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[Gridzilla]

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Solved questions in this topic:

• The disappearance of files and folders from the memory card;
  
• Various audio and video players do not see some of the files recorded on the memory card;
  
• Files are not copied and / or deleted from the memory card.

If you do not record new data on the card, and the old ones will appear again after deletion
and formatting does not help - map the corpse and restore it will not succeed!

A bit of theory.
FolderLOST.DIR. Why does it fill up?
This folder is created when Android launches File System ChecK (similar to Windows Chkdsk) and finds lost chains of files. These files appear if you pull out a memory card at the moment when it will be recorded. After all, Windows is trying to write files using the caching mechanism. When you pull out the cable, the contents of the cache do not have time to write to the disk and the data in the file are defective. After the device is disconnected from the computer, Android launches a map scan and detects such "broken" files, moving their remnants to the LOST.DIR directory.

Useful links:
1. FAQ on devices and Android OS- look in the FAQ for your device, maybe there are described recommended memory cards for a specific model of the device.
2. Look at the topic"Accessories"Your device. It can also be collected useful information on work and non-work cards.
3. Difficult to choose a card? Then look here:Accessories for various devices, as well as a lot of advice was hereI want to buy a 32GB microSD card. Advise., and here:Choosing a flash card

Let's start to practice.

Common to all similar problems actions:

1. Always, before disconnecting the device from the computer, select "Safely Remove", and further, in the device itself "Disconnect USB storage device" (P.S. It may be called differently, depending on the model and firmware of the device).
2. Check the memory card using the applicationScandisk.
3. The problem may lie in the memory card itself. Try formatting it and following the advice above, write files to it.
- How to format:

• Full formatting using the phone: Menu-Settings-Memory-Unplug the memory card (Remove the card) -Clear the card-Connect the SD-card (PS names and paths may vary depending on the phone model);
  
• Formatting using a computer with a choice of different cluster sizes.
  
• Formatting using a special applicationSD FormatterorHard Disk Low Level Format Tool. The so-called "low-level" formatting.
  

4. Try changing the cache on the memory card using this application:® SD Speed ​​Increase
5. Formatting does not help? Try replacing the memory card with another one.
6. The files you recorded from the computer are visible and not from the device? See if there is a file in the folder where you wrote them..nomedia (hidden file). If there is, delete it.

I.Lost your recorded files on the memory card.

1. It was noticed that some files may disappear due to various installed applications. Solving problems with files on the memory card. (Post # 11633656) . Try to remove the latest installed applications, after which this problem was noticed.
2. Solving a problem with a galleryQuickpic - show hidden folders - folder thumbnails it may be missing photos and videos.
3. If the proposed methods do not help, reset to factory settings. This will help to identify whether the problem was in the programs or, perhaps, also in the firmware.
4. Update the firmware version.

Ii.The music player does not see most of the audio files, the explorer and multimedia players fly out while trying to play.

1. Look at the length of the file name, as well as the presence of any characters in them (punctuation marks, etc.). If the names are too long - try to shorten them. In some cases, this procedure helped. How to do this is described here: Solving problems with files on the memory card. (Post # 14068522)

And

Zorex_samsung @ 05/20/2013, 15:32

Guys. Thank you for your help, figured out. )) 0
It was really in the "sheep" that were files with flowers, hearts, icons of melodies and other crap. As soon as they renamed them adequately, it immediately stopped flying and started to appear, thanks again for the help.

2. If there are many files and you have placed them in one folder, then the majority may not be displayed. Try to distribute them into several folders, approximately equally.
3. Go to Settings / Applications / Application Management / Applications, find "Media Storage" Clear Data button.
4. If you use a standard player, then try installing any third-partyCustom Application Directory (Post # 11148359).
5. Files downloaded from the Internet (Vkontakte or other sources) are not displayed? See this:Solving problems with files on the memory card. (Post # 13939287)
6. Look at the correctness of filling tags in the file. If there are various unreadable characters in them, then this may be the reason for player / conductor departures. How to fix tags described herehttp://devfaq.ru/ru/q/11647.
6. Also, in solving this problem, formatting the memory card helped.

Useful messages (in the process of filling)

Recovering data from a card with an encrypted partition on Android 6.0.1Solving problems with files on the memory card. (Post hool # 57151189)
"The parameter is set incorrectly" and "Copying error" through the card reader appearsSolving problems with files on the memory card. (Post # 18565183)
Files from a memory card are missingSolving problems with files on the memory card. (Post # 18091631)
Solving problems with files on the memory card. (Post # 20008786)
Solving problems with files on the memory card. (Post # 20321849)
Solving problems with files on the memory card. (Post # 20452720)
Solving problems with files on the memory card. (Post # 22873305)
Solving problems with files on the memory card. (Post # 23780769)
Solving problems with files on the memory card. (Post # 33182106)
Why does my device not want to work with cards of large volume and class?Solving problems with files on the memory card. (Post # 33255365)
Solving problems with files on the memory card. (Post # 35625792)
Regular player does not show musicSolving problems with files on the memory card. (Post # 36528167)
Card resuscitationSolving problems with files on the memory card. (Post Sancheoz # 38228532)
Warranty memory card replacementSolving problems with files on the memory card. (Post Astoria # 38937175)
Gallery does not see part of filesSolving problems with files on the memory card. (The post gamer49692 # 39274637)and hereSolving problems with files on the memory card. (The post gamer49692 # 39747323)

Useful applications

В® NextApp SDFix - Troubleshooting the write to an external SD card in Android 4.4+
В® DiskDigger- Recover deleted pictures, photos, as well as video.
В® AParted (Sd Card Partition)- The program repairs and creates partitions on a micro Sd card.
В® PARTITION-TOOLKIT SD-USB-RU!- Creating and formatting partitions exFAT FAT32 EXT2 EXT3 EXT4 Linux Swap NTFS and ReiserFS.
in the process of filling ...

