[Solve ] NEC DVD+-RW ND 6650A Driver Missing

Hello,
hi Happy New Year
I started yhe new year by making a stupid mistake
I clicked start
Click run
Typed in "regedit"
When in registry l navigated to HKEY_LOCAL_MACHINE \ SYSTEM \ CURRENTCONTROLSET \ CONTROL \ CLASS \ {4D36E965E325-11CE-BFC1-08002BE10318} I deleted the Upperfilter and Lower filter values but I DID NOT BACKUP MY REGISTRY BEFORE TAKING THESE ACTIONS PLEASE HELP. Thank You for your time and pacients