HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\ĥ.
Locate the UpperFilters value under the following key in the registry: To manually delete the UpperFilters and LowerFilters registry values, follow these steps: 1. Microsoft cannot guarantee that these problems can be solved. These problems might require that you reinstall your operating system.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. Steps to delete the UpperFilters and LowerFilters registry values that can cause CD access problems And let the system automatically load the Drivers,