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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.

[GUIDE] Format your new SDCard (especially 64GB) to FAT32

This is a very simple and quick guide to show you how to format your external SD Card to FAT32. It took me a total of about 4 minutes from start to finish to format my 64 GB SD Card to FAT32. The main benefit of this is that your SD Card will now be recognized in CWM. I could not get Windows to format my SD Card by itself, which I was I use the program mentioned below.
Step 1: Download and Install EaseUS Partition Master Home Edition
http://download.cnet.com/EaseUS-Partition-Master-Home-Edition/3000-2248_4-10863346.html
Step 2: Insert your SD Card into your computer with SD Card reader and open up the partition program
Step 3: On the main screen you should see your SD Card. Right Click and select format partition. Put in Partition Label (Optional), Select FAT32, and select a cluster size. The smaller the cluster size, the less wasting there is of disk space. I chose 4kb. Then Click "Ok"
Step 4: The Format will go into Pending Operations. Now click "Apply"
Step 5: Profit! Your card should now be FAT32.
Disclaimer: I am in no way affiliated with Chengdu Yiwo Tech Development or their programs. I am also not responsible for anything that may happen as a result of this guide.

Also you can just use this simple tool: fat32format

I have refrained from doing this to my 64 gig card because IIRC doesn't FAT32 prevent you from saving any file over 4 gigs??

jmorton10 said:
I have refrained from doing this to my 64 gig card because IIRC doesn't FAT32 prevent you from saving any file over 4 gigs??
Click to expand...
Click to collapse
you're fine with exFAT as long as you don't want to flash a CM/AOSP based rom. Otherwise, you're just going to end up with a corrupt sdcard.

jmorton10 said:
I have refrained from doing this to my 64 gig card because IIRC doesn't FAT32 prevent you from saving any file over 4 gigs??
Click to expand...
Click to collapse
That is correct however you might want to read this article: Team Epic: Why not exFAT?
Also CWM and TWRP can't read your SD Card properly until you format it to Fat32.

open1your1eyes0 said:
Also CWM and TWRP can't read your SD Card properly until you format it to Fat32.
Click to expand...
Click to collapse
I realize that, but I have movie RIPs that are over 4 gigs, so I just let CWM write to the internal storage & then back it up to my PC.

jmorton10 said:
I realize that, but I have movie RIPs that are over 4 gigs, so I just let CWM write to the internal storage & then back it up to my PC.
Click to expand...
Click to collapse
As of this moment, unfortunately, CWM doesn't support internal storage. There is one alpha build out there version 6.0.1.0 that I haven't tried yet, but so far every other version up to 5.8.4.9 either doesn't work properly or doesn't have an option for internal memory. In that case you may want to switch to TWRP and just use the internal storage there if you want to keep exFAT on your external SD Card.

open1your1eyes0 said:
As of this moment, unfortunately, CWM doesn't support internal storage. There is one alpha build out there version 6.0.1.0 that I haven't tried yet, but so far every other version up to 5.8.4.9 either doesn't work properly or doesn't have an option for internal memory. In that case you may want to switch to TWRP and just use the internal storage there if you want to keep exFAT on your external SD Card.
Click to expand...
Click to collapse
huh? Every version I've installed was able to access the "internal sdcard". Backup/Restore works fine.

PJnc284 said:
huh? Every version I've installed was able to access the "internal sdcard". Backup/Restore works fine.
Click to expand...
Click to collapse
What version are you on now? Try choosing to flash a zip file, anytime I have done that it errored out and went back, wouldn't let me read the partition. The only exception is version 5.8.4.9 non-touch which uses the external SD card as it's only memory option and even then you still need to reformat it as FAT32 to get it working. So far, no version of official CWM has supported internal SD card at all, the default was always external but only started working with 5.8.4.9.
EDIT: Just checked CWM 6.0.1.0 is the first version that not only shows options for both the internal and the external memory, but also works with both as well. But upon further checking it's not official CWM either, just CWM-based.

open1your1eyes0 said:
As of this moment, unfortunately, CWM doesn't support internal storage..
Click to expand...
Click to collapse
The version I'm using (5.8.4.9) works just fine with the internal storage, I use it all the time & have done 3-4 restores from it also with no problem,
It also installs zips just fine, I do it all the time.

open1your1eyes0 said:
What version are you on now? Try choosing to flash a zip file, anytime I have done that it errored out and went back, wouldn't let me read the partition. The only exception is version 5.8.4.9 non-touch which uses the external SD card as it's only memory option and even then you still need to reformat it as FAT32 to get it working. So far, no version of official CWM has supported internal SD card at all, the default was always external but only started working with 5.8.4.9.
EDIT: Just checked CWM 6.0.1.0 is the first version that not only shows options for both the internal and the external memory, but also works with both as well. But upon further checking it's not official CWM either, just CWM-based.
Click to expand...
Click to collapse
I'm using the kexec cwm right now listed as 6.0.0.8. Can't remember the other version number but it was the one included in the original root thread. Also didn't have an issue with the touch based kexec cwm that was linked with the first cm9 rom. Only errors related to flashing a zip file I've seen were corrupt downloads or flashing a kexec rom on a noncompatible cwm. Haven't tried the official one through rom manager but I tend to avoid that app anyways.

