Dvdr Recorders Phillips How Do You Copy A Dvd-r To Another Dvd-r That You Recorded From A Dvdr Recorder?

How do you copy a dvd-r to another dvd-r that you recorded from a dvdr recorder? - dvdr recorders phillips

I took a few TV shows I recorded on my DVD recorder and a copy of it, I tryed to copy from my computer, but can not be played or copied to another DVD-R, is there something I can use to copy on another disk?