DVD Driver is not working on my laptop

1. Start > Run.
2. regedit
3. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Class in the Registry Editor dialog box and select the {4D36E965-E325-11CE-BFC1-08002BE10318} key, which appears as a folder.
4. Select File > Export
5. save the file to the Desktop in case you need to restore it
6. In the right panel of the Registry Editor, select the LowerFilters line, and then choose Edit > Delete. Click Yes in the Confirm Key Delete dialog box.
7. Do the same for the UpperFilters line
8. Close the Registry Editor.
9. Restart Windows.

To resolve this problem, remove the affected filter drivers. To do this, follow these steps:

1. Click Start Collapse this imageExpand this image , type regedit in the Start Search box, and then click regedit in the Programs list.
   
   Collapse this imageExpand this image If you are prompted for an administrator password or confirmation, type your password, or click Continue.
2. Locate, and then click the following registry subkey: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E965-E325-11CE-BFC1-08002BE10318}Caution There can be many instances of the registry subkey that is mentioned in step 2. You must make sure that you are in the appropriate registry subkey before modifying the UpperFilters and the LowerFilters values. To verify that you are in the appropriate registry subkey, make sure that the Default data value is DVD/CD-ROM and the Class data value is CDROM.
3. In the right pane, right-click UpperFilters, and then click Delete.
4. Click Yes to confirm the removal of the UpperFilters registry entry.
5. In the right pane, right-click LowerFilters, and then click Delete.
6. Click Yes to confirm the removal of the LowerFilters registry entry.
7. Exit Registry Editor, and then restart the computer.
8. Now try to Install the driver from the cd if still not working then use this link to download the driver:www.filebuzz.com/.../Technika_Vga_Webcam_Driver/1.html