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(if this is in the wrong section I apologise)
This isn't a problem for myself, I'm trying to help my brother's girl
Basically, when her phone has the SD card inserted, it says its unmounted yet it won't mount. So, tried plugging it into a PC with an SD adaptor and it doesn't even show up...
Is there a way to fix this or is this SD card busted?
Thanks in advance
Sent from my R800i using xda premium
The fact that you cant even get the card to show up as mounted in Windows is not a good sign.
Was there important stuff on there? If so, you could try one of the SD Card recovery programs. I've used them in the past, but if you cant even get it to mount in the PC, they are probably not going to work.
But, to me, it sounds like the card is busted. Do you have another one you could test the phone and adapter with? If not, try and exchange it if it isnt too old.
erg.cgs said:
The fact that you cant even get the card to show up as mounted in Windows is not a good sign.
Was there important stuff on there? If so, you could try one of the SD Card recovery programs. I've used them in the past, but if you cant even get it to mount in the PC, they are probably not going to work.
But, to me, it sounds like the card is busted. Do you have another one you could test the phone and adapter with? If not, try and exchange it if it isnt too old.
Click to expand...
Click to collapse
Tried putting it into another phone and its still showing up as Unmounted with no option to remount it.
All that was on was a few music files and other assorted useless junk
Sent from my R800i using xda premium
What's her SD?
Some fast and high capacity micro SDHC are damaged I don't know why. I tried once a Patriot 32gb class 10 and it got broken in about 1 month of usage. The same occurred with a Sandisk 16gb class 10. Don't know if it's an app that is causing it. Now I'm using a Samsung 16gb class 2 normally. The broken SD were recognized in Windows as RAW partition.
I tried some Fixers without success. You may try them.
https://www.sdcard.org/downloads/formatter_3/
Take a look at this too:
http://forum.xda-developers.com/showthread.php?t=367912
Just a note: Most android devices only allow FAT(32) partitions. NTFS shouldn't work.
I can't seem to format my MicroSD from the phone, cwm or PC. I can't upload or delete files. Its stuck with my old files on it for some reason!?!?!?
Your microSD or your internal SD?
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
my extsd = microsd = 32gb
fail
wrong section guys this should be posted under Q&A not developers thread
Ah true! Needs to be moved!
Could be the copy protection slider got moved to the locked position.
Sent from my SAMSUNG-SGH-I727 using xda premium
There is no lock on it, its a microSD...
Funny thing is I tried every possible way to Format it and all show "format complete" then when I remove the card and plug it back it shows the old content again...
Well its a common issue apparently, contacted Sandisk and had my MicroSD RMAed. Now the thing is I don't want this to happen again, who might know why my Android locked my MicroSD? Is it the custom ROM, is it an app that grants read write access like Titanium backup? What could it be?
I've never had it happen to my San's lol try putting it in an SD adapter already in a locked position then put in unlocked position and place in computer
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
Try going to the micro sd folder on your computer and highlight all the folders and delete if you havent tried
I tried everything, had it RMAed now got a new microSD from Sandisk...cost me shipping so hope this doesn't happen again...
Did you try a low level format
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
Every possible formatting way was tried. CMD, special software, through windows (quick and full), through the cell phone, directly through a microDS reader, different microSD readers, different computers.
Like I said I tried everything!
TurboTronix said:
Every possible formatting way was tried. CMD, special software, through windows (quick and full), through the cell phone, directly through a microDS reader, different microSD readers, different computers.
Like I said I tried everything!
Click to expand...
Click to collapse
sounds like u didn't low level format, to be honest. I less u specifically used a low level format tool or did this command from Linux:
dd if=/dev/zero of=/dev/sda1 bs=1m
u didn't try everything my friend. none the less doesn't matter, glad u got a new one on the way
i have the same problem i format on my galaxy note plug in to my pc i format it change it to ntfs and once is finished 100% formated i un plug it out y plug it in and everything comes back like if it didnt happend what i did help
You have to RMA it there is no other way, it is locked for good. I spoke with SanDisk and that's what they told me. It happens allot with the 32GB microSDs when used in cell phones.
the same thing happened to me with my sandisk 32 gb class 4 card.
it wouldn't format or write any files to the card
but it would still read the files and copy them off the card without any problem
It was a very odd issue. Considering the card has a 5 year warranty i contacted sandisk and they said it was defective and they gave me a prepaid label to send it to them.
i told them it had personal info on the card so they said to snap it in half or drill a hole in it which i did. So I sent it in then the day after they got it they sent me a replacement. Why did you have to pay shipping? Everything was free for me.
