Hp ze2308 black screen

Hi guys, hope you can help me.
I have a HP ze2000wm that I was using to set up an access point.
After setting up the access point I got a message that my laptop needed to be restarted.....I selected ;restart now;, then another message appeared on the screen, which I didn't pay attention what it said.
The computer went through the restart function, LED's lit up, hard drive started up, got a beep, but never got anything displayed on the screen.
Plugged in external monitor and it displayed like it should have.
Did some research on what the problems could be..ordered new CCFL and a new inverter board.
Installed them today but still have a black screen (CCFL was hooked up to inverter board, not in it's permanent place for simplicity).
Is there anything else I should check? The display switch that makes the video go blank when lid closes looks ok.
Any tips would be greatly appreciated.
Mrroosky
New Mexico