Riskyone101

Hello and Welcome to TSF,

Remove Lower and upper filters:

1. Close all open programs
2. Click on Start, Run, and type REGEDIT and press Enter
3. Click on the plus signs (+) next to the following folders

HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
{4D36E965-E325-11CE-BFC1-08002BE10318}

4) This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the
following names in the right hand column.

UpperFilters
LowerFilters
UpperFilters.bak
LowerFilters.bak

5. If any of the above keys shown in step 4 are listed, right-click on them and choose Delete

6) After deleting the keys, close the Registry Editor

7) Reboot your computer

8) Open My Computer and check to see if your CD or DVD drives have returned.
You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone.

NOTE: After removing these registry keys and rebooting, it may be necessary to reinstall any CD or DVD recording applications.