CD-ROM drive on the computer solution to disappear!

VISTA in use for some time, will have taken place in the CD-ROM drive disappeared from the problem of computing devices, lifting devices can not be restored after a reboot, so share the solution here: 1. Choose to perform, playing word 』『 regedit and press Enter 『』. 2. Find KEY_LOCAL_MACHINE → SYSTEM → CurrentControlSet → Control → Class → {4D36E965-E325-11C E-BFC1-08002BE10318}3. Remove 『』 and 『loweverfilter upperfilter』, and then restart. You can see it!