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Post has been editedGridzilla - 14.08.18, 18:54

Reason for editing: Typo

[BuBzonya]

Everything turned out. Proshamil. Many thanks: rolleyes:

[PanM001]

BuBzonya,I forgot to delete the LazyList folder, it can also be a hindrance, there is cache-junk, it will then be created again or just reboot.

[Simonius]

There was a problem on the Galaxy R after the firmware, the data storage Multimedia storage application helped. Thank!

[kapenov]

And I get the files. and i also used mx player. I just watched the series, paused, the display went out, because they turn it on again, and he writes File not found. I first sinned on tTorrent, through which I downloaded all the videos, but during the disappearance it was unloaded

tablet Sony Tablet s android 3.2.1

[bym-bym]

Help, the files in the gallery and player are not displayed, although they are there. lg p500. ps If there are new pictures of the video, they appear, and then search. Through the file. manager, then everything is in place!

[Gridzilla]

bym-bym,
Look through the file manager (or from the computer) but with the display of hidden files and folders, is there any chance in the folder with photos of the file.nomedia

[unknownns]

And I get the files. and i also used mx player. I just watched the series, paused, the display went out, because they turn it on again, and he writes File not found. I first sinned on tTorrent, through which I downloaded all the videos, but during the disappearance it was unloaded

What fs?

[JohnGrey13]

Same problem. It turns out I infected my OS with a virus ... it turned out to be in one application, which changes the design for droid 4.0 ...
The solution is- go to the market, download Dr.Web Beta, update the database and check the axis, then if the dock finds a virus, it will offer you to delete it or skip it. We demolish, naturally, all the trash nafig.
Now, pah-pah-pah, everything works fine. And the files do not disappear and on the flash drive immediately all are visible.
By the way, this crap killed my 16GB card: (The scoreboard would give to those comrades who write such viruses ...

Post has been editedJohnGrey13 - 14.04.12, 00:01

[kapenov]

unknownns @ 7.4.2012, 17:03

What fs?

There is no computer at hand to watch, but I did not change it after purchase =>FAT32

[Kreshdiz]

Formatted the flash, threw it all over again. I saw all the music, but the folder among the music does not see everything. All the music that is not in those folders is thrown into a separate folder. And here it is! Android saw all the folders and all the music in them.

[dem000n]

I have the same crap. Sony tablet pill with. It was a mh player, also suffered for a long time, then I read on the forum that it could be because of it, it took down, and the disappearances seemed to stop. But today again, I rebooted the tablet (I hadn’t turned it off for a long time before) and a bunch of movies from the video folder disappeared. Used only Dice player. In short, my conclusion is: this is a bug of the system itself (most likely a media file scanner), and video players only push it to appear, some earlier, some later, depending on the algorithms.
Here in the comments you can still read about this problem:http://code.google.com/p/android/issues/detail?id=3692

Post has been editeddem000n - 19.04.12, 22:35

[budewmg]

maybe there is a problem in the system. but I used to put different players, and disappeared only with mh video. But I upgraded to bucket 2.3.5 and for a month and a half nothing has disappeared yet, although I drive the same MX (and others sometimes). so it can be very. it would be nice if more people wrote their comments on this issue. can and would find the exact culprit of these disappearances. it's good who has a computer. and for those who don’t, it’s necessary to re-download everything from the Internet after such disappearances.

[dem000n]

The worst thing is that there is no regularity here, that's why writing something is quite difficult ... You think that the bug is gone, but it gets out at the most unexpected (and inappropriate) moment. We need some kind of software that could track the moment of deletion, which processes go where and so on.

[dimon2242]

through dd, wipe the flash drive with dev / zero zeroes and then reformat from windows to fat!
If it does not help - a flash drive on the trash!
At the very flash drive for 2GB samsung, the files began to disappear after copying them!
Also, it will not be superfluous to do a read / write test.

Post has been editeddimon2242 - 20.04.12, 23:39

[dem000n]

Yes, the flash is probably nothing. I had this happen both on the phone and on the tablet (QUMO microsd class 4 32gb vs Transcend sd class 6 32gb). They have nothing at all except volume. As with the devices themselves as a whole: completely different versions of the OS (3.2 and 2.3.6), and absolutely different hardware (tegra and excinos).
By the way, if you google it, the problem is very common, but the descriptions vary, the main thing is that media files always disappear: either a photo, or a video, or music. This can not happen only because of a defective card. 99% that the media scanner bug, and Google for some reason does not itch (although there is a possibility that they fixed it in ics, but I have not tested it yet)

[severovo]

Guys, everything is much easier ..
Android refuses to see many files in one folder. Create ten subfolders in the Sounds folder and scatter all the music of 25 pieces there. It all worked for me after this manipulation.

[alex4313]

I also have Samsung galaxy ace the same problem, video files disappear, 2giga disappeared on my native flash drive, now I took 16 gig. they also disappear, I just didn’t do it with him, and the format, and the general reset, and checked for viruses, still disappear! ((((

[den2525]

Such a problem disappeared only the pictures and the folder with photos from the other phone copied and some video, how to restore it now. Gelaxi ace model.

[glebsts]

I have a 16 gig a-date, the LG Optimus P500 worked without problems, the Motorola Defy + started - the music and photos are sent to Lost.dir, and I don’t know whether it is connected or not, but the card is mounted read-only.

[Gridzilla]

[email protected], 18:27

music and pictures are sent to Lost.dir

In order for them not to get there, it is necessary to correctly disconnect the device from the computer. That is, use "safe extraction" on the computer itself and in the phone also disconnect the USB drive.