[Gllug] Spontaneous shutdown of laptop

[John Winters]

My laptop - a Lenovo 3000 N200 - did something rather odd this morning.

I left it doing a long compile (OK - it was a kernel compile) which usually
takes it about 35 mins.

When I came back it was powered off.  Not just crashed - switched off.  It
had clearly shut down uncleanly because the file system journals had to be
replayed when I turned it on again.  I've checked the battery and that's
fine, and in any case it was running from mains power.

My only thought is that it might have been switched off my some sort of
thermal protection device built into the laptop.  It's a couple of years
old, and I've never opened it up to check for dust build-up.  Is this
something which a laptop is likely to contain?  Can anyone think of another
reason why one would spontaneously switch itself off?

I didn't have time to investigate further this morning, but will probably
open it up tonight.

TIA,
John
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