I purchased a pack of

Question

I purchased a pack of Memorex CD-R rrecordable 52X 700MB 80 min. discs from Staples and I was told I could use these to transfer pictures from my drive c. When I put the CD in to the drive D it asks me to insert the disk. I was told I need to burn these discs or format them before copying. I read the instructions how to copy a file but that does work.