Log on with Administrative Privileges
Open the Registry Editor:
- Click on "Start" then select "Run"
- Type "regedit" and click "OK"
BACKUP YOUR REGISTRY BY:
a) Highlight "My Computer" by clicking on it once.
b) At the top of the page you should see "File"(Win XP) or "Registry" (Win 2000), click on this and then select "Export Registry File"
c) The following screen will allow you to select where you would like to save this backup and what file name you would like to save it as.
d) Please note at the bottom of the screen where it says export range "All"; this should be selected to ensure your entire registry is backed up completely.
e) Give the File a name and click on the "SAVE" button (this will bring you back to the registry editor)
Remove the UpperFilters and LowerFilters values by:
a) Expand the "HKEY_LOCAL_MACHINE" key (looks like a folder) by double clicking it (or clicking the "+" next to it.)
b) Expand the "SYSTEM" Key
c) Expand the "CurrentControlSet" Key
d) Expand the "Control" Key
e) Expand the "Class" Key
f) Please look for a key containing the following string of letter and numbers:
{4D36E965-E325-11CE-BFC1-08002BE10318}.
g) High light this key by left clicking once on it
h) On the right hand side you are looking for "UpperFilters" and "LowerFilters", once you find these please delete them - high light them (clicking on them once) and then delete them by "Right" clicking on them and choosing "delete" (or pressing "Delete" on your keyboard.)
g) Note: It will be easier to use the Registry editor in the future if you collapse the keys that you expanded by Double clicking the expanded key (or clicking the "-" next to them.)
Close the Registry Editor, click on "File"(Win XP) or "Registry" (Win 2000) and then click on "Exit"
Restart your computer. Your CD/DVD Drives should be back and functioning.
/Jerry
The wanna be computer science guy...