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[Q] "Can't mount sdcard" error in CWM

I've seen this error elsewhere, but no solution. I'm running PRIME 1.4, want to upgrade to 1.6.
- I used the nvflash method. I re-did this, obviously that didn't work.
- I tried formatting the SD card via Windows and via CWM (which didn't work, because it couldn't mount it...duh). Used the default FAT32 settings to format. For others, this seemed to be the fix.
- I CAN read the SD card on the tablet once booted up regularly. I can also mount the storage on my PC.
Any ideas? Thanks in advance.

So I tried a different sdcard (8GB, if it matters). No issues. No idea why this worked, so I guess the mystery is unsolved.

chicagoepicuser said:
So I tried a different sdcard (8GB, if it matters). No issues. No idea why this worked, so I guess the mystery is unsolved.
Click to expand...
Click to collapse
Probably partition of your sdcard. Try reformatting it to another format like NTFS or something?

chicagoepicuser said:
I've seen this error elsewhere, but no solution. I'm running PRIME 1.4, want to upgrade to 1.6.
- I used the nvflash method. I re-did this, obviously that didn't work.
- I tried formatting the SD card via Windows and via CWM (which didn't work, because it couldn't mount it...duh). Used the default FAT32 settings to format. For others, this seemed to be the fix.
- I CAN read the SD card on the tablet once booted up regularly. I can also mount the storage on my PC.
Any ideas? Thanks in advance.
Click to expand...
Click to collapse
In fact, CWM can't real actual SDcard (dock slot), it read the MicroSD only (the tablet slot)
Try putting the zip at the root of the MicroSD, and launch CWM

For me it´s doing the same - can´t mount SD card. I have microSD card that I have formated into FAT/FAT32/NTFS - nothing worked. I try to put it into SD card adapter and nothing too...
Can someone tell us please, where is the problem??? I have root, flashed cwm 3.0.2.8, standart ROM...

monkasko said:
For me it´s doing the same - can´t mount SD card. I have microSD card that I have formated into FAT/FAT32/NTFS - nothing worked. I try to put it into SD card adapter and nothing too...
Can someone tell us please, where is the problem??? I have root, flashed cwm 3.0.2.8, standart ROM...
Click to expand...
Click to collapse
MicroSD needs to be formated into FAT32 and only this format
If you read the post above yours, you would have also seen that the SDcard slot on the dock DOES NOT WORK in CWM

bud77 said:
In fact, CWM can't real actual SDcard (dock slot), it read the MicroSD only (the tablet slot)
Try putting the zip at the root of the MicroSD, and launch CWM
Click to expand...
Click to collapse
Yes, did this. I wasn't messing around with the dock, just the microSD in the tablet itself. And yes, the .zip was in the root directory--though it's not like I was able to get this far. I was not even able to see the root directory, at all.

chicagoepicuser said:
Yes, did this. I wasn't messing around with the dock, just the microSD in the tablet itself. And yes, the .zip was in the root directory--though it's not like I was able to get this far. I was not even able to see the root directory, at all.
Click to expand...
Click to collapse
Plug it in while android is running, and check if the MicroSD is seen in /removable/MicroSD
If, yes, that's pretty weird. If not, try another MicroSD

I had the mounting issue as well. But I formatted my micro SD card with SD Formatter (I am not allowed to post URL as a new user ), then it can be mounted.

myode is right, use SD Formatter 3.0 will fix your problem.
It use low-level format, where windows format don't.

I came across (i can't remember where exactly) some people swear that by formatting the microsd card in a android phone, the card no longer exhibit abnormal behaviour in the tf101.

How to flash a ROM with out USB

I've done a very silly thing and fear I may have bricked my phone
A little while ago my phone's USB connection kicked the bucket and in a rather foolish attempt to get rid of everything I re-formatted the lot and now have a completely non-functioning phone
I have a Samsung Galaxy S (GT-I9000) and had "ClockworkMod Revovery v2.5.1.3" installed with a "Voodoo Lagfix" when things started to go a little funky. Wanting to remove any trace of hackery before sending the phone back for warranty I booted into recovery mode and reformatted every partition I could, one after the other, only to discover that not only did this not remove the hacked boot-loader but it completely rendered my phone unusable! Now, without any image installed and not having a functioning USB connection I've been unable to flash a working ROM back again.
I do, however, still have a working ClockworkMod Recovery and have noted there is an option to "mount /sd-ext" and I am hoping there may be a way to sneak an image on to the phone through the external SD then use "choose zip from sdcard" to re image the phone. Anyone know if this is possible, and if so, would someone care to guide me through the process??
I came across this thread: Can I flash roms from external SD
Where the response was: "Yes, you can, just mount it from the CWM Recovery and you're set." which gives me hope but I'm not able to get there alone.
I have tried mounting the external SD card but get the message:
E:Can't mount /dev/block/mmcblk1p2
(File exists)
Error mounting SDEXT:!​
Any help would be greatly appreciated.
Thanks.

