DELL 1610HD is not 3D?

i have tried by pc 3D vision nvidia during sending 120hz signal is wrote'signal don t allowed' and will be back to 60hz

2 in menu during use hdmi the 3D display option don t appear

i have called customer service, they said me that it is 3D ready and i must send the rite signal to projector or 3d will not b enabled

3 i will buy optoma 3D-XL 3D adapter for projector

a guy try a 1510x and said that is not compatible

Dell projetor are not 3D? or it s only mine?

The point is that i have buy it because was 3D ready without that is pointless

It s strange that projector more cheaper than this works in 3D  and mine no

If someone has a solution please reply me

Thank you in advance