Question Lenovo T430 Not Displaying and wont boot with CMOS battery in.

[Dan_97]

My Lenovo T430 is not displaying. If I unplug the CMOS battery it will "start up" with no display but I can't get it to display externally either. It makes 3 beeps on boot every time. I have tried removing and reseating ram and other components with the same results. Any ideas?

 

[Fix_that_Glitch]

What happened that it went off, what was going on when it shut off?