You can copy rom on sd card, and flash in recovery mod
Sent from my Galaxy Nexus using xda premium

thanhhai8888 said:
You can copy rom on sd card, and flash in recovery mod
Click to expand...
Click to collapse
Thanks for that, I'm just not quite sure how to do it.
As I said I'm not able to mount the external SD card at the moment and even then I'm not quite sure what to do. If I do manage to mount it will it then be possible to navigate to the extranal SD with the "install zip from sdcard"?
In the mean time I have come across this nice looking tutorial for flashing to ICS but it says "Copy the downloaded ROM to your phone’s internal SD card (not microSD card)" which for me, sadly, is not an option :,-(
By the way, I'm not particularly fussed wich version of Android I managed to flash, I just want to be able to use my phone again.

Hmmm,
After more digging I've come to understand more about what I have done...
It would appear that what I did was foolishly reformat my system partition with out having another ROM to replace it - but it seems I may well have narrowly avoided formatting the boot partition.
Since doing this I have come across this extremely good advice:
Take extreme care with this option as formatting any of these partitions will result in losing all data on them, especially the boot and system partitions. Formatting the system partition will remove your ROM and leave your phone without an operating system while wiping the boot partition may brick your phone unless you restore or flash another one before rebooting your device.​If only I'd read that before
I've also come to realize the "sd-ext" is not the external SD card at all and is in fact a kind of "extra" partition used especially for flashing ROMs.
So my problem gets deeper...
Is there any possible way to flash a ROM onto a phone with a formatted system partition and no working USB connection?
If there is, I'd dearly like to know how.

You can buy a micro usb card reader to transfer the ROM from your PC to your sd card then flashing it using CWM.

Kerumen said:
You can buy a micro usb card reader to transfer the ROM from your PC to your sd card then flashing it using CWM.
Click to expand...
Click to collapse
Sorry to be so darft but I can't work out how to flash from the external SD.
- By external I mean the removable micro SD card which is actually inside the phone.
I have another phone with which I can put the image on to the micro SD card, I'm just not sure what to do with it once I have it there.
I must be missing something pretty obvious because several people have said "just use CWM to flash from the SD card" but to be honest I just can't work out how to do it :s
I can get the image onto the micro SD card fine, the problem is that once I have the micro SD card with the new image on it in my 'bricked' phone I can't find how to get access to it with CWM?

if you can enter on cwm (home+vol up) you can flash all by your sd card, download a rom for your galaxy s, prefer for the official ones, put the zip on your sdcard, put your phone on cwm and select "install zip from external sd". i hope this help.
Idk if galaxy s have usb otg, but if have you can mount external usb in cwm.
and if you stay without understanding how to do it with cwm, go to galaxy s xda area:
http://forum.xda-developers.com/forumdisplay.php?f=656
i hope you will find a good tutorial in there.
good luck

Hmm, just read a comment some where randomly on the internet:
"Depend on your CWM version, v5 install from external SD card by default. But you can select install from internal SD card too."
Perhaps "install from external SD card" is not supported in my version of CWM (v2.5.1.3 on a Samsung Galaxy S).
Maybe I should go ask about it in the SGS specific section.

dreanmer said:
and if you stay without understanding how to do it with cwm, go to galaxy s xda area:
http://forum.xda-developers.com/forumdisplay.php?f=656
Click to expand...
Click to collapse
Hehe, took the works right out of my mouth.
Thanks.

You essentially NEED adb access to push a rom to internal, as your phone's CWM version doesn't support external-sd card. Can you get ahold of another working cable? This would be the best route.

Thing O Doom said:
You essentially NEED adb access to push a rom to internal, as your phone's CWM version doesn't support external-sd card. Can you get ahold of another working cable? This would be the best route.
Click to expand...
Click to collapse
Thanks, I'm pretty certain it's the phones USB socket that is the problem though. It stopped responding to USB after a camping trip I went on and since then, even when it had a working ROM, I was unable to mount it as external storage. I have tried several cables and a couple of different computers and while it charges fine I was unable to get it to 'connect' as such. I have also checked the main cable I've been using with a different device and the cable worked as expected. When I started to get desperate I scrubbed it with a tooth brush and I even took the phone completely apart to sprayed the port with electrical contact cleaner but alas, it was to no avail.
I'm affraid i'm going to have to resolve this one sans USB

Why don't you buy a new cable ? An USB cable is always useful for daily use..

Kerumen said:
Why don't you buy a new cable ? An USB cable is always useful for daily use..
Click to expand...
Click to collapse
Edit: Oops just realised I'd made the same post twice
I'm cretin the cable is fine.

Can't mount SD Card in CWM - Searched already!

