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MicroSD card not working, need help!

I have a T-Mobile G2 with stock 8GB microsd card. I was recording a video about 45 secs into it and all of a sudden the phone froze, I am not sure if it got full caz just before taking the video I checked and there was ~1.8GB free space. After a while an message came up saying "Please insert a SD card" (something along those line), so I figured my card must be full.
So I decided to go try and delete some file on it, only to find out all my apps installed on SD card was now unavailable, this is when I started to worry. I rebooted the phone, no luck. I shut it down and removed and replaced the SD card, no luck.
Plugged it into a Windows PC (Win XP 32 bit), it would see it in My Computers for few seconds and would disappear, even if I try to access it, it was just disappear.
I have some pictures and videos that I had taken on vacation which I really need, any ideas?
Currently as a temp solution I have a 4GB Microsd card in it and everything is fine (obviously, apps still not available), but I need the data from my original 8GB as this is my main concern, please help.
Btw, I have tried using recovery software such as Recuva and testdisk but since windows won't even see the drive I cannot use such software.
Thanks a ton.

if the sd not detected in phone or pc, maybe the sd card already dead.

anyone please?
Thanks

Im not sure what else can be said. If you computer and phone cant see the card, then it's probably dead. All you can at this point is attempt to do a quick format of the card and try to use the recovery software on it to see if you can restore the file structure
Sent from my Desire Z via XDA App

mputtr said:
Im not sure what else can be said. If you computer and phone cant see the card, then it's probably dead. All you can at this point is attempt to do a quick format of the card and try to use the recovery software on it to see if you can restore the file structure
Sent from my Desire Z via XDA App
Click to expand...
Click to collapse
Yeh that is my last resort, but the problem is I cannot do anything as the drive disappears 2-3 seconds after windows detects it and when I try to do anything to that drive it just freezes for a while and closes itself.
any ideas??

if you have a digital camera insert the micro-sd via adapter make sure though to unmount the micro-sd via CWM for example, you should now be able to format the micro-sd card over the menu of your camera. if this doesn't work there's still hope you can try to format it on a linux based system but for now try to format it on your cam

Regular recovery methods won't work too good on an sd card, they were meant for spinning drives. Flash memory either works or it doesn't usually. Try cleaning the contacts and using different card reader/adapter combos. Try a linux live cd etc. If it's dead or corrupted, your kinda stuck. Even a format worked I wouldn't trust it again.

[Q] After Odin to KC1 stock, sd card and usb port problems

After an ODIN to KC1 stock, the phone no longer recognizes the external SD card and says it is not mounted -- but when it gets to the home screen, I can see progress messages saying that the phone is actually reading the external SD card.
Also, the USB port doesn't work right. When I turn on USB debugging, messages alternatively flash in the top status bar that USB is connected and USB debugging is connected, even when the USB cable is not plugged in. When I plug the USB cable in, I do not get any dialog in notifications allowing me to turn the USB on. If I turn USB debugging off, I can see an external drive in Windows explorer but cannot access it.
Now, when I try to turn on USB debugging, the phone tells me to disconnect the USB cable -- but it's not connected.
The phone, if turned off, does not want to boot unless I plug the USB cable in. It is very difficult to get a connection to the phone so that ODIN will run. Sometimes I can get it into download mode but ODIN won't recognize the phone. Sometimes I can ODIN when the phone displays the cell + comp error message.
ODINing KD1 stock gives the same results. The phone was not like this when I first got it.
Where should I go from here?

wow. thats a lot of problems that i havent seen yet. i would say start back fresh. remove the sd card and format it with your computer. then put the update.zip from krylons cwm, ext4 converter, and icbinb (or w/e rom you are flashing) on it and leave it. odin to kc1 from raver. let the phone sit for 10 min or so and then push the recovery file from krylons final cwm to the right place. once you do that, shut the phone down completely. put the sd card back in. it should only have those 2 or 3 files on it. reboot recovery, wipe everything, check your mounts, flash the ext4 converter and then the rom. let the rom sit for 15 min after that initial google boot sequence. once that is done, reboot reboot recovery and fix permissions. and see if those problems persist.

