Audio is fine, white screen with NO picture. All connections in place, lamp LED flashes as unit warms up, goes out once white screen appears.
Here is a site for ColorWheel replacement, which is what you need to do if you hear that screeching or fan running noise coming from your TV. Sometimes the wheel just explodes which gives you no picture.
If you open up a small panel in the back of your TV, there is a little blue switch that you can see. You need to tie the switch down tight, and then start up the TV. It should work.
If it doen't work, press Mute>1>8>2>Power on your remote, go into debug mode, and then it might stop working.
Usually answered in minutes!