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Windows Thread, Randomly shutting down in Technical; Hi there people.. Me again I have noticed computers across the school are randomly just switching them selves off or ...
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    Lesley_tech's Avatar
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    Exclamation Randomly shutting down

    Hi there people.. Me again

    I have noticed computers across the school are randomly just switching them selves off or restarting. i can't find anything in the logs about why they are. it just seems to be attacking certain rooms, not random computers . Please could someone help me =-)

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    superfletch's Avatar
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    You sure it is random (ie - you've actually seen it happening) and not just that kids have been reporting it.

    If you've seen it happening)

    Have you recently put out a new image to most of the machines you believe to be affected?

    If you haven't and it is just a reported problem)

    Is it anything to do with the p[ower management settings (within BIOS not windows) of the PC's themselves?

    Just some ideas to be looking at anyway - don't forget it is Friday the 13th, could you have a techie friend who is playing a practical joke?

    EDIT - This post assumes you've just noticed this!! What FN-Greatermanchester has just added would make more sense if it is an ongoing problem.
    Last edited by superfletch; 14th June 2008 at 12:12 AM.

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    FN-GM's Avatar
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    They are probably overheating. I would check the airflow and possibly put an extra fan on the back of the case.

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    Joedetic's Avatar
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    We have this as a heat issue. Some of them just refuse to play DVDs Other just shut off.

    We've got air con in all the e-learning rooms now (appart from one new one).

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    I immediately thought overheating or psu. I don't know if it is likely but could something like a voltage surge affect the power supplies, some worse than others. If I have a machine that is constantly resetting, the first thing I check is the psu and that normally is the problem.

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    Lesley_tech's Avatar
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    Hi.. Its not just one computer its about 5 all at once

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    Quote Originally Posted by Lesley_tech View Post
    Hi.. Its not just one computer its about 5 all at once
    Which is why I wondered if some external power glitch might have affected the power supplies. Try taking the psu out of a good machine and trying that.

    Try running them without the case, blow desk fan on it.

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    SYNACK's Avatar
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    If it does turn out to be heat based you may want to clean out the heat sinks on the machines, I did a write up (all be it themed) of the methods to clean these out.
    http://www.edugeek.net/forums/blogs/...-epidemic.html

    It could also be an issue with the points or phase that those specific computers are on, you might want to try moving one of the pcs to a different point and seeing if it still affects it.

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    Lesley_tech's Avatar
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    Hi again

    I have found out what it is.

    Remote shutdown . . How does this work

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    Code:
    shutdown -s -m \\machinename
    From the CLI.

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    FN-GM's Avatar
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    or on the command you can do

    Code:
    shutdown -i
    have one of the kids managed to access the command prompt?

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    MS Updates???

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    Lesley_tech's Avatar
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    Hmm

    Hm Will have to look into this .. Thanks guys

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    Hello, my name is JP Freeman and I am an ICT technichan at UCT (University of Cape Town).

    I recently had this same problem with some of my computers, we have been told by some students and teachers, because of this I have decided to investigate this and have found a few students to be using it.

    I have also found students accessing Task Manager, Regedit and the Command Prompt, is there anything I can do to stop them without disabling their accounts? If they got past our Ranger and group policies is there a way to stop them?

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    Hightower's Avatar
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    Why did they get past group policies - I would double check the settings they have because this is a big no no. Either something isn't working right or your GPO's are too relaxed



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