Strange Bug on external SD card - Android Q&A, Help & Troubleshooting

Hi there
I am an advanced / long term Android user (although not a programmer) I hope i have posted in the correct location as I couldn't find anywhere else to post it.
in the root of my sd card some of the files that I have placed there mysteriously have had their extension renamed to .o
for example myvideo.mp4.o
it seems that the system doesn't recognize them, however simply removing the .o on the end of the extension fixes it. Any ideas? at first i thought it was some kind of cryptovirus. but as the files are fine once renamed that cannot be the case.
it doesnt seem to be happening within any directories on the external sd card or the internal sdcard
any help would be appreciated. :silly:

Related

Question regarding Backing up HD2 SD card

I'm wanting to backup & format my SD card following a problem with Sense not loading described in another thread. Having read various threads about this problem it seems that some, if not all, revolve around issues with the SD card.
Through File Explorer, on the phone, I've selected ''Show all Files'' from within my SD card directory. However after connecting my phone to my PC thru active sync there are some files that are visible on my phone in the SD card directory which aren't visible in the SD card folder on my PC screen. I've tried to find the show all files setting on my pc but haven't been able to.
Thing is I don't want to backup my card then format it and possibly not backup all files that are present on the card.
Any help appreciated.
Hi there,
Two days ago I copied all the files on my SD card to my laptop, changed my card from a 2Gb one to a 8Gb and copied all the files back again onto the new SD card. I never even looked for hidden files neither on the phone nor on the laptop and it all went without any problems and all is working fine.
For sake of good order, I can't guarantee it will work with you as well, but it should.
Bye,
Itamar
RoN_HD2 said:
I'm wanting to backup & format my SD card following a problem with Sense not loading described in another thread. Having read various threads about this problem it seems that some, if not all, revolve around issues with the SD card.
Through File Explorer, on the phone, I've selected ''Show all Files'' from within my SD card directory. However after connecting my phone to my PC thru active sync there are some files that are visible on my phone in the SD card directory which aren't visible in the SD card folder on my PC screen. I've tried to find the show all files setting on my pc but haven't been able to.
Thing is I don't want to backup my card then format it and possibly not backup all files that are present on the card.
Any help appreciated.
Click to expand...
Click to collapse
itamar said:
Hi there,
Two days ago I copied all the files on my SD card to my laptop, changed my card from a 2Gb one to a 8Gb and copied all the files back again onto the new SD card. I never even looked for hidden files neither on the phone nor on the laptop and it all went without any problems and all is working fine.
For sake of good order, I can't guarantee it will work with you as well, but it should.
Bye,
Itamar
Click to expand...
Click to collapse
Hi, thx for the reply. Think I'm just gonna bite the bullet and go ahead.

[Q] Htc Thunderbolt - SD Card mounted Read-Only. Tap here to fix it problem

Hi All,
I ran into a strange problem with my phone's SD card. Since a week or two, my card started complaining about "Mounted Read-Only, Tap here to fix it error". I did not pay much attention and fixed it by tapping it on the notification area.
However, from last weekend I found out that im not able to delete anything from my SD card. If i delete it deletes it, but when i unmount and re mount my SD Card, all the files that ive deleted are back again on my SD card. Also when If i copy a new file, per say, an MP3 file, it disappears after i remount the SD card.
PLEASE, could someone shed some light on this issue? I've tried unseating, reseating the card, do a full disk check on my windows laptop. Still no luck. I hvnt tried placing the card into a card adapter and plugging it into my laptops' card reader.
Can someone please suggest what should i do next? this is frustrating.
PS: my phone is rooted and ive beeing using BAMF Forever Cubed1.0.7 with MR3 radio since a month.
Best
leechezsparkle said:
Hi All,
I ran into a strange problem with my phone's SD card. Since a week or two, my card started complaining about "Mounted Read-Only, Tap here to fix it error". I did not pay much attention and fixed it by tapping it on the notification area.
However, from last weekend I found out that im not able to delete anything from my SD card. If i delete it deletes it, but when i unmount and re mount my SD Card, all the files that ive deleted are back again on my SD card. Also when If i copy a new file, per say, an MP3 file, it disappears after i remount the SD card.
PLEASE, could someone shed some light on this issue? I've tried unseating, reseating the card, do a full disk check on my windows laptop. Still no luck. I hvnt tried placing the card into a card adapter and plugging it into my laptops' card reader.
Can someone please suggest what should i do next? this is frustrating.
PS: my phone is rooted and ive beeing using BAMF Forever Cubed1.0.7 with MR3 radio since a month.
Best
Click to expand...
Click to collapse
Backup everything on your sdcard and use a card reader to connect it to your computer and use hp format tool to format it. don't do a quick format