Do I need a driver for Windows XP to be able to write to the sdcard once it is converted to ext4?

The sd card isn't bring converted to ext4. Format it with it's default settings. You can always create an ext4 partition, but right now we are doing something else
Sent from my SGH-T959V using XDA Premium App

do I odin KC1 with the sd card in the phone or should it not be on the phone? I had it in the phone when I odined KC1.

since you had it in before, try removing the sd card and the sim card and odin. i never had a problem with them in, but some people have experienced problems.

got CWM installed after reformatting sdcard from phone using settings.
After reformatting the 16 gig sd card, the phone would still not mount it. I thought there might be something wrong with the card, so I found an old 4 gig sd card from another phone and formatted that and the phone was able to mount that card. For some unknown reason, the card is named “Blackberry” even though I never had such a phone. I could not install CWM, so I reflashed KC1 with odin, this time with no sim card or sd card in the phone. The phone still would not connect to the USB ports on my laptop, but on my desktop at work, it will connect.
The phone recognizes the SD card and I was able to move recovery to system/bin, but when I try to install packages, I get the following error message:
E:Can’t mount /dev/block/mmcblk0p1
(no such file or directory)
E:Can’t mount SDCARD:update.zip
Installation aborted
I checked /dev/block and sure enough, there is no mmcblk0p1 file.
Looking up that error, I have found threads and fixes for other phones, and one suggestion to format the sd card from the phone. I did that under settings after copying the undotted files and directories to the computer, and copied those files and directories back to the sd card.
I then did a recovery reboot and reinstalled packages. Finally, CWM installs.

thats pretty random, but im glad its working! let me know how the rom flashing goes!

So then I installed ext4 and the icbinb rom via CWM, but the phone just hung at the bootscreen until I went back to CWM and installed the Bali 3.3 kernel, which I had stuck on the sdcard just in case. The phone then booted up and the usb port now seems to be working properly, at least when connected to the computer at work. The root problem was the sdcard, which needed to be formatted from the phone and not from the computer. I'll have to see if I can get the other sd card to work. I still can only see the external sd card from windows, but maybe that is just the way this phone works. This is a big relief. Thank you very much for your help.
Now, all I have to do is get my Vibrant working. I took it apart to replace a broken screen and there have been all kinds of problems since. But that's another project.

you will only see the external memory on the sgs4g. you will not see the internal memory, as it is reserved for the system rom and ram

Does the 4G not have an internal SD card like the Vibrant?
The phone still has a few problems. The biggest one is that it will not start unless it is plugged in to a charger or usb cable, even if the battery is fully charged. I think for some reason it is not reading the battery and doing what a phone with a discharged battery would do. I forgot to take a charger or usb cable with me today and I got no phone. I haven't tried recalibrating the battery yet, maybe that would fix the problem. But at least the phone is running like an xda-developers special with all the bells and whistles now. Thanks.

No, the vibrant has 16gb on board, the sgs4g doesn't. you can only access the sdcard from the computer.
If battery calibration doesn't fix that startup problem, it may be a hardware problem
Sent from my SGH-T959V using XDA Premium App

USB connection problem.

first my rom and android version are not important coz i had usb connection working before with same build.here is the thing,one day i removed my external sd card from my phone and put it in my brothers k850i to listen some music on se speakers.when i finished i just removed it coz that phone doesn't have safe remove like ours does.when i placed sd card back in my phone i got error msg that i need to reformat my sd card,but i couldn't lose all my data since i was going on trip tomorrow.so i restarted the phone with sd card inside and it worked(everything no error msg).i went to trip and when i came bace i noticed the problem when i connected the phone to my pc(tryed both win 7 and win xp,i have 2 pc's) to copy some photos.i got 'USB device not recognized' error i tried doing recovery in cwm reinstalling drivers even removing sd card didn't help.sd card is working just fine in my phone and also when i place it in bro's phone and connect to pc i can copy files with no prob(tho when i reinstert it while phone is turned on i do get error for re format).only thing that is going on my mind that cable might be broken,but no1 used it while i was on trip so i dont think so.help needed urgent.

