If you do not have any important file saved on the SD card, then you can format the SD card. In case an error message “The Disk Write is Protected” appears while performing the SD card formatting, then turn off the write protection button on the SD card. Else, you can recover the data by downloading a recovery tool.
Now, download and install the MiniTool Power Data Recovery software. To know How to Recover Raw Files from SD Card using MiniTool Power, you will have to upgrade to a full edition. Now, launch the application on your system and choose the SD card. Click Scan to get the files on your system. By scanning the SD card, it will display the list of files that you can export to your system.
Wait until the scanning process is complete. You will be displayed with an estimated time with the number of files found. Once the scanning process is complete, have a glance at the displayed files. You can recover the documents by marking the checkbox next to every file (image of documents) and then click Save.