Press the undo button on the side of your computer
You would move the little slide that is on the side of it.
Yes, if it is not write protected and has the required amount of space.
take the memory card out of the camera and push the little yellow lock upwards to unlock it.
Most CDs are "write-protected" when data has been written to them and are not rewritable, or are factory pressed. You cannot write over these as it is physically impossible. no, but you can get a pen and write "format" on the disk and THEN it will be physically possible to write on it :P
its impossible once rote , rote 4ever Is the CD a CD-R or CD+R? If so, you cannot reformat it. Once the disk is finalized, it becomes "read only" and there is no way to reformat because it is a "write once" disk. Is the CD a CD-RW or CD+RW? If so, you can reformat it.
switch from lock to unlock
Simply burn a CD of the files and then reimport them to your computer as an Mp3 or other supported file.
also How do you know if a CD is protected or not?
Yes it is
what CD that allows you to read and write
You can't. You must have a drive with writing capabilities to write to a CD.
A write-protected disk is a storage medium, such as a floppy disk, CD, or USB drive, that has been configured to prevent any data from being written to or modified on it. This protection can be physical, through a switch or tab on the disk, or logical, via software settings. Write protection is often used to safeguard important data from accidental deletion or alteration. When a disk is write-protected, users can read its contents but cannot make any changes.