Sunday, June 12, 2011

Yellow Exclamation Mark on DVD/CD-Rom in Device Manager

You insert a CD, wait for it to load, Nothing.
You click on My Computer, the CD Rom drive cannot be seen.
You check Device manager, it shows a Yellow exclamation mark on DVD/CD-Rom.

Welcome to the page, where you'll find the solution. I tried uninstalling and reinstalling the CD Rom drivers, didnt work. Opened the Casing, tightened the wires, didnt work. Finally got the solution. Here's the steps

Click Start-> Run -> type regedit and enter. Go to the following Key->

In this, delete the keys 1. Value name : LowerFilters 2. Value name: UpperFilters. ( If you see only one of these values, delete it )
Exit the Registry, Reboot the Machine and find your DVD/CD-Rom Drive ready to use.
For Vista, Microsoft has released the following fix

Keep Visiting and Do Follow :)