SD Card Swap and Lost Apps

I used the instructions from iJimaniac to swap my storage from internal to external (love the mass storage now!) however all my apps that I originally had moved to the SD card have suddenly disappeared and now i have to remember and re-install them. I made a copy of everything under /mnt/sdcard and moved it to my external SD card before making the switch so that everything would still be linked ok. Any ideas on what went wrong? Note: i took everything on my external SD card and put it in a separate folder on my external SD card so I wouldn't lose any of that.
Well, I used a PC to copy .android_secure folder from the real external_SD to the new "fake" external_SD. If that doesn't work, I would copy back the original vold.fstab then move all apps to internal, then use modified vold.fstab and move your apps back to sd if you want. Remember to reboot after making a change. Several reboots might even be needed for all apps to show up (might want to try that before anything). Hope this helps!
Ok well the problem is apparently that the .android_secure folder on the sd card is empty. Strangely it also has no permissions and refuses to let me change it. Whenever i try to replace it with the full .android_secure folder it gives me a black screen and i have to restart. Any idea what might be wrong?
Well, it might not actually be empty, it looks empty when viewed with an android file browser, but when you look at it on a computer (might need to disable "hide protected system files" in windows folder options) you should see stuff in it. So, you need to copy the .android_secure folder FROM your REAL microSD card TO your REAL internal memory using a pc, not an android file browser. To be clear, I have figured out that android transfers the app to your sd card when you select "move to usb storage", so that can be deceiving. Your apps were on the sd card, but now you need to transfer them to your usb storage by moving the .android_secure folder. Hope you figure it out!
Ah something decided to start working again and all my apps came back! Thanks for your help!
No problem! What was probably wrong was your player was rebuilding the dalvik-cache. It sometimes takes a while I find. Glad you got it working.

[Q] Invisible files in Windows 7 & Vista when mounted via USB?

When in phone I use ES File Explorer, all files and folders show fine.
But when i mount the phone via USB some of the folders and files (app files) are invisible, if i try to copy them from PC to the same place as I did before, it says it cannot copy (the ones with the same names already exist, just invisible for some reason).
Any idea why it happens?
I never see something like that with SGS2 and HTC Sensation
Hi there,
Do you have the files on your SD card or on the internal storage of the phone?
I got the same issue and I got the files on my SDCard which is exFat formatted... I guess the exFat system causes the issue with my files...
This is with 64GB Sandisk microSDXC card
So, do you mean that we need to make it NTFS?
I am having this same issue. I have also 64GB exfat. So far I haven't found a solution. I tried to unmount the card in the phone and it did show all the files for awhile but then most of the files disappeared again. Hopefully someone can solve this annoying issue.
Could you tell us what kind of files are hidden for you?
I have some APK files and folders with APKs hidden
I have music folder which includes lots of music files (most of them mp3) and also folder with JPEG files which aren't visible.

[Q] Deleted /sdcard/storage/emulated -- SD Card Empty

I was going through my internal SD card over MTP, removing old folders I no longer need and/or are empty. I came across a folder labeled "Storage" within the SD card, followed by "Emulated". Within the emulated folder, there may have been one more, which then contained only a handful of files which were also in my "/sdcard/Download" folder. I began deleting the "/sdcard/Storage" folder, since it seemed unnecessary, but it was taking longer than the other almost empty folders so, I canceled it. Now the entire SD card is empty, other than default directories.
I already found the guide on data recovery, just curious what the hell happened...
Thanks in advance!

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