When my CD burner on my laptop died, I replaced it with a unit that can burn either CDs or DVDs. I can't tell you how many different brands and units I went through before I figured it out!

I found that I the only way I can burn DVDs successfully is to leave about 25mb free and burn at a slightly slower speed. In addition to getting the right format, get DVDs that close to your DVD burning speed. I had a couple of old 1x DVD R/W and the burner wouldnt recognize them.

Good luck, Martha!

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Betty