How to repair corrupted sd card?

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noellenchris

Inactive Recognized Developer / Retired Moderator
May 11, 2007
2,599
886
Marlton, NJ
does anyone know how to undelete or repair an sd card? It's happened a few times and I usually format and start over. Any help would be appreciated.

Chris
 
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Ronald Methew

New member
Dec 19, 2013
3
1
It is just the same problem recently happened to me. Make use of Remo
recover that helped me a lot to recover entire files from corrupted SD
card at one go. I always use this tool whenever face data loss problem on
any memory card.
 

ankidroid

New member
Apr 5, 2014
1
0
I have the same problem as DroidsConcept, ledzgio and ClementNg23. I can read all the files that already were on the SD Card but it's pretty much read only now (though I can delete those files on my phone, not on PC, but they reappear later, I can also upload new files by USB when the card is in my phone, but they are unreadable). The card wasn't even removed from the phone since it put it there.
I tried pretty much everything: chkdsk and testdisk find no problems, the filesystem seems OK. I cannot format it in any way, diskpart cannot delete the partition (though it claims it did), sometimes the applications appears to be doing something but cannot finish it (for example, when I try full format in compmgmt.msc, it seems to work but when it reaches 100% it claims it was unable to finish the operation and nothing changes on the card). Some applications show the correct size of the card, some incorrect (29 GB instead of 64 GB).
Of course, I tried different adapters and also tried all this with a SD card reader directly with micro SD.

I'm not looking for a way to restore the data, just to fix the card or at least delete the data.
 

dr_mrh

Senior Member
Dec 1, 2010
61
3
kayseri
İ HAVE A 8 gb micro sd class 10 sandisk
it was corrupted when i want to use on my lg
the sd card size is only 30 mb instead of 8gb
i cound not format it
pls help
i use sd formatter windows formatter cmd chdsk but couldnt
 

chubbakachuchuchu

New member
Jul 19, 2014
2
0
Safety first!

Hi all !

no matter what you try to recover your data... i would highly suggest you to make a backup of your corrupted card.

Sound strange - i know but with a valid backup of your corrupt data you always have more chances to try different methods or suggestions.


I've used Win32DiskImager to create a binary backup of my broken sd card.

.... if something goes wrong during the recovery process you're always able to write back your backup of your SD card to try another solution...

regards,

chris

---------- Post added at 10:36 AM ---------- Previous post was at 10:09 AM ----------

Hi all !

no matter what you try to recover your data... i would highly suggest you to make a backup of your corrupted card.

Sound strange - i know but with a valid backup of your corrupt data you always have more chances to try different methods or suggestions.


I've used Win32DiskImager to create a binary backup of my broken sd card.

.... if something goes wrong during the recovery process you're always able to write back your backup of your SD card to try another solution...

regards,

chris

Sometimes the filesystem on the card gets corrupted. It can happen for example if the card was ejected while a file operation on it was in progress. When that happens you might have trouble accessing some of the files, loading times for some directories in file explorer may be very slow.
You can attempt to fix it using the desktop windows' built-in chkdsk utility.
Open up command prompt (start->run->cmd.exe) and type
chkdsk /X /F <SD card drive letter>
My SD card reader is X:\ drive, so i wold use the following command:
chkdsk /X /F X:
SD card reader is recommended, but probably not necessary because it should also work with WinMo's built-in USB mass storage function or wm5torage.

Under linux you can check/fix the card's filesysterm and in some cases undelete a file using fsck.vfat or dosfsck (single tool, two possible names). Refer to its help for more details.


did the trick for me - THANKS
 

namila007

Senior Member
Jan 4, 2011
566
38
kurunegala
OnePlus 9
I have the same problem as DroidsConcept, ledzgio and ClementNg23. I can read all the files that already were on the SD Card but it's pretty much read only now (though I can delete those files on my phone, not on PC, but they reappear later, I can also upload new files by USB when the card is in my phone, but they are unreadable). The card wasn't even removed from the phone since it put it there.
I tried pretty much everything: chkdsk and testdisk find no problems, the filesystem seems OK. I cannot format it in any way, diskpart cannot delete the partition (though it claims it did), sometimes the applications appears to be doing something but cannot finish it (for example, when I try full format in compmgmt.msc, it seems to work but when it reaches 100% it claims it was unable to finish the operation and nothing changes on the card). Some applications show the correct size of the card, some incorrect (29 GB instead of 64 GB).
Of course, I tried different adapters and also tried all this with a SD card reader directly with micro SD.