Hey guys, I need help.
After countless hours of stressing over my SD Card, I still can't get it to mount. I even went downtown to get a new one. I have a Motorola XOOM.
Problem is, I can't even get adb to work cause I can't access usb debug, because I wiped data hoping to re-install the rom. Now I'm still in CWM with nothing to do.
What could it be that's causing my SD Card's to not mount? There was one SD Card that mounted but that's not here right now. Would it be the SD Cards? I reformatted them to FAT32 as well.

Go here see if you can find some solution, search.... the search is a powerful tool, thank you sir.
http://forum.xda-developers.com/forumdisplay.php?f=945
qwahchees said:
Hey guys, I need help.
After countless hours of stressing over my SD Card, I still can't get it to mount. I even went downtown to get a new one. I have a Motorola XOOM.
Problem is, I can't even get adb to work cause I can't access usb debug, because I wiped data hoping to re-install the rom. Now I'm still in CWM with nothing to do.
What could it be that's causing my SD Card's to not mount? There was one SD Card that mounted but that's not here right now. Would it be the SD Cards? I reformatted them to FAT32 as well.
Click to expand...
Click to collapse

It happens some time
I have two sd cards
One of them shows in recovery mode other is not mounting though both works great in device for other stuff..
I think its due to lack of some files on them after i use the second card for one week in my device for now they both mounts in recovery.
So what you have to do is use your card in some other android phone for some time..
Installed one or two app on it etc.
Then try again
we all should be polite enough to press thanks for anyone who helped US.

Changing sdcard name

Hey,
I would like to install the android revolution hd but I got a weird problem.
In my tf101 the main storage 16gb is somehow (dont know why) called sdcard and when I put real micro SD to the tablet - it is called MicroSD instead of sdcard.
Now, because of that I cant instal new rom cause it always thinks i have not sdcard in. (in rom manager pro - it sees my sdcard a the main storage called sdcard)
In root explorer I can change sdcard into something else but cant change MicroSD into sdcard. Do you have any idea what should I do?

Do not use ROM Manager. And what you're reporting is the normal storage for the TF101. sdcard is the internal storage, microsd and sd are the 2 extension slots.

ok then, why my android cant see any sdcard when im in recovery mode (without using rom manager, and I tried 3 sd cards yet), Oh and btw I got Clockwork recovery mod 6.0.2.1
Hmm, is that possible to change the rom into revolution hd with easyflasher ?

maciekiel said:
ok then, why my android cant see any sdcard when im in recovery mode (without using rom manager, and I tried 3 sd cards yet), Oh and btw I got Clockwork recovery mod 6.0.2.1
Hmm, is that possible to change the rom into revolution hd with easyflasher ?
Click to expand...
Click to collapse
There should be a menu in recovery to attempt to mount the card. Maybe advanced menu I think. Try that.

well, I tried but there is no such thing in advanced also. So what about easy flasher, can I try with that?

Use the mounts and storage menu and you should be able to manually mount your microSD card.

problem solved, i used goomanager to instal other flash which recognized sdcard,
it turned out that reading alot of old stuff actually helps alot xd
thanks for all anyways

[Q] external SD not visible after installing CM10.1 on gt-p6810

Hi,
I've just installed CM10.1 and am loving it!
Everything's working great but my external SD card content is not visible, so I can't access any of my files etc.
System shows SD card is mounted, I've tried the SD in another device and everything is still on it but file explorer just shows internal folders.
I've searched the forum and can't find an answer - but apologies if it's been solved before - any suggestions please? I'm new to custom ROMs so the simpler the better please
Thanks

Cant give you an exact answer to it but its something to do with 4.2 itself..
After flashing daniels 4.2 rom or CM 10.1 rom (Both 4.2)
paragon would mount my Ntfs SD card...but then if you go into "settings/storage" and you can see its not actually mounted?.
Been asking for a fix for a while as i use NTFS for all my storage and arnt going back to fat32...
If you get a solution can you please post it here..
My NTFS and paragon both worked on 4.1 ,4.04, 3.2 so i didnt do anything wrong that i know of.
Somebody sugested to remount it to different location but i had trouble making a folder outside of the mount directory..then gave up trying.
They told me call the folder NTFS for example should be located in MNT/NTFS
I used ES file explorer and wouldnt let me make a folder called NTFS in that same directory.
maybe somebody can clarify where to make the folder.Also the Nexus guys are having issues with 4.2 and SD cards aswell.

Thanks - does that mean the SD would work if I reformatted it as fat 32? Sorry if it's an obvious question, but I'm definitely in the noob category...

You will have to give it a go....
Im not going back to fat32 again...
For now im giving skyhigh rom a go...
Paragon is working on the problem with 4.2 so hopefully its not long...
Do some googling on NTFS SD And 4.2 you will see plenty of devices are affected...