Doom 3 PDA not responding to clicks

[h0mmy]

I have tried playing Doom 3 on my new machine running Windows Vista. Everything runs fine, except when I hit TAB to use the PDA, it is perpetually stuck on the blurb about how critical the PDA is and how to use it. It says to click to continue, but this does not work. I can hit TAB again to put away the PDA, but that's it. What is going on? How can I fix this? Any help is appreciated.

[Amaster]

This might sound really silly but is your left mouse button not assigned as the fire key? Did you accidentally bind it to something else?

[h0mmy]

Yeah that is silly, and even sillier that it was the problem. I thought I had bound fire to left-click. And here I was checking drivers and plugging in different mice. Regardless, tsk tsk bad UI design! Thanks for the help.