it happened with me also. Its all because of ****ing kies installatio. I dont know why it happens but it sometimes happens.
Do like this
1. uninstall kies & everything related to phone from computer.
2. backup ur external sd card data on pc with some card reader. Then format it properly. Then insert in phone. Again format from phone.
3. Restart computer. Install kies properly.
4. Connect phone in kies mode. Let computer install drivers properly.
4. If everything goes well then with card reader again fill up data in sd card. Then insert sd card in phone. Then try in mass storage mode.

vishal24387 said:
it happened with me also. Its all because of ****ing kies installatio. I dont know why it happens but it sometimes happens.
Do like this
1. uninstall kies & everything related to phone from computer.
2. backup ur external sd card data on pc with some card reader. Then format it properly. Then insert in phone. Again format from phone.
3. Restart computer. Install kies properly.
4. Connect phone in kies mode. Let computer install drivers properly.
4. If everything goes well then with card reader again fill up data in sd card. Then insert sd card in phone. Then try in mass storage mode.
Click to expand...
Click to collapse
okey thnc i dont have card reader but i will do it with my bro's phone will try it tommorow.

[Q] Phone SD not showing on PC...help

Hi all,
Have been having issues since last week with my phone connectivity to the PC. I'm able to connect it to my PC and see it in my device manager but my SD Cards don't mount. But in My Computer i do see an extra CD Drive & Removable Disk populate, though they contain nothing and when I select them they ask me to insert media. I have USB Debugging turned on and just did a fresh reinstall of the drivers.
Does anyone know what might be causing this?
Thanks,
Derek

Lastb0isct said:
Hi all,
Have been having issues since last week with my phone connectivity to the PC. I'm able to connect it to my PC and see it in my device manager but my SD Cards don't mount. But in My Computer i do see an extra CD Drive & Removable Disk populate, though they contain nothing and when I select them they ask me to insert media. I have USB Debugging turned on and just did a fresh reinstall of the drivers.
Does anyone know what might be causing this?
Thanks,
Derek
Click to expand...
Click to collapse
This should fix you up...
1) Power down phone
2) Remove card
3) Mount the card in a card reader on a Windows machine and have it do an error check (and automatically fix file system errors).
4) While Windows is scanning your card, boot your phone with an empty card slot and then shut it down again after the boot is complete.
5) When Windows has finished repairing the card, reinsert in phone and boot normally. If it was not a physical problem with the card it should work again.

badbeats said:
This should fix you up...
1) Power down phone
2) Remove card
3) Mount the card in a card reader on a Windows machine and have it do an error check (and automatically fix file system errors).
4) While Windows is scanning your card, boot your phone with an empty card slot and then shut it down again after the boot is complete.
5) When Windows has finished repairing the card, reinsert in phone and boot normally. If it was not a physical problem with the card it should work again.
Click to expand...
Click to collapse
Thanks for the suggestion! I tried it out and i'm still getting the same result. Both the internal and external sd's are getting mounted as a cd-drive and removable disk but they don't contain any information still. I tried reinstalling drivers again and it didn't help. Not sure what could be causing this issue...it's very weird.

Turn off debugging and try again. My cpu will not allow mtp mode with debugging on. Turning it off allows it to work (for me)
Sent from my SCH-I535 using xda premium

I flashed back to root w root66 and the re-flashed CMW and CM10. This fixed the issue, although now i'm getting greyed out connection bars on both wifi and 4g, though they're still connected. Any reasoning for this?

