Guys help. I have transferred some apps to my SD Card. Whenever I mount a pendrive(Fat32) using an OTG adapter and then unmount it, the apps on the SD card are not recognized and shows a "appnotinstalled" message when I try to open them. When this happens, the "USB Computer Connection" option also can't be opened(forces closes). I either have to restart the tab or unmount and mount the SD card to get the apps recognized again. I know that Google have diabled apps ability to write on SD cards after 4.2 and I'm not sure if this is related the problem.
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So, i had a rooted mytouch with a custom rom.. Pretty familiar with the android OS. LOVING my nexus, except for this stupid problem. (its no my SD card btw, works fine in my girlfriends droid)
Anyways, i cannot mount my SD card when i am plugged in my computer... I am out of ideas. Anybody have the same problem?
what happens when you try to mount it? please provide more info!
i have the same problem, the only time where it'll let me mount my SD Card is when i put it in developers mode.
If I recall correctly from the user guide, you have to pull down the notification area on the phone and tell it to connect via USB. After this you should be able to mount the SD card. Again, if I recall right.
I wish i can tell you more but.. thats it.
You connect the phone via USB. Pull down the notification menu and there is NOTHING there. I cant try to mount it, i don't even have the option to mount it.
Should i record a video of it?
It should at least recognize that it is connected through USB, it does not. I put my SD card in another phone, hooked it up via usb, transfered all my stuff, then put the SD card back into my phone and EVERYTHING works, it reads it fine. I just cant mount my card from my notification menu. Its empty.
*edit* I have also installed the latest USB drivers from the SDK update, still cannot mount my SD card... I am starting to think the problem is deeper for some reason.
I think I'm having the same issue as the op. I downloaded the latest driver and the computer recognize my Nexus One, but oddly the drive the SD card is suppose to show up in is saying I have no SD card. Whenever I try to open up the F Drive(Nexus One SD card) it tells me to no media. Not sure if I'm explaining good enough.
piggie916 said:
I wish i can tell you more but.. thats it.
You connect the phone via USB. Pull down the notification menu and there is NOTHING there. I cant try to mount it, i don't even have the option to mount it.
Should i record a video of it?
It should at least recognize that it is connected through USB, it does not. I put my SD card in another phone, hooked it up via usb, transfered all my stuff, then put the SD card back into my phone and EVERYTHING works, it reads it fine. I just cant mount my card from my notification menu. Its empty.
*edit* I have also installed the latest USB drivers from the SDK update, still cannot mount my SD card... I am starting to think the problem is deeper for some reason.
Click to expand...
Click to collapse
are you connecting it directly into the computer? if not try doing so. If you are connecting it to the computer try a different USB port.
Hey guys,
i connect my SGS to mass storage (i'm running JP3 btw) and i can see the internal SD and external 16GB SD i have on my laptop, but when i try to copy something over it says 'error cannot read/write because card is protected'
how can i R/W and turn that off?
thanks!
same for me, sine jp2 and jp3 I cannot write to my external sd card :-(
you have to go to the notification bar and click on the USB connection and a message will pop up asking you to "mount", just click on mount.
Install this widget called 'USB Switcher'
put it on your homescreen and connect a USB cable
Touch the widget and now your phone storage is mounted on your computer
If still can't detect the external storage.
try this:
1.power off
2.take out your sd card
3.reformat your sd card via card reader
4.put in your sd card again
5.start the phone
6.connect USB cable
7.Use the widget above
external sd seems to be a bug for half of us, so strange, all was fine until jp2 and jp3, and the above did not work, usb switch getting FC all the time and should not have to do this should just work as before by mounting it, but ever since jp2 I get the android pic and it mounts ok but will not let me copy/place new files into external, no permission/protection is on......guess have to try jp4
Hmmm yeah no need to go to the notification bar in JP3 cause the android screen pops up asking if you want to turn on usb storage. It must be a problem with JP3 :-(
Sent from my GT-I9000 using XDA App
Using firmware XJG4 version, I managed to access SD card (16 G internal & 8G external from mass storage using 'USB Switcher'
My steps are:
1. Run 'USB Switcher' to unmount SD storage
2. Connect with USB to PC
3. Select mass storage option when prompt
3. Go to PC, 2 drive appears and are accessible.
To confirm the SD cards are unmounted from step 1, run file manager and the SD file directory is empty.
So... I plugged my adan into my computer and tried to transfer some files to the internal sd after id choose "Enable usb filetransfer mode" and then my computer frooze after a while and crashed. Now everytime i start my adam i get a notification "Preparing SD Card, checking for errors..." and my internal sd isnt mounted. I tried reset it and i tried do a offline recovery for the whole stocksystem.. crap. any ideas?
This started happening after I've installed a new bigger SD card. I've copied all contents from the old SD card to the new one.
But now I have problems with USB connection as mass storage. It usually resets and after restart, there are many applications missing (blank shortcuts and apps are not in the launcher).
What is going on??
Using your phone as Mass Storage would require the SD Card to be unmounted,if by any chance you reboot in the process,your phone might not automatically mount the SD Card，and therefore you will not be able to access the apps on the card.
You may try to mount the SD card manually,still,that won't fix the icon problem instantly,you might wait or refresh a bit.
But I haven't saved any of those apps on the SD card (if it isn't done automatically somehow).
Hi Guys,
When I put an SD card in my phone and plug it into my PC, windows only sees the SD Card. I hit "USB mass storage" option on the phone after plugging it in, but I still only get access to the SD card.
When the SD Card isn't in the phone windows explorer will see the internal phone storage. I just can't get them both to show up at the same time.
The other weird thing is when I plug the phone in, it unmounts both the SD Card and the Internal Storage (in order for the PC to use them). However, when I remove the phone from the PC, I have to manually remount the internal storage. The SD Card will automatically remount.
Any ideas?
Thx.