hello and thanks for any answers

i have a dvd drive that ive had for a while
it is HL-DT-ST DVDRAM GSA-4040B

It wont read any dvd ive burned
it used to read all my burnt dvds, but now its not at all
i have some custom boot disks, that ive tried running

they used to work, but now they wont at all
its like my drive has gave up on all of these custom dvds!

official dvds still work, like when i play the sims and stuff
but anything ive burned or someone else has burned refuses to work any longer

ive tried booting in safe mode, and it didnt help
so anything else you can think of ill try!