hud problem 05 gtp

are any of you guys having problems with your hud? mine doesnt appear on the windsheild at all

I know this is about 2 months late, but have you looked here for the DIY of the HUD unit on our cars?
Here's the link:
http://www.gpona.com/forums/viewtopic.php?f=12&t=13325&p=210936#p210936

I've got to tear in to mine as soon as we have some pretty days and I'm off work to fix mine.

Don