I'm not looking for a way to restore the data, just to fix the card or at least delete the data.

I'm having the same problem. I have 16GB card and I can read all of my data which are not corrupted. But I can't write new files or format it.I tried to format, restore SD images but nothing working :( how to overcome this problem??

Sent from my HTC Sensation using XDA Free mobile app
 

namila007

Senior Member
Jan 4, 2011
566
38
kurunegala
OnePlus 9
Sometimes the filesystem on the card gets corrupted. It can happen for example if the card was ejected while a file operation on it was in progress. When that happens you might have trouble accessing some of the files, loading times for some directories in file explorer may be very slow.
You can attempt to fix it using the desktop windows' built-in chkdsk utility.
Open up command prompt (start->run->cmd.exe) and type
chkdsk /X /F <SD card drive letter>
My SD card reader is X:\ drive, so i wold use the following command:
chkdsk /X /F X:
SD card reader is recommended, but probably not necessary because it should also work with WinMo's built-in USB mass storage function or wm5torage.

Under linux you can check/fix the card's filesysterm and in some cases undelete a file using fsck.vfat or dosfsck (single tool, two possible names). Refer to its help for more details.

uits not working with my card :(
Code:
C:\Windows\system32>chkdsk /X /F H:
The type of the file system is FAT32.
Volume Serial Number is EAE5-6F9F
Windows is verifying files and folders...
0 percent completed.
C:\Windows\system32>
i can read my files.but cant format or do whatever.what should i do now? (MicroSD ):confused::confused:
 
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nubikom

Senior Member
Oct 24, 2013
57
3
Jakarta
If the SD card is corrupted then it will be because it has boot sector errors. Download DriveRestore Professional and you can scan your corrupted card for errors... you can then repair the card's errors when the product is activated. You can download a free trial at: www.pcrecovery.com/driverestore

3 times tried driverestore to diagnostic scan my samsung sd card but when it's found disk mayor error at 10% of whole scan driverestore has stopped working and need to close?
I do try to chkdsk with cmd and cmd said that my sd card is oke, but when I load file to it then I can not see that file in my tablet, file was corrupted.
please give me another tools for repair my 32GB samsung sd card !
thanks in advance
 
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dazzler5

New member
Apr 9, 2015
2
0
what if chkdsk doesn't work

My micro sd card stopped working the other day and said it needed formatting. When I tried the chkdsk /X /f e: it says Cannot open volume for direct access.
Is there anything else I can do to get my photos back?
 

Dr4In

Senior Member
Sep 1, 2012
110
9
Sometimes the filesystem on the card gets corrupted. It can happen for example if the card was ejected while a file operation on it was in progress. When that happens you might have trouble accessing some of the files, loading times for some directories in file explorer may be very slow.
You can attempt to fix it using the desktop windows' built-in chkdsk utility.
Open up command prompt (start->run->cmd.exe) and type
chkdsk /X /F <SD card drive letter>
My SD card reader is X:\ drive, so i wold use the following command:
chkdsk /X /F X:
SD card reader is recommended, but probably not necessary because it should also work with WinMo's built-in USB mass storage function or wm5torage.

Under linux you can check/fix the card's filesysterm and in some cases undelete a file using fsck.vfat or dosfsck (single tool, two possible names). Refer to its help for more details.

What can i say Mr you save my day! i spend the whole day trying to find solution and i couldnt till i found this thread a HUGE THANK YOU! You are awesome! I tried sdformatter minitool partition nothing worked AHHHHH FINALLY! :D
 

hmaxos

Senior Member
Oct 11, 2010
70
2
Damascus
I guess I have done excessive cleaning to my SD card using Clean Master, CCleaner and a builtin cleaner so it got corrupt. As a precaution for the new SD, maybe it's better to keep the trash and not clean the SD too much.
 

eli000

New member
Aug 16, 2015
1
0
I need hope.

I have 2 micro sd cards. 1 32gb Saandisk and 8gb Transcend, both dead. UNREADABLE.

I read a lot of things to revive it. I did a lot of things. Still unreadable.
I don't need to recover the files, I just want to format it and make it work.
I used SD card reader and plugged it in a computer. and tried a LOT of things. I also tried inserting it on a phone but is also UNREADABLE.