Hello everyone. I have been having issue after issue with this 64GB MicroSD I got recently. I bought it at a local Best Buy the other day (there was a sale going on; $49). It is a SanDisk 64GB Class 10 MicroSD. I got home and formatted the card. I formatted it in FAT32 with the HP USB Format Tool that I always use for SD cards. Well, the moment I put it in, it said that it was damaged (occasionally said that it was blank). I tried removing it and reinserting it, and the same thing. I have tried putting it in a different GSIII as well as a Droid Razr, and same. I tried reformatting with the same tool, but this time doing a long format. Same problem. I also tried EaseUS Partition Master. Same problem. I have also tried using a live build of Parted-Magic. Same problem.
I am starting to think that the card is a dud, except for two things:
1: It works fine in my PC. It reads the exact amount free, it shows all of my files, and it let's me play them with no issue.
2: It shows up in Clockworkmod just fine. I can back up to it and flash from it with no problem.
I am really just left here scratching my head as to what the problem could be. I made sure that all of the settings are correct each time I formatted it. I have tried switching ROMs and still get the same problem. I have tried just about everything that I can possibly think of to get this card working. I am hoping that someone can help me with my problem.
You can call them and they will send you a new one, I did it about a month ago.
I was having similar problems.
Sent from my SCH-I535 using xda app-developers app
Do you think it is a problem with the card? If so, I am still within my return limit at Best Buy. I can just take it there instead of waiting on a replacement. Just wasn't sure if it was the card or something I was doing.
It's a problem with the card. I had the same problem with a 32Gb card from Sandisk. Files could be seen for a day and then disappear! I could tell the camera app to save to the card and that would also work for a while only. Fo/ders create on the card via the computer would do the same. In one situation I created a folder on the PC, copied a film to it, viewed the film in my phone add took some still from the film. The next day the film and folder was gone put the still -stored on the internal memery- were still there.
Contact sandisk. They must be aware of the issue.
stompysan said:
Hello everyone. I have been having issue after issue with this 64GB MicroSD I got recently. I bought it at a local Best Buy the other day (there was a sale going on; $49). It is a SanDisk 64GB Class 10 MicroSD. I got home and formatted the card. I formatted it in FAT32 with the HP USB Format Tool that I always use for SD cards. Well, the moment I put it in, it said that it was damaged (occasionally said that it was blank). I tried removing it and reinserting it, and the same thing. I have tried putting it in a different GSIII as well as a Droid Razr, and same. I tried reformatting with the same tool, but this time doing a long format. Same problem. I also tried EaseUS Partition Master. Same problem. I have also tried using a live build of Parted-Magic. Same problem.
I am starting to think that the card is a dud, except for two things:
1: It works fine in my PC. It reads the exact amount free, it shows all of my files, and it let's me play them with no issue.
2: It shows up in Clockworkmod just fine. I can back up to it and flash from it with no problem.
I am really just left here scratching my head as to what the problem could be. I made sure that all of the settings are correct each time I formatted it. I have tried switching ROMs and still get the same problem. I have tried just about everything that I can possibly think of to get this card working. I am hoping that someone can help me with my problem.
Click to expand...
Click to collapse
I had so many problems witj mine i ended up flashing my phone clean and using the phones to format and transferring everything via usb cord and its working just fine now I think the big deal was a clean install
Sent from my SCH-I535 using xda premium
OK. I went to Best Buy and exchanged it the other day (lucky I bought it when I did; they marked it up to $99!). I am still having the same problem. I am not sure what I am doing right. I have been formatting and copying the files while it isn't in my phone. I am using my card reader in my desktop. Could this be the problem? Am I able to format it while it is in the phone without using the phone's format tool?
First you use the tool to format the card to fat32. Once you do that you are to install it to your phone then use the phone to reformat the card again so the phone can use it. Card will have issues with phones when you format it with the tool. Your suppose to format it with the phone as well after for it to properly work. Good luck
Sent from my IceCold 8.8 Inspire
Just thought I should post on here and let you all know what my problem was. I got it all sorted out and Play Music is showing all of my music. My problem was that EaseUS defaulted the partition as a "logical" partition. This was leaving about 75MB unformatted, and Android didn't know how to handle that empty space. After changing that to a "primary" partition, I have not had any problems. Serious derp on my part. Lol
Sent from my SCH-I535 using Tapatalk 2
I found that if you format the card from in the phone and then transfer data, you shouldn't have any issue.