Just to make sure I wasn't imagining things, I just restored a CWM BU made two days ago from my internal storage (I figured worst case scenario I have to start over with all my apps)
The restore worked perfectly & it is definitely coming from the internal storage as CWM does not see my 64 gig card at all.
There is no way I am going to format a 64 gig card to a file system that limits me to under 4 gigs in file size, half the reason I bought that card was so I didn't have to worry about large file size.

jmorton10 said:
Just to make sure I wasn't imagining things, I just restored a CWM BU made two days ago from my internal storage (I figured worst case scenario I have to start over with all my apps)
The restore worked perfectly & it is definitely coming from the internal storage as CWM does not see my 64 gig card at all.
There is no way I am going to format a 64 gig card to a file system that limits me to under 4 gigs in file size, half the reason I bought that card was so I didn't have to worry about large file size.
Click to expand...
Click to collapse
I find it very interesting that CWM is giving you an option for internal SD card. Please tell me which version you are using and the exact words you see. Perhaps a photo? I just flashed 5.8.4.9 non-touch and I see no such option for internal SD card. The only memory option there goes directly to my external SD card without even asking.

open1your1eyes0 said:
I find it very interesting that CWM is giving you an option for internal SD card. Please tell me which version you are using and the exact words you see. Perhaps a photo? I just flashed 5.8.4.9 non-touch and I see no such option for internal SD card. The only memory option there goes directly to my external SD card without even asking.
Click to expand...
Click to collapse
I am using (5.8.4.9) non-touch version.
I could care less if its touch or non-touch or what it looks like as long as it works.
Mine has been backing up to the internal memory /mnt/sdcard/clockworkmod/backup by default & never gives me the option to do it anywhere else.
When I first installed it, I was pissed that it didn't detect my 64 gig card not realizing at the time it was because of the file system.
I tried to find an option to BU to the card, but there was no way to choose it. At that point, I figured who cares really as long as it works.
I flashed the root66 ROM & immediately made a BU. I then restored it to make sure it worked before I went any further.
It worked fine, so from then on every few days I copied the BU's to my PC & didn't worry about it.

jmorton10 said:
I am using (5.8.4.9) non-touch version.
I could care less if its touch or non-touch or what it looks like as long as it works.
Mine has been backing up to the internal memory /mnt/sdcard/clockworkmod/backup by default & never gives me the option to do it anywhere else.
When I first installed it, I was pissed that it didn't detect my 64 gig card not realizing at the time it was because of the file system.
I tried to find an option to BU to the card, but there was no way to choose it. At that point, I figured who cares really as long as it works.
I flashed the root66 ROM & immediately made a BU. I then restored it to make sure it worked before I went any further.
It worked fine, so from then on every few days I copied the BU's to my PC & didn't worry about it.
Click to expand...
Click to collapse
Wow, I feel like a complete idiot. Apparently (and I have no idea how this happened) but my SD card got cloned onto my internal storage. So actually what's happening is that CWM 5.8.4.9 is by default to internal storage and in fact doesn't give you an option for external SD card at all. CWM-based 6.0.1.0 that I linked finally shows and works with both and so does TWRP but only when you format to FAT32. So ignore that I said CWM doesn't see internal storage, that was in fact it's default this whole time.

