CD or DVD drive not working

Titile-CD or DVD drive is not working .

1.        Click Start, and then click Run.

2.        In the Open box, type regedit, and then click OK.

3.        In the navigation pane, locate and then click the following registry subkey:

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

4.        In the right pane, click UpperFilters. 

Note You may also see an UpperFilters.bak registry entry. You do not have to remove that entry. ClickUpperFilters only. If you do not see the UpperFilters registry entry, you still might have to remove the LowerFilters registry entry. To do this, go to step 7.

5.        On the Edit menu, click Delete.

6.        When you are prompted to confirm the deletion, click Yes.

7.        In the right pane, click LowerFilters. 

Note If you do not see the LowerFilters registry entry, unfortunately this content cannot help you any further. Go to the "Next Steps" section for information about how you can find more solutions or more help on the Microsoft Web site.

8.        On the Edit menu, click Delete.

9.        When you are prompted to confirm the deletion, click Yes.

10.     Exit Registry Editor.

11.     Restart the computer.

12.     Click here

If the above steps doesnot work then follow the steps mentioned below

Remove and reinstall drivers

If the drive is not listed, remove and reinstall the existing drivers. To do this, follow these steps:

Windows 7

1.        Click Start

, and then click Control Panel.

2.        Click System and Security, click System, and then click Device Manager. 

Note If Control Panel is in Classic View, double-click System, and then click Device Manager.

If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

3.        In Device Manager, expand DVD/CD-ROM drives, right-click the CD and DVD devices, and then clickUninstall.

4.        When you are prompted to confirm that you want to remove the device, click OK.

5.        Restart the computer.

6.        Or click here to get the support from microsoft certified technicaian

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