To create the registry subkey, follow these steps:
Press the Windows logo key + R to open the Run box. (or right-click on windows icon in lower left corner)
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
In the navigation pane, locate the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\atapi
Right-click atapi, point to New, then click Key.
Type Controller0, and then press Enter.
Right-click Controller0, point to New, and then click DWORD(32-bit) Value .
Type EnumDevice1, and then press Enter.
Right-click EnumDevice1, click Modify....
Type 1 in the Value data box, and then click OK.
Exit Registry Editor.
