First, please double check the master/slave jumpers and the cable/power connections. Also, please check if the DVD drive is detected by BIOS. You can contact the motherboard manufacturer for more information about how to access and check the BIOS settings.
If the DVD drive can be detected in BIOS, please continue to check the registry key by the steps below. However, if the DVD drive cannot be detected by BIOS, please contact the hardware manufacturer/vendor to check the hardware for you.
1. Click the Start Button, type regedit in the "Start Search" text box and then press ENTER.
2. Navigate to the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
3. Right click the {4D36E965-E325-11CE-BFC1-08002BE10318} entry, choose "Export", select Desktop in the Save in box and type backup in File Name. Click Save.
Please Note: The backup file is on the Desktop and named backup.reg. We can simply restore the registry by double-clicking the backup.reg file.
4. Highlight this key ({4D36E965-E325-11CE-BFC1-08002BE10318}), on the right pane, and then check if Upperfilters and Lowerfilters value are present. If so, please right click on the values and select "Delete" to remove them.
5. Restart the computer.
Hope this helps.
