10.10 not recognizing dvd player

[G.]

> Could you be a little more specific as to which specific methods
> you're using to eject the DVD?

I have tried the Nautilus eject 'button' as well as the DVD hardware
eject button.



>
> What does 'df' show after you've ejected the DVD?  What shows up on
> the left panel in Nautilus' browser mode?
>


Do not know what 'df' means.  In Nautilus the ejected dvd still shows
as mounted but you can not list the contents once the dvd is removed.

Thanks


garyk