Laptop powers off randomly

[Richard Shaw]

On Sun, Jun 20, 2010 at 9:17 AM, Wendell Nichols <wcn00 at shaw.ca> wrote:
> My Lenovo T61p has started shutting down randomly (usually in the middle
> of the night).  There is nothing in the logs, and the temperatures have
> all been stable.  I'm not getting any "kernel crash" records.  How can I
> find out whats shutting the system down?
> Its always possible that its hardware I suppose... but it always works
> perfectly when I'm using it.
> wcn

Check to make sure you're not getting a bad battery charge level
signal. I was having a similar problem with my desktop computer with a
USB based UPS. It had a bad battery for a while and when I changed it
out for a good one, the charge levels are all over the place which at
some point during the night would go low enough to cause a shutdown.

Richard