A CD-R is a type of compact disc that can be used to store digital data. The data can be erased and reused multiple times. To erase a CD-R, you will need a CD eraser.

First, make sure that the CD-R you want to erase is not write-protected. If it is, you will not be able to erase it.

Next, insert the CD-R into the CD eraser.

Then, press the erase button.

The CD-R will be erased in a few seconds.

When it is done, remove the CD-R from the CD eraser.

You can now reuse the CD-R to store …