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[Q] SD Card Problem

Can someone help me on this.. every time i plug my sd card to the PC it says "Format disk?" and when i plug it to my phone, it says "Blank Sd card". i can't reformat it and i can't access the files in my sd card..
i've tried several formatting tools, revery tools, but none of them work..
My sd card is SanDisk 2GB MicroSD card..
i Hope there is a solution..

There are a ton of threads on this. Search through and use a couple of them.
Sounds like you have a bad card or your are not unmounting the card in your phone.
Some viruses and rootkits will prevent your pc from formatting or recognizing external media. Verify your computer can recognize other cards.

yeah i know there are lots of threads about this.. but , no luck, non of them work..i plugged it at other devices and still the same.. xD w/c means sandisk is bad?

ivanmnx078 said:
Can someone help me on this.. every time i plug my sd card to the PC it says "Format disk?" and when i plug it to my phone, it says "Blank Sd card". i can't reformat it and i can't access the files in my sd card..
i've tried several formatting tools, revery tools, but none of them work..
My sd card is SanDisk 2GB MicroSD card..
i Hope there is a solution..
Click to expand...
Click to collapse
same **** happened to me..(twice!) and appaerantly there isn't any easy way to recover an sd card from that state. Easiest (though most expensive) solution is to just buy a new one..

Yep - sounds like its broke. BUT consider that back in the day a floppy disk would run you $1 or $2. If you scaled that up a 2gb card would cost $1,400 to $2,800.
Makes me want to go backup.

sound like its broken, but try to use minitool partition wizard.
use this settings:
-Choose Create as Primary.
-Patrition type Ext2
-Cluster size 4Kb Cluster size 4Kb

[Q] Damaged SD card storage

Hello,
My Desire S is running on rom BlindMIUI_v2.5.25 which I loaded June 5th of this month. Suddenly since 3 days back it is saying "Damaged SD card storage" and also saying "Format USB storage, erasing all files stored there, action cannot be reversed"
Please advise should I format SD card? Will this solve the problem. If I format then I will try to save files and then will do it and restore the file again.
What happen is that if I reboot is for few time the SD card comes again and for no reason I disappear without any notice.
Please help me if there is any solution.
Brgds

Looks like It's corrupted. A format should fix it. Connect it to your computer via a memory card reader or mount it in recovery and backup everything to your computer if possible. Then do a full format of the card (uncheck quick format in Windows). After that use the 'format sdcard' option in recovery and then copy the backed up data to the phone.
Sent from my Desire HD using xda premium

format the sd card in a other format

Damaged SD card storage
sashank said:
Looks like It's corrupted. A format should fix it. Connect it to your computer via a memory card reader or mount it in recovery and backup everything to your computer if possible. Then do a full format of the card (uncheck quick format in Windows). After that use the 'format sdcard' option in recovery and then copy the backed up data to the phone.
Sent from my Desire HD using xda premium
Click to expand...
Click to collapse
Hello sashank,
Thanks for so prompt response. See I have just inserted another SD card and now phone does not get any SD card. It says "SD card is not available". From this it seems to me it is rom problem not the SD card. Am I correct? Should I change the rom and go for a newer version which is MIUI.us-2.6.8 or just a format will do?
Please advise.

Damaged SD card storage
darkion2411 said:
format the sd card in a other format
Click to expand...
Click to collapse
Hello darkion,
The phone is giving the option to format it. Should I do the format through phone or is there any other way to do it. Please advise me in details.
Would appreciate your help.

If your phone is giving an option to format it then use it. I find it strange that it didn't detect the other SD card too, but in any case if it's asking you to format it instead of just not detecting it then it doesn't seem like an issue with the card slot. So format it in the phone and see how it goes. Alternatively, go into recovery-wipe and format-format sdcard. I always use this for formatting my card as it works better then formatting it in the ROM itself, especially when my card gets corrupted.
Sent from my Desire HD using xda premium

You should not forget to simply clean your sd-card and the slot in your device a little bit. This might be an easy solution, you should at least try it.
Or maybe you've already done .. ?

Damaged SD card storage
sashank said:
If your phone is giving an option to format it then use it. I find it strange that it didn't detect the other SD card too, but in any case if it's asking you to format it instead of just not detecting it then it doesn't seem like an issue with the card slot. So format it in the phone and see how it goes. Alternatively, go into recovery-wipe and format-format sdcard. I always use this for formatting my card as it works better then formatting it in the ROM itself, especially when my card gets corrupted.
Sent from my Desire HD using xda premium
Click to expand...
Click to collapse
Hello sashank,
What I did is I formatted it in the PC so as in recovery as you said in the earlier response. The phone give the option but it does not work so I could not formatted it through phone.
It seems like working now. Phone shows there is SD card and through file explorer I can go to SD cards file. But only thing is that when I go to SD card files through file explorer, it take few seconds to retrieve the SD card files which never happened before.
Thanks for all your help.

Ok, when you format it in the PC, if you're using Windows, choose a cluster size of 32k in the format window. It gives a better read and write speed, especially read speed. So the SD card shouldn't take that long to show files. In general you'll see the card is giving faster speeds, both on the phone and when transferring files from the computer.
Also there's another way to increase the read speed of the SD card in the phone, which is by setting a higher read ahead speed. If you want to know more you can search about it, but otherwise just install this app SD Speed Increase, set your read ahead speed to 2048kB and tick 'set on every boot'. You shouldn't feel any SD lags after this. This speed increase is only on the phone though, won't reflect if you're transferring files from a computer. You need to be rooted for this to work.

