Synopsis 【Released August 31, 2019 by uncutdata data recovery】
How to retrieve data from an SD card that cannot be recognized by the computer？
SD memory card is a kind of memory device with small size, fast data transmission speed, hot pluggability and other excellent characteristics. It is widely used in portable devices, such as mobile phones, digital cameras, multimedia players, etc. But sometimes for some reasons, SD card can not be recognized by computer and other devices, which leads to the loss of data in it.
"There's an important document in one of my SD cards that needs to be processed as soon as possible. But when I connect it to my computer, the SD card doesn't show up. It's really too annoying. How could this happen? Is there any way to recover the data?”
Have you ever encountered such a situation? So why can't SD cards be recognized? Next, we will introduce the specific reasons and the corresponding solutions for you.
The Reasons and Solutions of SD Card Not Recognized
1. Bad contacts: When SD card has been used for a long time, it will be oxidized after contacting electricity. Or the protection of the chip is not very useful, it is stained with dust or oil and other problems.
Solution: Use cotton cloth dipped in alcohol or water to wipe the card (alcohol is better). When it is completely dry, insert it again.
2. Voltage instability of batteries: There are strict requirements on voltage for SD card. Sometimes using cheap and inferior non-original batteries will cause the problems of reading cards.
Solution: Replace it with the new original battery.
3. SD card infected with virus: This is a very common situation. SD card is often used in different devices, it is easy to infected with virus.
Solution: Use antivirus software. If it is not useful, format the SD card.
4. SD card improper formatting: In some special cases, U disk will be formatted into other formats which the computer can not recognize.
5. SD card damage: If the problem can’t solved by format, then the SD card has been damaged.
Solution: Repair it or change to a new SD card.
So what if none of the above methods can solve the problem that SD cards can't be recognized? Don't worry, the following method is for all kinds of SD card not recognized problems.You can find the data perfectly and efficiently.
Solution 2: Using UnCutData Recovery Wizard Free to Restore SD Card Data
UnCutData Recovery Wizard Free is an integrated free data recovery software for different loss situations. It takes only three simple steps to quickly and perfectly recover the files lost because SD cards cannot be recognized.
Next, let UnCutData Recovery Wizard Free show you how to find important documents in SD cards and solve problems through the following specific steps.
Step 1: Select the format of the missing data
First, please open UnCutData Recovery Wizard Free, you can see the data format selection interface.
There are two lines of icons representing various file formats in the interface. Please pay attention to them. What you need to do at this time is to select the file format. Please check the second icon from the left of the first line.
When the check is completed, a small circle with a check will appear in the lower right corner of the icon. Then you can click the "Next" button on the right, as shown in the figure below.
Step 2: Select the disk where the data was originally located
Then you can see the interface to choose the disk. You need to select the disk where the data you lost was originally located.
You need to retrieve the files on the SD card, so please choose your SD card. After the selection, there will be a small circle with a check mark at the right end of the row of the disk name. Then you can click the "Scan" button on the top right to scan your SD card, as shown in the figure below.
Intermediate step: Scan the disk
The scanning process takes a certain amount of time. The length of time is determined by the files stored on your disk. If the type of files stored on your disk is complex and the capacity is large, the scanning time will be long, and vice versa, as shown in the figure below.
Normally, if you have about 2 GB files in various formats on your F disk, the whole process of disk scan may last for several minutes. Please wait patiently.
Step 3: Select the file you lost to restore
After the scan is completed, all the files will be listed in the left column of the interface on your disk. You can browse them.
All you need to do then is to browse rank by rank to find the missing file and select it. Then click on the "Recovery" button in the upper right corner, as shown in the figure below.
UnCutData Recovery Wizard Free offers you two ways to scan. One is the fast scan that is just done. The advantage is that it is fast and saves time, but some deep files may not be scanned out.
If you can't find the missing file through the fast scan, please find the "deep scan" button in the yellow font at the top of the interface and click on it. Then UnCutData Recovery Wizard Free will scan the files on the disk for you more deeply. Please wait patiently again, as shown in the figure below.
After the deep scan is completed, find the missing file to select and click the "Restore" button. Then your missing file can be restored, as shown in the figure below.
Tips: In order to achieve the best recovery effect, if your SD card has a large number of file types, it is recommended that you first do a fast scan and then a deep scan .
Following the three simple steps provided by UnCutData Recovery Wizard Free, the documents lost because the SD card can not be recognized can be easily retrieved. t doesn’t matter even if you are just a beginner and have no professional computer knowledge, or you have no experience in data recovery. As long as you follow the instructions of UnCutData Recovery Wizard Free in each interface, you can quickly and efficiently recover the data.
If you want to use UnCutData Recovery Wizard Free to restore data files, you can get the genuine version via the following link. And you can download the free version provided to try it before you pay for it. The free version supports to restore 200 MB data.
This article is about to end. You must have got back important documents through the method in this article. If you have friends who encounter this kind of problem around you, and you agree with the above solutions, you can forward this article or share it with them to solve the problem as soon as possible.