I have a compaq NC8000 that will not start. I push the power button and it starts up for a couple of seconds and then shuts down. Not even anything on the display. I've tried the things below but to no avail. Please help reseated the memory card and moved to another slot check LCD connections both on motherboard and took the display off and checked the connections on the display itself. removed wireless card, bluetooth and modem card tried with and without battery in took out all external components ie DVD, HD, memory stick, battery at a lost, any suggestions?