What should I do if all of a sudden the data on my SD card is gone? There s something important

How to fix SD card damage? SD card is an external storage medium, in the current life of the frequency of use is also relatively high, many people in order to expand mobile phones, cameras or other storage devices, often will buy some storage capacity of SD card for data file storage. As the usage time of the SD card increases, so does the amount of memory it occupies.

So how can we recover the data files stored in the SD card if we accidentally delete the data files stored in the SD card during use? How can I get my lost files back? Here are several methods and techniques for SD card data file recovery, which are mainly divided into the following points:

For SD card, as an external storage medium, its main function is also used to store file data, so when we accidentally delete the data files in the SD card in the process of operating and using data, we often need to scan and repair with the help of relevant professional data recovery software, take "Hi Format Data Recovery Master" as an example, **Install the corresponding software, and select "Where the original data files are stored", you can directly select the disk where the files are stored by mistake, and click below" Start Scan" to automatically scan the file.

After the scan is over, we can select the files we need to recover according to the file path or file type, and click the "Recover" option below to get back the lost files.

The above is the introduction of the methods and steps for SD card data file recovery, I believe you also have a certain understanding, in order to be able to retrieve the files that we have mistakenly deleted, when the data is lost, you can also follow the above steps to retrieve the files we deleted by mistake.

Now it's easy to have problems with SD cards so be careful, you can use Swiftdragon data recovery software to see if it's feasible, 90% of it can be recovered, I've done it a few times before.

Scan and retrieve with the Mini Bunny! As long as the data is not corrupted or overwritten, it can be recovered.

You can go to the flashing machine to take a look, and the general system problems can be solved. If the mobile phone is faulty, it really can't be taken to the mobile phone after-sales maintenance department to check it.

It should be a bad card or a bad reader, but you can go to the computer market to try to find a data reply, but the chances are not high.

The 4D card must have been broken, so just replace it with a card, and under normal circumstances, you can use it by replacing the card with a new card.

The causes and solutions are as follows:

1. The SD card of the mobile phone is not in good contact with the mobile phone, and the SD card needs to be reinstalled.

2. The SD card of the mobile phone is formatted and damaged, and the SD card needs to be reformatted.

3. The SD card of the mobile phone is damaged and needs to be replaced with a new SD card.

4. Due to mobile phone software or reasons, the SD card cannot read the finch simple block, and the mobile phone needs to be restored to factory settings or flashed.

5. If the hardware problem of the mobile phone, such as the SD card slot is broken, it should be inspected and repaired after sale.

Hello, according to your situation, the "non-existent" appearance of the SD card is generally due to the poor contact of the card slot of the card on your mobile phone itself. It is possible that your frequent insertion and unplugging of the memory card has caused the memory card slot of the mobile phone to be loosely engaged, and the temperature of the mobile phone will suddenly display "non-existent". If this doesn't happen often, you can insert the memory card halfway or so by yourself and gently shake it up and down a few times, remembering not to force it!!

If this happens to you often, you need to go to the manufacturer's designated repair point to repair and replace the memory card slot. The price may vary depending on the brand of the phone itself, and the general market price fluctuates around 80 yuan, and you can choose to return to the factory for repair or repair on the spot. It is generally recommended that you return to the factory for repair with sufficient time.

That's all for your questions, if you have any questions, you can continue to ask, and I'll be there for you. If you are satisfied with this meeting, please give me the greatest support and encouragement. We are honored to be able to help you solve your problems, and welcome to continue to consult other questions about digital electronics.

What's going on with the phone SD card not working.

Restart your device ......If you can't put it on your computer, try it, and if it doesn't work, you can throw it away!

1.Start by connecting your SD card to your computer.

4.Select the SD card that needs to recover lost data and click Next.

5.Then the software will scan the SD card, which will take a while and require us to be patient.

6.After the scanning, we can see the lost SD card data in the scan result, check the SD card data that needs to be recovered according to our needs, if you want to recover all the data in the SD card, then check all of them, and then click Next.

MMC (Multi-Media Card) was launched in 1997 by Siemens and Sandisk. Because of its advanced packaging technology, 7-pin pins, small size, light weight, very suitable for the needs of mobile storage. MMC supports 1-bit mode, 20MHz clock, and bus structure.

The SD card was jointly launched by Panasonic, Toshiba and SanDisk and released in August 1999. The data transmission and physical specifications of the SD card were developed from MMC, which is about the same size as the MMC card, measuring 32mm x 24mm x. The length and width are the same as those of the MMC card, but thicker than the MMC card to accommodate larger storage units.

The SD series memory cards are all sent to the SD Card Association for certification after SanDisk has completed the test, so almost all the patent rights are in the hands of SanDisk. However, in 2007, due to the turmoil in the NAND market, Sandisk sold its belongings, giving the outside world the illusion that it was about to disappear. Having lost a lot of its core technology and patents, the most important NAND factories were sold to Micron.

It didn't take long for Sandisk, which had re-attracted foreign capital to change its face, and had no intention of developing Flash technology and establishing a new factory. Instead, it invests in Toshiba's partnership with Toshiba to produce chips using Toshiba's manufacturing processes and technologies. After that, Toshiba's new products will be trial-produced with two brands of cards, and the products of the two brands have many similarities, and these two brands are also the main suppliers in the SD card market**.

SD recognizes that the file cannot be displayed for the following reasons:

1. The file is hidden.

Solution: You can view the hidden files on your computer.

2. The SD card format is corrupted.

If the SD card format is corrupted, the file will not be displayed, and the file can be resaved by formatting method.

3. Physical damage to SD.

Workaround: SD physical corruption fails to display files and generally cannot repair SD card.

Change the jack, or change the card reader, you have to make sure that your card is not broken.

There are many common reasons for file loss such as virus, accidental deletion, SD card corruption, files being hidden, etc.

Infected with viruses and maliciously deleting files. SD cards are removable storage devices that are often used to connect data that cannot be transferred on the device, etc., during which it is easy to get infected with viruses. Viruses not only destroy data but also have the potential to clear files.

Accidental deletion of files is a very common reason for data loss, and many users mistakenly delete important data during operations. Files deleted from SD card will not go to the ** site, but will be deleted directly.

The SD card is corrupted. Corrupted SD card memory chips, bad blocks, file system corruption, etc. can also cause file loss.

If the file is hidden, it will not be visible. You can plug the card to your computer and unhide it.

Note: If the files have been lost, it is not very meaningful to investigate the cause of loss, and if you want to get the lost files back, you need to recover the SD card data, and you can use these recovery tools such as Aladdin and DG when recovering. However, if the lost files have been overwritten, they cannot be recovered, and all data recovery should be done as soon as possible.

If you use 360 software, connect the computer with your mobile phone, and find the trash bin in the 360 computer system, it seems that it can be recovered.