Format Int or Ext SD?
open1your1eyes0 said:
As of this moment, unfortunately, CWM doesn't support internal storage. There is one alpha build out there version 6.0.1.0 that I haven't tried yet, but so far every other version up to 5.8.4.9 either doesn't work properly or doesn't have an option for internal memory. In that case you may want to switch to TWRP and just use the internal storage there if you want to keep exFAT on your external SD Card.
Click to expand...
Click to collapse
I fell upon this thread for 2 reasons
1. Insufficient memory downloading apps from GPStore ( 9/16GB Remaining on SD + 9/16GB Remaining on Enternal + 600MB Remaining on System)
-- I dont understand why that is happening.?!?!?
2. Is it neccesary to Format the Enternal memory (16GB)?
---------- Post added at 11:47 AM ---------- Previous post was at 11:37 AM ----------
open1your1eyes0 said:
Wow, I feel like a complete idiot. Apparently (and I have no idea how this happened) but my SD card got cloned onto my internal storage. So actually what's happening is that CWM 5.8.4.9 is by default to internal storage and in fact doesn't give you an option for external SD card at all. CWM-based 6.0.1.0 that I linked finally shows and works with both and so does TWRP but only when you format to FAT32. So ignore that I said CWM doesn't see internal storage, that was in fact it's default this whole time.
Click to expand...
Click to collapse
@open1your1eyes0,
so what you are saying is:
- its NORMAL to see CWM in both Internal and External SD? Therefore, it does not matter which CWM I use to flash a ROM? CWM 6.x.x.x vs CWM Touch 5.x.x.x vs TWRP?
Like right now I am copying all my internal storage to my PC & external storage card(merging)

kuntri said:
I fell upon this thread for 2 reasons
1. Insufficient memory downloading apps from GPStore ( 9/16GB Remaining on SD + 9/16GB Remaining on Enternal + 600MB Remaining on System)
-- I dont understand why that is happening.?!?!?
2. Is it neccesary to Format the Enternal memory (16GB)?
---------- Post added at 11:47 AM ---------- Previous post was at 11:37 AM ----------
@open1your1eyes0,
so what you are saying is:
- its NORMAL to see CWM in both Internal and External SD? Therefore, it does not matter which CWM I use to flash a ROM? CWM 6.x.x.x vs CWM Touch 5.x.x.x vs TWRP?
Like right now I am copying all my internal storage to my PC & external storage card(merging)
Click to expand...
Click to collapse
Only CWM 6.x.x.x will see both where as CWM 5.x.x.x will see only internal memory. But even if you use CWM 6.x.x.x, to work with external SD card it has to only be formatted in FAT32.

open1your1eyes0 said:
Only CWM 6.x.x.x will see both where as CWM 5.x.x.x will see only internal memory. But even if you use CWM 6.x.x.x, to work with external SD card it has to only be formatted in FAT32.
Click to expand...
Click to collapse
do we have to format the internal memory? only the external - fat32, correct!

kuntri said:
do we have to format the internal memory? only the external - fat32, correct!
Click to expand...
Click to collapse
Can't format it even if you wanted (device limitation) so yes, correct.

kuntri said:
I fell upon this thread for 2 reasons
1. Insufficient memory downloading apps from GPStore ( 9/16GB Remaining on SD + 9/16GB Remaining on Enternal + 600MB Remaining on System)
-- I dont understand why that is happening.?!?!?
2. Is it neccesary to Format the Enternal memory (16GB)?
---------- Post added at 11:47 AM ---------- Previous post was at 11:37 AM ----------
@open1your1eyes0,
so what you are saying is:
- its NORMAL to see CWM in both Internal and External SD? Therefore, it does not matter which CWM I use to flash a ROM? CWM 6.x.x.x vs CWM Touch 5.x.x.x vs TWRP?
Like right now I am copying all my internal storage to my PC & external storage card(merging)
Click to expand...
Click to collapse
open1your1eyes0 said:
Only CWM 6.x.x.x will see both where as CWM 5.x.x.x will see only internal memory. But even if you use CWM 6.x.x.x, to work with external SD card it has to only be formatted in FAT32.
Click to expand...
Click to collapse
kuntri said:
do we have to format the internal memory? only the external - fat32, correct!
Click to expand...
Click to collapse
open1your1eyes0 said:
Can't format it even if you wanted (device limitation) so yes, correct.
Click to expand...
Click to collapse
Thanks!
Also I followed thread using GScript to enable/disable MSU so that your PC will only read the External SD and not both Ext/Int Storage.
---> http://forum.xda-developers.com/showthread.php?t=1785243
One last question .. have you encountered "insufficient storage" while downloading an app? I manually pushed my apps2sd using TiBu and Links2SD and was still getting the same error. any suggestions?

[Q] I've got a hell of a problem.

