GUIDES

CD drive or DVD drive is missing or is not recognized by Windows or other programs

Your CD drive or DVD drive is missing or not recognized by Windows or other programs, so you cannot play or access a CD or DVD. This issue might have occurred after you installed, uninstalled, or updated a program or Windows Vista.

To manually fix:

Microsoft 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.

    Note If you do not see the LowerFilters registry entry, you can try and EXPORT the registry line from a working XP PC and IMPORT that file into the corrupted PC .
     
  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

 
To manually Fix:

Microsoft Windows Vista

  1. Click Start

    Start button

    , and then click All Programs.
  2. Click Accessories, and then click Run.
  3. Type regedit, and then click OK. User Access Control permission
  4. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
  5. In the navigation pane, locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
  6. 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 8.
     
  7. On the Edit menu, click Delete.
  8. When you are prompted to confirm the deletion, click Yes.
  9. In the right pane, click LowerFilters.

    Note: If you do not see the LowerFilters registry entry, you can try and EXPORT the registry line from a working Vista PC and IMPORT that file into the corrupted PC .
     
  10. On the Edit menu, click Delete.
  11. When you are prompted to confirm the deletion, click Yes.
  12. Exit Registry Editor.
  13. Restart the computer.

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