How to Remove Write Protection Using Lock Switch If your computer indicates the media is write-protected, search for a write protection switch (also known as a lock switch) on the USB drive or SD ...

2] Remove disk write protection If write protection is enabled on your disk, it will prevent your PC from adding or updating files to a folder or drive. You can try to remove disk write protection ...

You need to remove the write protection on that disk using diskpart or registry editor. It is the only way you can run CHKDSK on a disk that is write-protected.