Shutdown - Switch Off
Remove flat ribbon cable and power cable from CD drive.
Switch on and boot into Windows (with CD drive disconnected).
Now Shut Down and switch off again.
Reconnect both cables to CD drive securely, making sure red stripe on flat ribbon cable is nearest to the power socket, though most connectors are now keyed to prevent mistakes.
Reboot into Windows.
Post back if still not showing in Windows.
Remove flat ribbon cable and power cable from CD drive.
Switch on and boot into Windows (with CD drive disconnected).
Now Shut Down and switch off again.
Reconnect both cables to CD drive securely, making sure red stripe on flat ribbon cable is nearest to the power socket, though most connectors are now keyed to prevent mistakes.
Reboot into Windows.
Post back if still not showing in Windows.