I've got a Ver. S3 and a new 64GB class 10 Micro SD card. I can't get the phone to mount the card. The phone is stuck on the Galaxy S3 screen. The phone has been wiped. I had hoped that I could get the phone into recovery and pull a rom off the card I would be OK. It will go into CWM but it won't mount the card. I formatted the card under FAT32 on the PC. It has FAT as default, NTFS, FAT32 and exFAT. If I can load a downloaded rom and gapps I think I can get this thing going. Right now it doesn't look good. Any Ideas? I can't format with the phone since it can't mount the external card. Again, does anyone have an idea about what to do?

ergon said:
I've got a Ver. S3 and a new 64GB class 10 Micro SD card. I can't get the phone to mount the card. The phone is stuck on the Galaxy S3 screen. The phone has been wiped. I had hoped that I could get the phone into recovery and pull a rom off the card I would be OK. It will go into CWM but it won't mount the card. I formatted the card under FAT32 on the PC. It has FAT as default, NTFS, FAT32 and exFAT. If I can load a downloaded rom and gapps I think I can get this thing going. Right now it doesn't look good. Any Ideas? I can't format with the phone since it can't mount the external card. Again, does anyone have an idea about what to do?
Click to expand...
Click to collapse
Can you get it into download mode? If you can do that then you can Odin back to stock and start from square one. Have you tried another card? That may work.
I just flashed the latest ROM five minuets ago and am finally getting thirty hours of battery time! This is sick!!

Follow section 6 of this guide
http://forum.xda-developers.com/showthread.php?p=28530394
Sent from my SCH-I535 using xda app-developers app

[Q] [QTWRP - Stuck in Boot Screen

Guys: I am a noob in every capacity, but after a couple of searches on your forums I cant figure my issue out. I bought a TF101 that was already loaded with TWRP 2.1.5. A couple of weeks have gone by and now the tablet is stuck in the boot screen. I have already tired doing a factory reset, and restoring to previous backup. All of which hasn't worked.I have new rom loaded on my sd card but I cant find the SD card on TWRP
Has anyone had this issue before? If so how did you fix it?
Any help would be appreciated!!

I never used TWRP 2.1.X.X to know if it sees external storage. It will only see microSD, not full SD from the dock.
Also, be sure your microSD is formatted for FAT32. It will not work for an exFAT, NTFS or any other partition table.
If that does not work, I would boot to APX mode and use EasyFlasher to load TWRP 2.2.X.X. You need the Naked Drivers to get the best APX driver.
Flash that TWRP, then it should see the external (microSD) card when you choose external storage, flash ROM, enjoy!

[Q] tf101 internal os installation without os

Hello
I wanted to install Katkiss on my tf101. I wiped all the things I had to and headed to the installation part but my tablet couldn't recognize any external SDs. I use TWRP so it should have been supported.
I could get into apx mode but I don't know if I can put files on my tab from there. My PC can't recognize the tab if I try it in an other way. So someone can please help me and give some solutions for reaching the internal SD with a USB connection?
I guess I can install the files from TWRP after it .
Any help would be appreciated. ?

If TWRP is working, put files on a microSD and install the OS. Otherwise, you will need to use APX and something like EasyFlasher to install TWRP or the stock firmware.

frederuco said:
If TWRP is working, put files on a microSD and install the OS. Otherwise, you will need to use APX and something like EasyFlasher to install TWRP or the stock firmware.
Click to expand...
Click to collapse
I have spread installed TWRP as I remember I also used EasyFlasher to do it. As I mentioned my tf101 couldn't read any SD card that's why I've asked for a hint to put the katkiss files on my internal card.

How is the microSD formatted?
Did you boot to TWRP after installing the microSD?
What version of TWRP are you running? Not all of them support ADB via USB.

My TWRP version is 2.2.1.4 and the SD card is "general hierarchical". As I know I need a FAT32 card to make it work but I couldn't find a way to format mine. If you know a way to do this than it's also good for me. I also tried a FAT32 pen drive through the keyboard but it - of course - didn't work.

ertkiraly said:
My TWRP version is 2.2.1.4 and the SD card is "general hierarchical". As I know I need a FAT32 card to make it work but I couldn't find a way to format mine. If you know a way to do this than it's also good for me. I also tried a FAT32 pen drive through the keyboard but it - of course - didn't work.
Click to expand...
Click to collapse
MiniTool Partition Wizard
Delete all partitions of the card, create new FAT32 partition

*Detection* said:
MiniTool Partition Wizard
Delete all partitions of the card, create new FAT32 partition
Click to expand...
Click to collapse
I don't have a card reader and my PC didn't find the card when I tried with a phone having the SD card inside.
Do you think it might work if I format my external hdd to fat32 or the tf 101 won't recognize it?

ertkiraly said:
I don't have a card reader and my PC didn't find the card when I tried with a phone having the SD card inside.
Do you think it might work if I format my external hdd to fat32 or the tf 101 won't recognize it?
Click to expand...
Click to collapse
Buy a USB to MicroSD card thumb drive
http://gadgetsin.com/uploads/2011/05/eagletec_nano_usb_flash_drive_with_microsd_card_reader_5.jpg

It works now. Thank you so much for your help and your time. )

:good: