how to get Orca to speak in lightdm

[Milton]

In lightdm I use ctrl_S to start Orca to speak. But now it won't work. a 
sighted person told me that there is only one account shown in the login 
screen. so I think it is not lightdm. In the software Centre I delete 
the Lubuntu-desktop but I still stay with another dm.
Milton

Op 28-04-15 om 05:39 schreef B. Henry:
> It is once logged in for sure, but I thought it was different on log-in screen, aI may be wrong though, but now that I hear the lu instead of ubuntu I'm
> wondering if lightdm is even used .
> LXDM does not speak as far as I know, but perhaps it is not used.
>
>