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Unformat SanDisk Extreme SDHC

Have you ever met an unformat SanDisk extreme SDHC card? What would you do if you have to access information saved on it previously at that moment? It seems that you have two choices at that time, format the SDHC card or not format it. Both choices can not make those disappeared files accessible, however. But there is the third option that gets back the inaccessible information and views it then, as a matter of fact. What you need is data recovery software.

Case of SanDisk extreme SDHC card showing unformat problem

I have a SanDisk extreme SDHC card to which my friend gave me. I have stored a lot of precious and valuable pictures on it since I own it. But now the SDHC card shows unformat problem and changes to RAW file system. I do not know how to fix it. System message me that I have to format the SDHC card before I can use it and asks me whether do I want to format it now. I choose not to format it because I do not want to lost those photos. Is there any other possible way for me to get back my pictures? -Lama from New York

How to retrieve lost information from the SDHC card which is not formatted with data recovery software

Data recovery software could get back those inaccessible from the formatted SDHC card quickly and safely. But what you should pay attention to is that never let those files overwritten by any new data or appears other corruption trouble. The following steps will show you how the data recovery tool works:

Recover data from SDHC card

Preparation: Download and install data recovery software on your computer. Then, connect the SDHC card to the computer and run the software. Finally, you can select a proper recovery module.

1 Download and install the data recovery software on the computer.
2Connect the problematic SDHC card to the computer by inserting it to a card reader first.
3Open the data restoration tool. Then choose the recovery model and target disk to scan.
4Preview the contents in the list after the scan and then choose the files need to be retrieved to recover.

Correct usage to SDHC card in order to avoid losing files

Do you have any idea why the SDHC card turn to unformat when connect to the computer and try to open it? Actually, the reasons are various. For example, it may because virus infection, system corruption, improper usage, and so on. Among those reasons, the incorrect usage accounts for the most. What's more, the improper usage also may result in other data loss situations happen to SDHC card. So it is important for us to use the SDHC card correctly. Here is some guidance as follows:

1. Plug the SDHC card out of computer safely. Some people like to remove the SDHC card from computer suddenly or not safely. The safe removal means that plug the SDHC card out of computer when the information now you can remove the portable storage devices from out of the computer safely appears. To see such prompt, you need to close the related programs and click on the SDHC card icon at first.

2. Refuse the harmful software and files and links. Some people like to save every data on the SDHC card, such as apps, texts, e-mails, and other kind of files. It is not wrong for that, but sometime some software, apps and files may contain virus and worms, which may infect the SDHC card and data on it. So we should not save and use that information on the SDHC card.

3. Try to avoid power failure. Some people like to use the computer and read information on the SDHC card without enough power supply. So there is a risk that the computer is closed suddenly. Maybe you think it is not a big deal, but actually information saved on the SDHC card may be lost due to such power outage, especially when the SDHC card in the process of read and write as the computer closed abruptly.

4. Put the SDHC card away from heat and corrosive liquid. We call such data loss case that data lost due to the flash chips damage as physical corruption, and the lost information is hard to be retrieved from the physical corrupted SDHC card. Both the high temperature and corrosive may cause the physical damage to the SDHC card.

5. Other similar correct usage to SDHC card.

Brief introduction to SDHC card

SDHC card, whose full name is secure digital high capacity card, is one kind of SD (secure digital) card. Its memory capacity is range 4GB from 32GB. We can get the most obvious feature of SDHC card from its name, high capacity. What's more, the file system of SDHC card must be FAT32, but not others.

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