Toshiba ...bad motherboard?

I have a ~2.5 year old Toshiba M35X and this morning I was using it while plugged into AC power (battery fully charged too I think) and it just shut off, acted like it went into hibernate mode. The blue ring around power button stayed illuminated. I tried to cycle power using button and it would not shut off/do anything. I removed battery and tried to power up. The CPU fan runs for like 1 second (always did that) and then blue ring stays on, nothing else. I plugged it into a desktop monitor to see if screen failed but nothing there either. I took it apart and re-seated everything and no change. I tried without battery to see if it failed and was dumping the power but no change. Do you think the internal PS failed? Mother board? Can I test any of that with digital multi-meter? I put recovery disk in and the CD ROM drive never runs. I can not get to the bios or safe mode. Other than the fan cycling for the second it acts totally dead. Any thoughts / advice?

 

Sounds like a motherboard or possibly a processor issue to me. Not being able to get into the BIOS is a serious problem. When you took the notebook apart did you reseat the proc as well? Did you see any burn marks on the processor? Other than that I can't think of anything else.

Good Luck!

 

I didn't remove the fan/heat pipe/heat sink assembly to get to the processor. I guess I should if the CPU is in a socket. Here is silly question, other than function keys is there a way to make sure I am trying to get to the BIOS.

 

On Toshiba's I don't remeber the exact keys it could be the ESC or F2 keys. Give those a try.