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[Q] External SD wont mount to computer

As the tittle says, my external SD card will no longer mount to my computer. The internal mounts just fine. I can see the external using a file explorer when USB mass storage isn't connected. I use my external card as a "thumbdrive" constantly and it has always mounted just fine, this just cropped up today.
I am running Bionix2 if that makes a difference.
What can I try to get it mounting properly again?
UPDATE:
I have tried turning on and off USB debugging
I have tried pulling the SD card, booting, turning back off, reinserting the SD card and booting again.
I have tried uninstalling the LG driver from the computer and reinstalling it (ADB)
None of these have worked.
The empty drive shows up in "computer" as a drive, the SD card just never mounts to it. When USB mass storage is ON the SD card definitely unmounts from the phone.
This is very frustrating as I need some files off the card and I don't have access to a micro SD card reader.
UPDATE2:
Got the files I needed by copying them from the external card to the internal card, connecting, mounting and copying them from the internal card to my computer. It is still a PITA though not as urgent as it was.

So last night I pulled the SD card, copied everything off and formatted it on my computer, didn't change a thing. I was then going to reload the ROM I am using. This didn't work as I am running external CWM recovery and it wouldn't mount the SD card either.
As a last effort before trying another card, I formatted (erase=format?) the card through Android. Everything seems to work fine again. I copied everything back to the SD card without an issue. CWM sees it again as well.
What could have caused the card to spontaneously need to be reformatted through Android after working perfectly well for 2 months?

DECIM8 said:
So last night I pulled the SD card, copied everything off and formatted it on my computer, didn't change a thing. I was then going to reload the ROM I am using. This didn't work as I am running external CWM recovery and it wouldn't mount the SD card either.
As a last effort before trying another card, I formatted (erase=format?) the card through Android. Everything seems to work fine again. I copied everything back to the SD card without an issue. CWM sees it again as well.
What could have caused the card to spontaneously need to be reformatted through Android after working perfectly well for 2 months?
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I had the same issue, I think when you install different roms some use different ext for the drives, thats why its critical that after each rom you wipe wipe wipe, and as we know now, lol format sd card

sd card

How to i see my sd card on my computer so i can put things onto it? Im rooted and have cmw

It's under "removable" and you will see "microsd." Also, if you end up not being able to mount it, make a partition on your uSD card and that will probably solve the problem..

only thing to show up is the the internal storage. How do i creat a partition?

Ok i found the sd card. Its under device storage. It wont let me put anything on it though

All im wanting to do is put a custom rom on my sd card so i can flash it.

Make sure that your SD card is formatted in a way that your computer can read it. For best compatibility, format it as FAT32. You'll probably need to plug it into a computer in order to do this, which probably defeats the point in trying to do this using the device as a huge SD card reader.
Also, if your card -is not- the microSD card, make sure that it is not ticked to the 'lock' direction. On normal sized SD cards, there is a moveable nub.
Check to see if you can write files to the SD card FROM the Transformer. If you can, the alternative is to download the rom file to your Transformer, and then put it on the SD card from there.
Bumping your thread/making multiple subsequent posts won't make it so that you receive assistance quicker. If anything, it will make people ignore you because You are a Noob. You hate yourself(azrienoch, YouTube, 2011).

i can see it fine on the transformer. Could it be something wrong with cmw. How do i reformat it.

Plug your SD card into the computer, and use your disk management software that ships with your computer. If you're on Mac OS X, use Disk Utility. If you're on Linux, use cfdisk or fdisk.

On my machine(windows xp), if in windows explorer I click on
Transformer TF101 - Portable Media Player,
I get two different options
Internal Storage or Micro SD
This was after an update to the ASUS sync software though.
Originally I could only see the MicroSD was through
Internal Storage->MicroSD
When accessed through the tranformer, this is not writable. This is a limitation of sd cards. You can't have two hosts with write access.
The other way is to put it in internal storage, then use the transformer's File manager and copy from the SDcard, and move it to /Removable/MicroSD

Ok the sync program i downloaded is not in english. Its the one fromthewebsite too

Can you clarify if it is a SDCard(in the dock), or a microSD card(in the tablet)?
You can't see the dock storage from a pc, I believe. I also think you can't install roms from the dock.

Sorry i probably didnt know what the dock meant then.
It is in my tablet. I plug it into the computer. If i go to computer and look at it it says. Asus Transformer tf101. Click on it again and it says device storage and thats it. Its like it cant see my sd card at all. Is there a way to go into usb mode or something so my pc can see it? Also on my sd card all it says is lost. something. Shouldnt there be more since i rooted it. I got su functions

I think that you should be able to see it through internal storage, either Removable folder, or microsd folder.
If not, just copy it to the internal memory, and cut/paste it through the transformer file manager

All data vanished off sd card, shows as all free space now. advice?

