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[ale] PC shut off



Hello Paul,

Tuesday, June 29, 2010, 6:08:11 AM, you wrote:

> I'm still trying to figure out what happened. It doesn't look like there was a
> power outage ( no blinking alarm clocks ). My wife got up at 4am, and the
> computer was not on. My log shows nothing in the APC_events file, except the
> computer starting back up.
> syslog.0 shows:

> Jun 28 22:20:50 paulandcilla last message repeated 8 times
> Jun 29 04:07:41 paulandcilla syslogd 1.5.0#5: restart.
> Jun 29 04:07:41 paulandcilla kernel: klogd 1.5.0#5, log source = /proc/kmsg
> started.

> that 22:20 message is an email host mismatch error.. so it was receiving
> email, then... my wife hits the POWER switch at 4:07, to turn it back on. I
> have an APC UPS attached, that will shut it down in case of power outage,
> then UPS is on, and I'm not sure why the PC was off....

It also may have overheated due to failing fan, dust accumulation clogging ventilation or cpu cooling block, or dust/bug shorted something (the least likely but at least likely).  

Cheers,
Robert~