my cd/dvd driver is not recognized by the computer

I tried the removing upper/lower filter thing, but when I got to the screen to remove them, neither were there. Soo I’m guessing I have another problem. Can anyone help.

See if this takes care of your problem:
To fix this problem automatically, click the Fix this problem link.
Then, click Run now button from the Automated Troubleshooting Services page and follow the steps in this wizard.
http://support.microsoft.com/mats/cd_dvd_drive_problems/en-us