Windows XP
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. Click UpperFilters 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.
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.
Remove and reinstall drivers in Microsoft Windows XP
1. Click Start, and then click Control Panel.
2. Click System and Maintenance, and then click System,
3. On the Hardware tab, click Device Manager. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
4. In Device Manager, expland DVD/CD-ROM drives, right-click the CD and DVD devices, and then click Uninstall.
5. When you are prompted to confirm that you want to remove the device, click OK.
6. Restart the computer.
After the computer restarts, the drivers will be automatically installed.
See if reinstalling the drivers fixed the problem.
Now try to play or access a CD or DVD.
If you can play or access a CD or DVD, you are finished with this article.
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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. Click UpperFilters 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.
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.
Remove and reinstall drivers in Microsoft Windows XP
1. Click Start, and then click Control Panel.
2. Click System and Maintenance, and then click System,
3. On the Hardware tab, click Device Manager. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
4. In Device Manager, expland DVD/CD-ROM drives, right-click the CD and DVD devices, and then click Uninstall.
5. When you are prompted to confirm that you want to remove the device, click OK.
6. Restart the computer.
After the computer restarts, the drivers will be automatically installed.
See if reinstalling the drivers fixed the problem.
Now try to play or access a CD or DVD.
If you can play or access a CD or DVD, you are finished with this article.
