Press the undo button on the side of your computer
Yes, if it is not write protected and has the required amount of space.
You would move the little slide that is on the side of it.
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.
Yes it is
also How do you know if a CD is protected or not?
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.
Commonly CD Read Write are used for reliable data storage as these devices offer a lot of capacity and reliability. One has to be careful with CD to ensure that these devices are protected from scratches, sunlight and dust.