Windows 8 – Missing CD/DVD Drive

Method 4: Create a registry subkey

Note To use this method, you must be logged on to Windows as an administrator. If you need help verifying that you are an administrator, go to http://support.microsoft.com/gp/admin.

Important Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.

To create the registry subkey, follow these steps:

  1. Press the Windows logo key + R to open the Run box.
  2. Type regedit in the Run box, then press Enter. If you are prompted for an administrator password or for a confirmation, type the password or click Allow.
  3. In the navigation pane, locate the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\atapi
  4. Right-click atapi, point to New, then click Key.
  5. Type Controller0, and then press Enter.
  6. Right-click Controller0, point to New, and then click DWORD(32-bit) Value.
  7. Type EnumDevice1, and then press Enter.
  8. Right-click EnumDevice1, click Modify….
  9. Type 1 in the Value data box, and then click OK.
  10. Exit Registry Editor.
  11. Restart the computer.