Did you give it some flowers, take it to a nice dinner...you know, be romantic to see if it will open up?
i think the op is mixing up DVD_R with CDS DVD-R/+R cannot be opened on a CD-ROM only drive, ensure your computer has the correct drive.....otherwise flowers isn't that bad of an idea... *chuckles -tripplite
Listen son, down here in the south, we use liquid panty remover, works everytime. Just mosey up to your reclusive neightbor who lives near the swamp and carries the rusty double barrel shottygun. Yell loudly and announce your presence, the gun looks menacing but only has a 40 yard lethal range. Inform him that you wish to purchase some of his best shine, at least 190 proof. One gallon should suffice. Once back in your home, pour about a quart in your open DVD-CD-R drive, insert the questionable disk, close it, wait 5 minutes. During the waiting time. pour yourself a couple of shots and down them. But, for the love of mercy, stop drinking when Rosanne Bahr starts looking like a hot fine thing. At this point in time, you won't care that your computer can't open up the darn disk. Go back to your neighbor, borry his shootin' iron, take it back into your house and show it to your computer, by this time, your computer should be sufficiently stewed to open anything you want it to. What ever you do, do not accept a challenge to shoot an empty shot glass off anyone's head with the double barrel shotgun. Alcohol, firearms and good ol' southern boys don't mix well, actually they do, but it never ends well for someone or the wife's ugly dog. Oh wait, I realize I now misread your original post. A is a double layer disk, one side CD, the other a DVD, it sounds like the manufacturing plant accidentally glued the wrong sides together. Get yourself a sharp wood chisel, at least an inch and a half wide, and carefully split the disks apart again, the reglue them back together with the oppostite sides facing out. Your disk will now operate correctly.
I have a whole spindle of these. Now, thanks to blivetNC, I can bring them back to life. I once tried the shotgun, shot glass, and head thing. Only problem was I was I tried it with a mirror and some smarta$$ put the shot glass on my head. Going to the barber has never been the same.
@fergui1 Love the reverse Mohawk. I once came home from summer camp sporting a Mohawk in the 50s and my parents were none to thrilled. There was no school during vacation, but I had to have my head shaved within a day or two. That really wasn't traumatic because boys all wore GI buzz cuts anyway, back then. Is that your pic?
Thankfully, no. Thats funny about you getting a mohawk. The outcome reminds me of the time I pierced my own ear.LOL