Sent from my SCH-i535 using Tapatalk 2
If I've helped, please hit the thanks button.
I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?
Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
Sent from my SCH-I535 using Tapatalk 2
Addiso said:
Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
Sent from my SCH-I535 using Tapatalk 2
Click to expand...
Click to collapse
Well ****. I guess you're right, it just showed as unsupported file format.
nrock2256 said:
Well ****. I guess you're right, it just showed as unsupported file format.
Click to expand...
Click to collapse
Yeah I had actually a 16 gb one die on me, ordered me a 32- one and has been running good so far..
Sent from my SCH-I535 using Tapatalk 2
Addiso said:
Yeah I had actually a 16 gb one die on me, ordered me a 32- one and has been running good so far..
Sent from my SCH-I535 using Tapatalk 2
Click to expand...
Click to collapse
And now its not. This is frustrating. I don't want to spend money on a new card dammit.
Try booting a linux live cd and see if you can save anything, thats how I recover deleted tomtom maps in the past.
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Addiso said:
Actually you can't, your sd card is corrupted and it's known to happen with this device that's why I always keep a weekly backup on my computer with everything. Especially the ones ordered from amazon the high capacity ones as far as I've seen.
Click to expand...
Click to collapse
Is the SD card damaged or can it just be reformatted with a card reader on a PC (fat I am assuming)?
I was about to start using an SD card to backup the internal storage. It doesn't sound like this is the best option and backing it to my PC would be better.
My set up to start was cleanrom 6.2 with envy kernel running fine for a week. I had my sd card disappear today twice. PNY class 10 32gb less than 2 weeks old from best buy. Popped it in my pc and it was recognized no problem. So I transferred my data, formatted in fat 32 popped it in phone, no problem. Transferred data back and was Ok for a few hours. Swapped my battery for a freshly charged one and upon boot, phone said the card was damaged, to reformat it. So, I pulled it out and popped it in my pc. Pc said card was damaged. I opened a command prompt and ran a chkdsk /f and it fixed an issue with the file system. I then proceeded to restore my cleanrom 6.2 backup. So far so good. I am thinking it had to do with an app, but I can't be sure. Upon googling this, it seems that some people have had an issue with external sd cards with this phone.
Sent from my ASUS Transformer Pad TF300T using xda premium
nrock2256 said:
I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?
Click to expand...
Click to collapse
I'm not sure exactly what brand or model you have for your SD card or when you purchase it. However if its a SanDisk and it was purchased before December 2012 there's a chance that it was part of a bad batch. I had the exact same problem with mine I have a UHs 1 32 gig SanDisk. I read somewhere on the internet that there is a known problem with SD cards from that company built before December. When I spoke with SanDisk they confirm that and said the newer batches have been corrected. Long story short if you're using an ultra high speed or for that matter any card by SanDisk call up there customer service explain to them the problem and they will send you a brand new one. The entire process took about a week for me.
Sent from a Shaftamle Galaxy S3
Please hit the "Thanks" button if I helped you!
Did you try my suggestion? Ive recovered numerous files using a linux live cd and/or a mac. Try putting the card in a network printer or mem card reader if linux and mac os isnt possible. Ive recovered my files, including those from a 16gb micro sd card, using those methods in the past.
Okay, so it works
Alright alright, i didn't expect this to get many responses. Anyway, it now works. It appeared to be fried, my mac, PC, ubuntu machine, and OG droid wouldn't even recognize that a card was inserted. Nor would my GS3. My solution? after turning it on and off a few times, I just left the card in it and set it aside for an hour. Lo and behold, it now works. The SD now works. It was fried, and is now unfried. I don't know how, I just guess I am lucky. Or aliens. Either way, I am happy. Not gonna jeep anything more than music on it though... Ah well, thanks for the help XDA!
If I were you, I'd back up everything on that card to my pc, and exchange it if under warranty. If not, chuck it, and purchase another card.
Not worth taking the risk again.
