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  • Just looks like an unexpected crash and automatic restart. Those nulls in the log files are just noise; they aren't going to tell you anything.
    – Joe
    Commented Feb 20, 2018 at 19:40
  • Is there another way to get more accurate information about the crash that caused the reboot? Commented Feb 20, 2018 at 21:15
  • Depending on the type of crash there's no opportunity for the OS to write anything down though it might have dumped it to the console screen (which would only be available before the system restarted). Could it have been a temperature-related crash/restart?
    – Joe
    Commented Feb 20, 2018 at 21:19
  • Well i haven't faced any temperature problems on this PC yet even though some times i ask it to run some rather demanding tasks. CPU temp is always between 33 and 40 Celcius while GPU between 35 and 48 Celcius (idle). As for today PC was totally idle since i woke it up as i was away for about 20 minutes. When i returned i saw that it had rebooted by it self. Commented Feb 20, 2018 at 21:32
  • In your case, I would check my BIOS logs (if any), possible electricity network outage Commented Feb 20, 2018 at 23:36