Unable to use SD card?!

Hi all,
I recently, erased all data on my SD card (using the "Erase SD card" option in settings > storage). Once this had completed the total space went back up to 7.4GB but available space went to 0.00B! I've rebooted the phone, unmounted and re-mounted the SD card and still available space is set to 0!
What could I possibly be doing wrong?
Thanks,

Use a card reader and connect the SD Card to your computer, if it doesn't show up, use a partition tool to partition the SD Card, such as MiniTool Partition Wizard.

Sadra.. said:
Use a card reader and connect the SD Card to your computer, if it doesn't show up, use a partition tool to partition the SD Card, such as MiniTool Partition Wizard.
Click to expand...
Click to collapse
Thanks for the help. What an absolute ball ache though! Why is the "erase" option included if it's going to cause these issues? Would have been better off deleting each folder manually.

RESOLVED
I actually managed to resolve this by erasing from settings a couple more times :S

Broken SD Card

Hi. I'm using my SD Card formatted as internal storage and yesterday my phone stop detect it I try to romove and put again, restart phone and it's not work. I have important data on this card, so anyone knows how can I extract them? External reader or something? Please help.

On windows, use EaseUS Data Recovery Wizard

It'll work when I formatted card as a internal storage (when you insert a SD card for the first time on a Marshmallow device, you can choose to either use the card as Portable Storage or Internal Storage)? That's main problem... And if yes, how can connect this card to PC when my phone didn't recognize the card?

problem formatting SD card

Hi All,
I have a problem with my SD card. (Sandisk 32gb).
The SD card was used in an android phone and formatted as internal storage, which I'm guessing encrypts the data as well.
In order to use another card in the phone, the card was removed and 'forgotten' in the phone (yeah... not very smart...)
I have already come to terms with the fact that my data is now lost forever, since the key for the encrypted data was deleted. I'm trying to reformat the card so I can use it again.
The problem: I can't format the SD card.
I've tried the following solutions, which did not work:
- Try to format the SD card using the phone. -> this gives an error message.
- Try to format the SD card using a computer:
The card doesn't show up in explorer, so I worked around using EaseUS partition master, when I try to wipe the disk, or when I try to delete partitions, I get an error. When I do a surface check, the program crashes.
- Try to clear the SD card using DiskPart, which gives a 'Data Error (cyclic redundancy check)' error.
What else could I try?

If you format your SD card directly from a PC, your choices are NTFS (which an Android device can't read) or FAT32 (inefficient & doesn't support files greater than 4G).
The best way to format an SD card is using the official SD Card Formatter from the SD Association:
https://www.sdcard.org/downloads/formatter_4/
This will format the card as exFAT which is supported by Android, while maximizing storage space.. Download, install, format, enjoy!

EEngineer said:
If you format your SD card directly from a PC, your choices are NTFS (which an Android device can't read) or FAT32 (inefficient & doesn't support files greater than 4G).
The best way to format an SD card is using the official SD Card Formatter from the SD Association:
This will format the card as exFAT which is supported by Android, while maximizing storage space.. Download, install, format, enjoy!
Click to expand...
Click to collapse
Thank you EEngineer for reacting so quickly!
I've tried the SD card formatter you recommended. However, although the card is recognised by my computer, it is not assigned a drive letter for some reason (I've tried to give it one using disk management, without success (it basically gives a cyclic redundancy check error every time I try to do anything with it)) and it doesn't show up in explorer. It follows that my card is not recognised by the formatting program, and so I can't get it to work.
My hypothesis is that the phone has formatted the card so that it cannot be read by my computer anymore and then threw away the key, so that it cannot be read by anything anymore. (which really sucks, because there's probably nothing wrong with the hardware of the card, and yet I'm going to have to throw it away if I can't get it to work)
Any other ideas?

Josh458 said:
Hi All,
I have a problem with my SD card. (Sandisk 32gb).
The SD card was used in an android phone and formatted as internal storage, which I'm guessing encrypts the data as well.
In order to use another card in the phone, the card was removed and 'forgotten' in the phone (yeah... not very smart...)
I have already come to terms with the fact that my data is now lost forever, since the key for the encrypted data was deleted. I'm trying to reformat the card so I can use it again.
The problem: I can't format the SD card.
I've tried the following solutions, which did not work:
- Try to format the SD card using the phone. -> this gives an error message.
- Try to format the SD card using a computer:
The card doesn't show up in explorer, so I worked around using EaseUS partition master, when I try to wipe the disk, or when I try to delete partitions, I get an error. When I do a surface check, the program crashes.
- Try to clear the SD card using DiskPart, which gives a 'Data Error (cyclic redundancy check)' error.
What else could I try?
Click to expand...
Click to collapse
Have you tried fdisk command?

There has been some time in between posts. Sorry for that. I really appreciate you helping me out.
I'm quite keen to get this issue resolved, since if I don't I've just wasted some money...
[email protected] said:
Have you tried fdisk command?
Click to expand...
Click to collapse
Yes, I have already tried fdisk. It resulted in the same error described above.

Josh458 said:
There has been some time in between posts. Sorry for that. I really appreciate you helping me out.
I'm quite keen to get this issue resolved, since if I don't I've just wasted some money...
Yes, I have already tried fdisk. It resulted in the same error described above.
Click to expand...
Click to collapse
Try SD formatter for Windows, it has some tools to diagnose/repair SD cards.
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