[Q] Damaged SD card / won't mount - fix?

So in short my Droid Charge's SD card is screwed up.
I keep getting the message Damaged SD Card message in my notifications and I click it every time to format but then it doesnt do anything. When I try to view my photo gallery it says the sd card is blank or that there is no sd card. It wont let me use the camera because theres no sd card.
I'm rooted running Tweaked 3.0 with the latest FP5 updates after unrooting back to stock in order to get them. Tried to Odin back to stock a few times and then reflashing Tweaked a few times and still the same thing. Did factory/data reset, cache wipe, dalvik wipe a thousand times as well.
I am able to mount the sd card briefly in ClockworkMod Recovery, to view the files on the sd card but then about a minute or less later the sd card seems to unmount itself and becomes unrecognizable. Same for when I connect the phone via USB to my Windows 7 PC. If I pull out the physical sd card from the device, put it back in, hit connect to storage...the PC will recognize it for about a minute basically teasing me, letting me transfer a couple small files...and then unmounts itself and stops being read. Because of this I cant seem to partition the sd card in Windows 7 nor can I get it to complete and Check Disk.
I even bit the bullet while trying to format the sd card in CWM, and then while connect to the PC and I cant even get the card to format...
Obviously I'd prefer to some how save all the files on there before having to format if possible.
Tried searching around the forums but nothing seems to be similar to my problem. The ONLY thing I can come up with for the cause was that I mistakenly flashed the charge.PIT file while flashing Tweaked 3 in Odin. Not sure if thats the cause...
Any help and suggestions would be great. Thanks!!

It sounds to me like it's actually dead, or on its way. Try plugging it into your computer. Make note of the file name (eg F:\) Go to command prompt and type this:
Code:
chkdsk (drive letter with colon and backslash) /f /p
If that doesn't work, your last shot is probably this:
Code:
chkdsk (drive letter with colon and backslash) /r
Sent from my SCH-I510 using xda premium

Can you mount your SD card directly to your PC (i.e., pull it from your phone and use a card reader)? I've had troubles with SD cards in the past and by using a non-phone card reader have been able to save what was on the card or resurrect it back to the point of usability in the phone.

jusliloleme said:
Can you mount your SD card directly to your PC (i.e., pull it from your phone and use a card reader)? I've had troubles with SD cards in the past and by using a non-phone card reader have been able to save what was on the card or resurrect it back to the point of usability in the phone.
Click to expand...
Click to collapse
Yeah, I forgot to say be sure to do this with an SD or USB adapter rather than through your phone.
Sent from my SCH-I510 using xda premium

This actually sounds a lot like what can happen to SD cards on some HTC devices if the S-OFF goes bad. The two ways to fix it were to put it in a card reader and reformat it in Windows as FAT32, or there is a way to repartition and reformat it on the phone, but it requires you to know the pull /dev path to the SD card, and I don't know it for this phone.

Still no dice...
Ya I tried using an SD adapter that held the micro SD card, put that directly into my laptop's SD card slot and still had the same experience...it briefly reads and mounts...where i have enough time to dig few a couple folders on there and drag a couple small text docs off...then stops working.
I tried using those command prompts in CMD (chkdsk D:\ /f, chkdsk D:\ /p, and chkdsk D:\ /r) but none of them did the trick. Also the "/p" seems to be an invalid command for chkdsk? I cant seem to get it to partition in any utilities either.
Still cant format it using the adapter either in CMD or the regular Windows 7 interface.
There may also be an issue stemming from the possibility that I think its just acting as read/only. Is there a way to make it read/write? The option doesnt seem to show when i right-click on the briefly mounted sd card for its properties.
My last attempt last night was using Sandisk RescuePRO Deluxe. I started it around midnight and by 7am it was only at roughly 6.5% complete for some reason...arg.
Thoughts?

