Date time of crash

AC on/off

uptime minutes

uptime w/o AC

location

additional remarks

Jan 18 21:51

off

134

134

restaurant

while watching a YouTube video, device quite on table; C720 completely off, reboot by power-button; system cold

Jan 24 20:07

off

840

30

restaurant

went to the location w/ C720 running in my bag, down after some time quite on table; completely off, reboot by power-button; system cold

Jan 26 07:00

off

51

20

office

went to my office w/ C720 running in my bag, found it down in the bag on arrival; completely off, reboot by power-button; system cold

Feb 01 06:42

on

20sec

-

home

AC was attached to C720, pluged in cord to outlet, opened lid and went away for a minute; when I came back, display dark; I powered it on again with button; in /var/log/message no lines about the boot before, i.e. did not came up at all; max. 20 seconds; C720 cold (4 hours unused)

Mar 12 22:27

off

130

130

restaurant

C720 sitting quite and unused on the table, when I returned to it, I found it off, all LED off (even UMTS danlgle) and cold