Hi folks, well I have a 32 gig external sd card that I recently loaded several gigs of music onto for a road-trip I have to take in 3 days.
Tonight I went to copy some files from the internal sd (not the 32 gig external) onto my computer, and it behaved strangely, so I powered the phone off to try again. Once the phone rebooted, both the 5 gig internal sd, and the 32 gig external sd cards report as being empty with all free space available, everything is gone.
I can't run recovery software from windows on the card , because when I mount the card it appears in windows as a portable media device, not a hard disk, so no recovery software recognizes it.
Anyone have any advice as to what I might try, in order to recover my music directories? I'm thinking I might be out of luck.
Thanks in advance

leopard_fist said:
Hi folks, well I have a 32 gig external sd card that I recently loaded several gigs of music onto for a road-trip I have to take in 3 days.
Tonight I went to copy some files from the internal sd (not the 32 gig external) onto my computer, and it behaved strangely, so I powered the phone off to try again. Once the phone rebooted, both the 5 gig internal sd, and the 32 gig external sd cards report as being empty with all free space available, everything is gone.
I can't run recovery software from windows on the card , because when I mount the card it appears in windows as a portable media device, not a hard disk, so no recovery software recognizes it.
Anyone have any advice as to what I might try, in order to recover my music directories? I'm thinking I might be out of luck.
Thanks in advance
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Click to collapse
Who is the manufacturer of the card? Is it generic? This is an issue with cheap SD cards. Sounds like it needs to be formatted. Most likely your data is lost. Sorry.

I put the sd card in my older motorola atrix that I just recently retired from service use, booted the atrix to clockworkmod, from there mounted usb storage, and windows did assign the sd card a drive letter - I was able to run a data recovery program (easeus data recovery) and in about an hour recovered all my music to my laptop. Some of its in lost directories etc, but mostly the original folder structure is intact - in any case i've got my music back for my road-trip.
Why the newer lg ultimate 2 i'm now using only mounts the sd card as a portable media device, I don't know, and for the moment it doesn't matter.
thanks evolution

This had me thinking: if I was able to remove the sd card from the lg phone, and put it into the atrix phone, and recover/access the data - then what if for instance, you lost your phone, someone found it and put the sd card into another device/reader, and you had a titanium backup on that sd card- they restored the backup of some of your programs (complete with data)
wouldn't they then have access to some very private information of yours?

Low storage help

I have a One A9 running stock Android 7 original ROM. I am getting the low storage warning as I have used 15.5 out of 16gb.
I have installed a 32gb SD card and planned on formatting this as internal. I tried this but then noticed I cannot see the SD card when pluged into my laptop. It was only showing the internal with capacity of 16GB, not the 16+32gb as I had hoped.
I then formatted it back to portable and planned to move certain apps to SD. But in App settings, not a single app can be moved to the SD.
So I am stuck now. Anyone know how I can view the additional storage on my laptop if I format the SD as internal??
Or if that is not possible, how do I move apps to SD?

Anyone able to assist?

325i. said:
I then formatted it back to portable and planned to move certain apps to SD. But in App settings, not a single app can be moved to the SD.
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afaik, you can only move apps to the sd card when its formatted as internal storage, not portable.. Pre-installed apps can't be moved to the sd card.
Anyone know how I can view the additional storage on my laptop if I format the SD as internal??
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Click to collapse
Did you moved/migrated your files to the sd card after formatted as internal?
http://www.htc.com/mea-en/support/htc-one-a9/howto/681180.html

alray said:
Did you moved/migrated your files to the sd card after formatted as internal?
http://www.htc.com/mea-en/support/htc-one-a9/howto/681180.html
Click to expand...
Click to collapse
This is what I tried doing. When I connected the phone to my laptop via USB, windows explorer could not see the SD card. All it showed was the original internal memory.

325i. said:
This is what I tried doing. When I connected the phone to my laptop via USB, windows explorer could not see the SD card. All it showed was the original internal memory.
Click to expand...
Click to collapse
maybe because you didn't migrated your existing data from your internal memory to the sd card ? When using the sd card as the internal memory you'll only see the sd card from your computer (I'm assuming the opposite is also true), read the help page linked above.

SD Card formatted as internal / adaptable storage is not recognized anymore.

Basically I have an SD Card that I formatted as internal memory. It has worked well for about a year now. Today though, the phone told me that the card had been removed and that I should re-insert it. At the same time, it tells me that the very same cards format is incompatible and I have to format it in order to use it. All this while I never removed the card. The phone is a Moto G5 running Pixel Experience.
What I've tried so far is rebooting the phone and taking the card out and inserting it again, in various orders. Inserting the card into various computers, none of which recognize it (as expected). GPartEd shows the space on the card as not allocated.
Is there anything I could do to make that card be recognized again? Or else, to get the data off of it?
If this is not the right forum for this question, please tell me, or, if you're an admin, please move the thread.

When you converted external SD-card to Adoptable Storage it got formatted as internal memory and also encrypted as internal memory is.
AFAIK there is no chance to recover the data stored on because they are AES-encrypted.