Help please with dvd rw

Hi Im tucks I have just brought a laptop with a dvd +/- rw on and i am trying to copydownloaded files onto dvd but it wont let me someone said i have to decode my rw can anyone help in what i have to do please via email will be nice

thank u:cool:

It would be helpful to get a little bit more information than you just provided. For example, what type of tiles are you trying to backup? What software are you using? What windows version are you using? What kind of writer (laptop, make and model) are you using?

i am using a sony vaio
on windows xp
i am trying to copy original cds u can buy and mpeg and avi files does that help