Did you try the disk management in Windows? Or diskpart?
Sent from my SCH-I510 using Tapatalk 2

I did try disk management in windows and the sd drive label wouldnt stay showing long enough for me to get that to work. I dont understand why its able to mount and then shortly after just unmount itself.
Havent tried diskpart, is that a command in CMD?
JihadSquad said:
Did you try the disk management in Windows? Or diskpart?
Sent from my SCH-I510 using Tapatalk 2
Click to expand...
Click to collapse

ultimatdan said:
I did try disk management in windows and the sd drive label wouldnt stay showing long enough for me to get that to work. I dont understand why its able to mount and then shortly after just unmount itself.
Havent tried diskpart, is that a command in CMD?
Click to expand...
Click to collapse
Yeah its a terminal level partitioning tool.

Do I just type in "diskpart" to cmd?
JihadSquad said:
Yeah its a terminal level partitioning tool.
Click to expand...
Click to collapse

ultimatdan said:
Do I just type in "diskpart" to cmd?
Click to expand...
Click to collapse
IIRC you will want to run cmd as administrator (by right clicking on its icon in the start menu). You should also look up some sort of guide if you haven't used it before.

Ughhhh
Still not working Im getting error messages not letting me format. It will select the disk though but then when i try to go further i get "diskpart has encountered an error"
JihadSquad said:
IIRC you will want to run cmd as administrator (by right clicking on its icon in the start menu). You should also look up some sort of guide if you haven't used it before.
Click to expand...
Click to collapse

Ever tried HP USB Disk Storage Format Tool?? Its supposed to work but dont have a card reader to find out ..>(
http://www.softpedia.com/get/System/Hard-Disk-Utils/HP-USB-Disk-Storage-Format-Tool.shtml

I had the same problem with my S3 and tried to recover data from card but nothing worked. Luckily I had most of it backed up. At the end had to get a new card
Sent from my SCH-I510 using xda app-developers app

Same issue happened with my ADATA card. I was able to recover the files by wiping the SD Card in TWRP first. Then recovering the boot partions/files using TestDisk. It worked for a while but ultimately, like Lehocki said, I had to get a new card. I was able to return it and get a replacement.

Weird, I had just had the same problem and am also using Tweaked 3.0. Interesting. I also had luck recovering many files using TestDisk,,,however several files were corrupted.

Same problem.
ultimatdan said:
So in short my Droid Charge's SD card is screwed up.
I keep getting the message Damaged SD Card message in my notifications and I click it every time to format but then it doesnt do anything. When I try to view my photo gallery it says the sd card is blank or that there is no sd card. It wont let me use the camera because theres no sd card.
I'm rooted running Tweaked 3.0 with the latest FP5 updates after unrooting back to stock in order to get them. Tried to Odin back to stock a few times and then reflashing Tweaked a few times and still the same thing. Did factory/data reset, cache wipe, dalvik wipe a thousand times as well.
I am able to mount the sd card briefly in ClockworkMod Recovery, to view the files on the sd card but then about a minute or less later the sd card seems to unmount itself and becomes unrecognizable. Same for when I connect the phone via USB to my Windows 7 PC. If I pull out the physical sd card from the device, put it back in, hit connect to storage...the PC will recognize it for about a minute basically teasing me, letting me transfer a couple small files...and then unmounts itself and stops being read. Because of this I cant seem to partition the sd card in Windows 7 nor can I get it to complete and Check Disk.
I even bit the bullet while trying to format the sd card in CWM, and then while connect to the PC and I cant even get the card to format...
Obviously I'd prefer to some how save all the files on there before having to format if possible.
Tried searching around the forums but nothing seems to be similar to my problem. The ONLY thing I can come up with for the cause was that I mistakenly flashed the charge.PIT file while flashing Tweaked 3 in Odin. Not sure if thats the cause...
Any help and suggestions would be great. Thanks!!
Click to expand...
Click to collapse
Ref : Thanks!