I have a Panasonic DVD VCR/DVD recorder DMR-EZ37V.It supports almost all types DVDs. -R,+R,+RW&-RW.I've used the higher end brands:Sony,TDK,Maxell,Memoerex ,to the "cheapest" brands,Imation(50@$4.99!)and Office depot brands.Fuji,etc. ALL have worked equally well.Did you "Finalize" your "burn"?I record on a standalone box,DVDs must be finalized,to play on devices other than the original burn device. So check your options.