PC tricks, how to use the “Command Prompt” based commands to repair the corrupted external portable storage devices (NVMe SSD, SSD, Hard Disk, Pen Drive) explained in Tamil language. “CHKDSK *:/F/R” is the command used, the “*” should be replaced by the external storage drive letter mentioned in your computer. This process will scan the external storage for corrupted files and automatic repair the external storage drive. Same command can be used in Windows 7, Windows 8, Windows 10 and Windows 11