Finding out more about the heatsink would require the unit to be taken apart. Cant help you out in that regard.

After thought: Northbridge heatsinks can cause issues like this if they come loose. I see it all the time in Dell Inspiron 1000's. Havent seen it in too many other units but it is a possibility.

Toshiba only has Windows ME drivers available for this unit.

I have seen several laptop models fail/restart/shutdown when the motherboard is flexed. Natural heat buildup will occur seconds after starting a computer. This heat causes expansion of...

List of possible issues:

CPU is not seated properly
CPU/motherboard are not compatible(front side bus on board needs to match CPU)
RAM is not compatible(example - board calls for DDR2 533 only)...

Never assume that it could be one component or another. It could be anything. If it was mine I would strip the unit down to the essentials and work up. Pull everything out that isnt needed for the...

Is it hot to the touch or running normal temps? Have you pulled the battery and tried just AC? You are right about Sonys being pain in rear to take apart. I would try checking voltage from your AC...

Do you get external video with the unit? Hook it up to a desktop monitor and switch video modes. If you dont get any video there. I would reseat memory and CPU. Still nothing, then I would suspect...

What I did after that step was to download the "generic" drivers that they offered on Savage's website. Unzipped them. Instead of the regular look for drivers in the directory I created, I forced...

Next step would be to start with the hardware. Pulling memory/switching memory slots/changing memory(if you had some compatible memory available). Reseating the CPU can sometimes help these issues....