Unable to Open Camera SD Card

"When I turned on my Canon digital camera with an 8GB SD card inserted, I can see that the SD card shows as a storage media. However, I cannot open the SD card. Then, I connected the SD card to my computer through a card reader, but the system showed a message that USB device is not recognized. I tried several times, but I got the same error message every time. Can I get back files from the SD card?"

"I was unable to open a 32GB SanDisk SD card for my digital camera. There are lots of important photos on the card, but I have no idea why it becomes unreadable. The digital camera says that no memory card inserted and the Windows system says unknown USB device after connecting the SD card. Please tell me how to deal with the problem and restore lost files."

Solution - Recover Data When SD Card Cannot Be Opened

If Windows pops up message like "USB device is not recognized" or "unknown USB device", probably there is something wrong with the USB device. If SD card cannot be opened on both digital camera and computer, you can rely on data recovery software to get back files on the corrupted SD card. With the professional data recovery software, you can restore pictures, videos, music, etc from all types of SD card even if you are unable to open the SD card. The data recovery software can deep scan the SD card to search for files and enables you to preview the found files after scanning.

Steps to Recover Files from Camera SD Card

download usb recovery software

Step1. Insert the SD card to a card reader and connect it to your computer. Download and install the data recovery software on the same computer. Then, you can launch the software and choose a recovery module.

select recovery
Step2. Choose the SD card as target device and let the software scan for lost files. You just need to wait when the software is scanning.

select drive
Step3. You can preview the found files after scanning. Then, you can select the files you need and recover them.

recover files

download usb recovery software

Reasons Why Unable to Open SD Card

The reasons why SD card cannot be opened are various. Here are some possible reasons:
1. SD card is infected with virus
Today’s smartphone allows users to download and install software or programs on it, but many programs or software contain virus or Trojan. If you have downloaded any program to your SD card and it is infected with virus, probably you will be unable to open the SD card. In this situation, you can connect the SD card to your computer and run anti-virus software to remove virus and format the SD card.

2. SD card is formatted improperly
You may format your SD card improperly on digital camera or computer, and the SD card might become unreadable after formatting. Therefore, when you want to format your SD card, you should format it properly.

3. SD card is corrupted
SD card corruption is another possible reason that may lead you unable to open the card.

Data Recovery after Formatting SD Card

If you need to format your SD card when you cannot open the card, you had better format it when data has been restored. If you format your SD card by mistake, the data recovery software can help retrieve lost files as long as you don’t write new data to the card after formatting. As a professional recovery tool, the data recovery software also supports to recover data in some other situations like recovering photos after deleting from SD card, or when SD card has not formatted error and SD card RAW file system and more. This software also allows you to recover data from other device like external hard disk, USB flash drive, and pen drive and so on.

download usb recovery software

Recover data now!


iCare Data Recovery Pro : Data recovery from sd card for digital camera when it cannot be accessied

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Data Recovery Software> Resource > User Story > Card Recovery > What to do when you won't able to open sd card