How to Repair Corrupted File System on SD Card Using CMD

 Step 1: Insert the corrupted SD card into your PC using a card reader.

Step 2: Click on the "Start" button, select the "Computer" option. Search for your SD card under "Devices with Removable Storage" and note the assigned drive letter.

Step 3: Click on the "Start" button, in the search box, type "cmd".

Step 4: Right-click "cmd.exe" and then select the "Run as administrator" option.

Step 5: Type the command: chkdsk [sd card drive letter]: /f /r /x and press enter.

*Chkdsk will start to check and fix any possible errors on the corrupted SD card and make it readable again.