HI GUYZZZZ
IF ANY OF THE OPTICAL DRIVES R NOT LISTED UNDER MY COMPUTER I.E , IF ANY OF THE DRIVE LETTER IS MISSING UNDER MY COMPUTER : THEN DO THIS :
Click Start and then click Run.
The Open: box appears.
In the Open: box type Regedit and then click OK.
The Registry Editor window appears.
Click the plus (+) sign next to each of the following keys:
HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
{4D36E965-E325-11CE-BFC1-08002BE10318}
In the right pane, click to highlight Upperfilters, right-click Upperfilters and then click Delete.
In the right pane, click to highlight Lowerfilters, right-click Lowerfilters and then click Delete.
Click OK.
Close the Registry Editor window.
Click Start, Shutdown, Restart, and then click OK



- SRIKANTH DHANWADA