Within Device Manager, verify the CD-ROM has no exclamation marks or red X's. In Windows Vista and later, click the Device Manager link on the left side of the System window. In Windows XP and earlier, click the Hardware tab and then the Device Manager button.If, after cleaning the drive and CDs, you still get errors, it's likely the disc drive is bad. For instructions on cleaning your CDs and disc drive, see the computer cleaning page. If all but one or two discs fail, the disc drive is bad or dirty. Make sure you have tested more than one CD in the disc drive, as it may be one CD that is bad or dirty. If a CD-ROM or DVD-ROM disc drive in your computer is not reading discs correctly, the following tips and information may help you fix the problem.
