My computer doesnt recongnize dvd or cd drives[solved]

This has happened to me before and i fixed it once. I remember i have to go into my registry and delete some upper and lower filters on the registry key that is connected to my cd/dvd drive but i cant remember the location. help
Answer #1
First result on google.
http://support.microsoft.com/kb/314060
Answer #2
You could try reinstalling the drivers for them.
Answer #3
Check connections
Reinstall Drivers
If all else fails relate to reapers post and run the Mr fix it thing.
http://go.microsoft.com/?linkid=9645377
Answer #4
Make sure your aspi driver layer is installed http://www.adaptec.com/en-US/speed/software_pc/aspi/aspi_v471_exe.htm
Answer #5
thanks guys i got it taken care of i just needed the location in the registry haha i couldnt remember. All i had to do was delete the upper filters again and all of my disc drives came back.
Answer #6
try this program. it will make your DVD get back
Dead link removed~ Search.