Try to hook up a sony laptop to a projector, but the HDMI input on the PJ is showing "No Input". It appears not to be is not getting a signal from the laptop. I have checked the settings in the Nvidia control panel but do not see anything else I can change.

Open to sugesstions please.

Thanks

What's the model No. of the Sony?

Vaio VGN-FZ190
Running Vista Home Premium
With NVIDIA GeForce 8400M GT video card
Blu-ray drive