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I have a PC with main board Asus M3N78 PRO and an integrated NVidia graphic board. This PC has a big problem: it randomly (I think in average 1 crash/hour) fall in total freeze.

There is no other hardware devices plugged in.

  1. This is not a kernel problem, I've tried with several kernel version (from 2.6.32 to 3.0) and Ubuntu version but the problem is always the same.
  2. When the PC crash there is no way to unfreeze: no SSH access, no keyboard shortcuts, nothing. The only possibility is to hard-reboot the system.
  3. When the PC crash the screen become monochromatic.
  4. Maybe the 3d acceleration worsen the situation. (I'm not totally sure of this)

    I hope for a solution. Thank you.

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closed as off topic by Marco Ceppi Feb 2 '12 at 3:42

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here. If this question can be reworded to fit the rules in the help center, please edit the question.

How do you know the problem come from your motherboard ? It may be a power or heat related problem. –  Nyamiou The Galeanthrope Sep 11 '11 at 21:15
I don't know if the problem is related to the motherboard... but this is the only relevant hardware information that I can provide. :( How can I check if is a power or heat related problem? –  Davide Aversa Sep 11 '11 at 21:50
You can use lm-sensors for that : help.ubuntu.com/community/SensorInstallHowto –  Nyamiou The Galeanthrope Oct 18 '11 at 3:32
This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro Feb 2 '12 at 1:27

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