Is there still hope in reviving theses sd cards?
 

blokva

Senior Member
Apr 3, 2012
74
4
Minsk
uits not working with my card :(
Code:
C:\Windows\system32>chkdsk /X /F H:
The type of the file system is FAT32.
Volume Serial Number is EAE5-6F9F
Windows is verifying files and folders...
0 percent completed.
C:\Windows\system32>
i can read my files.but cant format or do whatever.what should i do now? (MicroSD ):confused::confused:
The same problem!
All formatters write "Unlock write protection"
Can anybody help?

ps: SD card SP 64 Gb
 
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  • 86
    Sometimes the filesystem on the card gets corrupted. It can happen for example if the card was ejected while a file operation on it was in progress. When that happens you might have trouble accessing some of the files, loading times for some directories in file explorer may be very slow.
    You can attempt to fix it using the desktop windows' built-in chkdsk utility.
    Open up command prompt (start->run->cmd.exe) and type
    chkdsk /X /F <SD card drive letter>
    My SD card reader is X:\ drive, so i wold use the following command:
    chkdsk /X /F X:
    SD card reader is recommended, but probably not necessary because it should also work with WinMo's built-in USB mass storage function or wm5torage.

    Under linux you can check/fix the card's filesysterm and in some cases undelete a file using fsck.vfat or dosfsck (single tool, two possible names). Refer to its help for more details.
    8
    Instructions
    things you'll need:

    * SD Card
    * Computer
    * Internet Connection


    *1
    If your aim is to repair a corrupted SD card so that you can use it to store files then proceed to step #2.
    If your aim is to recover the files on the SD card without erasing them, proceed to step #5.



    *2
    Insert the SD card into a digital camera card slot and choose to format your card. If this doesn't work then move on to the next step...



    *3
    Place the SD card into your computers SD card slot.
    Right click on the SD card drive letter IF it appears and choose to "format."
    If this doesn't work, proceed to the next step...


    *4
    www.sdcard.org
    You will need to go to the website
    http://www.sdcard.org/consumers/formatter/eula/
    Here you will download, install, and run the program to format your SD card. This is the most advanced step of the three, but most likely to work 99% of the time.


    *5
    www.cgsecurity.org

    If you want to recover files ON your SD without erasing them, then you need to download and run the software on this site.
    http://www.cgsecurity.org/wiki/TestDisk_Download
    This is the best free software available for this type of problem.


    :D
    5
    Sometimes the filesystem on the card gets corrupted. It can happen for example if the card was ejected while a file operation on it was in progress. When that happens you might have trouble accessing some of the files, loading times for some directories in file explorer may be very slow.
    You can attempt to fix it using the desktop windows' built-in chkdsk utility.
    Open up command prompt (start->run->cmd.exe) and type
    chkdsk /X /F <SD card drive letter>
    My SD card reader is X:\ drive, so i wold use the following command:
    chkdsk /X /F X:
    SD card reader is recommended, but probably not necessary because it should also work with WinMo's built-in USB mass storage function or wm5torage.

    Under linux you can check/fix the card's filesysterm and in some cases undelete a file using fsck.vfat or dosfsck (single tool, two possible names). Refer to its help for more details.

    Thank you man, you are a life saver.....
    4
    I only recently became a (sort of) expert on this as I had a corrupted NTFS bootable partition on my macbook pro with a messed up Master File Table. Man, that was a nightmare.

    Anyway, the answer to this question varies greatly depending on the filesystem and the type of corruption you have. Standard Chkdsk might work (the windows utility) although I admit I have no idea how well that works on flash removable media.

    Other good options are TestDisk, and there are some other free options out there.

    Depending on how important your data is to you and how severe the corruption is you may need to go with a paid application. This is what I had to do because Master File Table corruptions in NTFS are particularly nasty (although some versions of them can be corrected by TestDisk). I recommend GetDataBack which worked great for me.

    In any case, try TestDisk out because its a very powerful tool and it is totally free. Read up on the documentation before playing around with it though, because you can cause irreparable damage to any one of your disks if you don't know what you are doing. Ideally make an image of your card using dd (built in linux utility, just type 'man dd' at the cmd line) before attempting to fix it so you can't do anything you can't undo.
    2
    don t format in the name of GOD!!!

    Please all keep in mind>>>> drive recovery pro is a nice solution,but formatting a hard drive is ok,and important.NOT A SD CARD!!!The continous files are different from the usual hard drive files!!
    NO NEED FORMATTING!!!
    In fact>>formatting an SD card lower the life time of the card with a good year or more!!Anyhow they made to survive only around two years!!!
    The continous upload and erase sssions are killing the SD card.BUT FORMATTING IS TH BIGGEST KILLER.Check the experts,what they say???

    Corrupted cards can be deffected from factory as wel,but drive check and restore is the best.The sectors are damaged,and not the fragmantation....

    helios