Anyone experience sudden shut-down? (T400s)

[bmfyxpp]

It's a rare occurrence (3 times in 2 months), but never happened in 4 years with my T60p. What can cause the computer to suddenly shut down?

The only thing I can think of is overheating, though the shutdowns have occurred when I'm doing non-intensive stuff like web browsing or light word processing. When I've taxed the system, it's never had a problem.

Or maybe my AC adapter/power source is the culprit. Maybe a surge of some kind?

Wondering if anyone else has had this happen. I'm running 64-bit Windows 7 with a Toshiba SSD if that matters.

Thanks!

[duffy]

You might find this interesting.
T400s random shutdowns

[bmfyxpp]

Great resource! Updated the BIOS, will stick with the current video driver for now (since everyone thinks version 1855 is the most stable), and update if necessary.

Thanks again!