are mechanically OK.

My intention was to store MP3 files on it to play in my car audio. Thats like throwing it out...

Seb
08-21-2013, 06:50 AM   #6
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QuoteOriginally posted by bassek Quote
The card was in my security cam and recorded roughly 16GB per month. Then wrote over old files for years in - 25C to +25C.
I never removed it before, so contacts are mechanically OK.

My intention was to store MP3 files on it to play in my car audio. Thats like throwing it out...

Seb
Sd cards die. They cost around $10 for a good one. Throw it out.
08-21-2013, 07:22 AM   #7
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Flash memory has a limited life : Flash memory - Wikipedia, the free encyclopedia

"Another limitation is that flash memory has a finite number of program-erase cycles (typically written as P/E cycles). Most commercially available flash products are guaranteed to withstand around 100,000 P/E cycles before the wear begins to deteriorate the integrity of the storage"
08-21-2013, 09:46 AM   #8
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I had some issues with the cam before, thought it was a software issue. Now I bet it was the card.
I already replaced it with a 8GB class 10.

Seb

08-21-2013, 12:27 PM   #9
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Yea I have seen many cards go bad. Easy cheap fix is to just try a new one.
08-22-2013, 02:29 AM   #10
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I have a 40ft ladder fully extended to reach the cam. So you bet I won't change it often...

Seb
08-22-2013, 02:45 AM   #11
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I wouldn't trust it all, bin it.
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