Backup does not Boot Help.

[abadan1336]

Hi
I have a gameenhancer and my backups which I burned on good quility cd's wont boot and they make tracking noises and takes longer to load but my originals are fine i changed the bios but it got worse now both original and backup make tracking noises i cleaned my laser but nothing new.What do you think is the problem and how should i fix it?[/b]