Consider yourself lucky so far
nrock2256 said:
I've had a 32 gig micro SD in my phone for a while now. I recently took my Siii out of my pocket only to find that it says the SD is unmounted. Odd, but not unheard of in the world of custom roms (paranoidkangdroid 2.something, rather recent though, 4.2.2 JB) So i do the sensible thing: Run into the storage menu, and lo and behold, its not registering. I pop it out and in, not registering. I reboot, and the damn thing still isn't registering. Then I take an old 2 GB micro SD and try it. This one worked just fine. 32 gig however does not. I move to my PC. Pop it in a micro to regular SD adapter, and the computer doesn't mount it. It does mount every other microSD of mine though. So can anyone tell me what the hell happened, and how I can recover my stuff?
Click to expand...
Click to collapse
So I have had my sd card corrupt a few times now, so far this has seemed to help me recover my data.
http://www.cgsecurity.org/wiki/TestDisk_Download
The problem could be a sandisk SD card:
(Outside link) crave.cnet.co.uk/mobiles/samsung-galaxy-s3-fault-is-caused-by-sandisk-memory-cards-50010684/
I read about the SD problems after just getting the S3.. decided to get a different brand card from the store.
Hey guys, would appreciate if someone could give me some help on an issue I'm having with a 32 gig SD card (SanDisk Class 10 bought at Best Buy so it's definitely legit). Anyway it worked great for a long time, however, recently I tried to use the Gremlin Remover on my phone, it crashed and burned in the middle of the process as I've heard can often happen with Gremlin Remover. I did a restart, and after that problems began to appear with my SD card. Almost all the data on it disappeared and it started to constantly mount and dismount from the phone. I thought it might have just been the failed Gremlin Remover run, so I reformatted it in Windows, put Gremlin Remover, black hole system wipe, and my ROM back on and did a complete wipe and restore of the phone, card seemed to be working okay, but then the next day it started dismounting and saying it had been unexpectedly disconnected again. Now I can't get the phone to recognize it at all so I can't connect it to Windows to get it formatted. The strange thing is that my tablet (Asus Transformer TF300) can mount the card and read the data on it. However I can't reformat from the Asus since it won't mount as USB storage in Windows. Is it probable that the card is completely fried? Or does it maybe just need a good reformat? If a reformat would fix it, how would I go about doing it? Is it possible to reformat through terminal commands? Or some other way? Anyway thanks in advance for any help.
I too have a Sandisk class 10 uSD card that just recently failed on me. It started losing files one night, then it stopped mounting. Now it just shows up as a 30-something MB drive that I can't format. I have tried many methods of restoring it to no avail.
Maybe try to format it using external sd card reader? microsd to sd?
I think there's a known issue with these cards. I bought one of these a couple wks ago from a deal posted on slickdeals.
I haven't had any problems with mine but after the purchase I started reading comments in the thread about how these cards are known for mount/dismount trouble and high failure rates. I believe in still under my return period with Amazon so I've been debating exchanging it for a different brand like Samsung. Sorry, I'm at work posting on my phone so I can't post a link.
Sent from my SAMSUNG-SGH-T769 using xda premium
theprogram1 said:
Maybe try to format it using external sd card reader? microsd to sd?
Click to expand...
Click to collapse
This has already been tried, without any luck. I tried to format via Disk Utility on Mac OS, numerous drives tools under Windows, and gdisk under Ubuntu, and nothing will revive it. Zed's dead.
Chitown021 said:
I think there's a known issue with these cards. I bought one of these a couple wks ago from a deal posted on slickdeals.
I haven't had any problems with mine but after the purchase I started reading comments in the thread about how these cards are known for mount/dismount trouble and high failure rates. I believe in still under my return period with Amazon so I've been debating exchanging it for a different brand like Samsung. Sorry, I'm at work posting on my phone so I can't post a link.
Click to expand...
Click to collapse
I too saw a number of reviews that noted the same type of failure, so I may end up giving another brand (like Samsung, as you suggested) my business. Sandisk does not seem to want to take any responsibility for my uSD card failing after only 8 months of normal use.
namaui said:
I too have a Sandisk class 10 uSD card that just recently failed on me. It started losing files one night, then it stopped mounting. Now it just shows up as a 30-something MB drive that I can't format. I have tried many methods of restoring it to no avail.
Click to expand...
Click to collapse
Same thing happened to me when I tried to format. Been meaning to thank you guys for all the comments, good to know it's not just me. Anyone have luck with RMA's?