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Corrupted SD Card Fix?

Corrupted SD Card Fix?

Postby ZX81v2 » Mon Mar 19, 2018 2:00 pm

Hi folks... I got a weird one...

I purchased a micro SD card a couple of weeks ago from one of these "Cash Converters" type chains.
The card is 64gig and formats fine on PC and PSP3k
However....

Once you start filling it up, you get a error after ~5gig that the destination folder caused an error - destination is corrupted.

At this point the new contents copied over is unreadable..

My first thought was "GROWL! They sold me a fake fekking card Grrr.."
However, I did a FULL Surface Scan and guess what?
Every sector is marked as WORKING, bytes add up to correct size of 64gig (Minus headers)
So formatted it using Windows (this time) copied the PSP files to card manually, started to add video files... Corruption....
SEVEN and a Half Hours to Surface scan this bloody thing...

Now spending another several hours chkdsk /r to recheck for bad sectors....
I have NEVER had such a weird card before....
Only thing I can now think of is some sort of low level format... But can you safely do this to SD cards?!

Bloody typical too, got loads of files on PC for PSP and no space to install the bloody things thank to this card and wasting £20....
Packaging got trashed trying to get into the bloody thing too so sending it back to shop ain't gonna work.....
SO I ask the Audience... Any Ideas?!
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Re: Corrupted SD Card Fix?

Postby Gamerone » Mon Mar 19, 2018 2:32 pm

Sounds like you got one of those fake SD cards, they actually say they're larger than what they are. I got a few of those. There is a way to fix them, here's a link
https://www.google.com/search?ei=0MmvWs ... OACg_0:237
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Re: Corrupted SD Card Fix?

Postby kremiso » Mon Mar 19, 2018 2:42 pm

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Re: Corrupted SD Card Fix?

Postby ZX81v2 » Mon Mar 19, 2018 2:47 pm

Thanks both, I'll see what happens
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Re: Corrupted SD Card Fix?

Postby viperxl2 » Mon Mar 19, 2018 3:43 pm

This might not make any difference but have you tried different allocation sizes?
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Re: Corrupted SD Card Fix?

Postby ZX81v2 » Mon Mar 19, 2018 3:57 pm

at the moment I am filling it with stuff (52gig's worth) of random files just to check file structure is holding...
I will max it out just to make sure all data is intact.
Yeah, tried several allocation methods.
If this don't work, I'll format it NTFS and see if same shit happens...
If it does, it's going in bin, after I have set fire to it....
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Re: Corrupted SD Card Fix?

Postby brianunfried » Mon Mar 19, 2018 4:07 pm

You got a counterfeit card, happen to me before. You have a 4gb disguised as a 64gb, there is no fixing it. Return it.
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Re: Corrupted SD Card Fix?

Postby TatsumaYakoshi » Mon Mar 19, 2018 5:00 pm

Defiantly Fake.
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Re: Corrupted SD Card Fix?

Postby WalkingDead » Mon Mar 19, 2018 5:58 pm

i find when a sd or usb thumb is being a bitch to reformat,if that don't work...find a macintosh and format it standard mac format,go back to the pc and reformat and it is normally good to go
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Re: Corrupted SD Card Fix?

Postby XamX » Mon Mar 19, 2018 6:24 pm

My guess is also that it's a fake one that only has 2-4GB and works fine within that reach but once you try to copy more data on it that thing can't handle it because there is no more space.
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Re: Corrupted SD Card Fix?

Postby ZX81v2 » Mon Mar 19, 2018 6:27 pm

Thanks folks. The Card if FUBAR so it's toast....
I gonna go in shop tomorrow and talk to manager about the cards... Not gonna get money back but rather warn him/her about the duff SD's they are selling....
Shit happens, next person might not be as friendly as me....
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Re: Corrupted SD Card Fix?

Postby Dildo_Schwaggins » Mon Mar 19, 2018 8:37 pm

ZX81v2 wrote:Thanks folks. The Card if FUBAR so it's toast....
I gonna go in shop tomorrow and talk to manager about the cards... Not gonna get money back but rather warn him/her about the duff SD's they are selling....
Shit happens, next person might not be as friendly as me....


No you should get your money back if defective product.

what happens when you plug it into a windows pc, and do scan and fix?

I believe cards over 32mb must be sdhc and therefore may not be compatible with everything. But if you are buying from pawn shop, it's probably fake.
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Re: Corrupted SD Card Fix?

Postby ZX81v2 » Mon Mar 19, 2018 9:12 pm

It was brand new in packaging when I brought it. Had to cut open packaging to get into it, mrs binned it...

The card formats to stated size of 64gig using everything I lob at it.
I even did a Surface scan and encountered no problems

error 0x80070570

when putting files on it.

Swapped USB Devices and ports, same issue.

Formats fine on PSP same results...
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Re: Corrupted SD Card Fix?

Postby SleepyFist » Mon Mar 19, 2018 10:41 pm

Those counterfeit cards have a bit of fuckery onboard where it intentionally misreports the size to the system, it will format properly and it will always read as being the proper size but it's really a much cheaper unit that's been modified to read as being larger.

I think this is the relevant video, admittedly a much larger capacity being faked, but still the same principle.

https://youtu.be/UWnZUOJeoTs
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