mobo will not power off - just restart
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Thread: mobo will not power off - just restart

  1. August 27th, 2004, 12:04 PM #1
    jakkwb
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    mobo will not power off - just restart

    Morning,

    I have a home built system that will not power off. When you hit the power switch, it shuts down then immediately powers back up. If you hold the switch in, it does the same thing. The power supply that is in it checks out. It has a power switch on it.

    Here is what I have tried:

    Replacing power supply (with and without integrated power switch)
    Replacing power switch
    Replacing motherboard

    All of the above does the same thing.

    There are no BIOS settings as far as I can tell about this problem. The only way to shut it down is to kill the power supply.

    Any ideas?

    A
    "It is very dark here. You are likely to be eaten by a grue."
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  2. August 27th, 2004, 03:45 PM #2
    NooNoo
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    what mobo?
    Never, ever approach a computer saying or even thinking "I will just do this quickly."
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  3. August 27th, 2004, 04:45 PM #3
    jakkwb
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    Looks like the IN530. It has a cyrix cpu, SIS 530 chipset.

    I can provide more info if needed.

    Thanks,

    A
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  4. August 29th, 2004, 02:36 PM #4
    Terrence
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    Is the computer on a home network??? Or do you have anything hooked up to the nic card? if so wake on lan might be enabled in the BIOS, which will cause the computer to boot up when any information is detected going to/from the nic card. Check your bios to see if this is disabled.
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  5. August 29th, 2004, 04:55 PM #5
    NooNoo
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    suggest a bios update followed by a repair install.

    Check page 28 of this manual for the case connector headers. You may have the reset and power switches interchanged.
    Last edited by NooNoo; August 29th, 2004 at 05:02 PM.
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  6. September 1st, 2004, 10:27 PM #6
    jakkwb
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    OK, I performed the BIOS update to the latest one available. It still does it. This board does not have any LAN connector on it, so I don't think it could be a LAN BIOS setting.

    ANy other suggestions?

    A
    "It is very dark here. You are likely to be eaten by a grue."
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  7. September 5th, 2004, 05:38 PM #7
    Iain Williams
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    Quote Originally Posted by jakkwb
    OK, I performed the BIOS update to the latest one available. It still does it. This board does not have any LAN connector on it, so I don't think it could be a LAN BIOS setting.

    ANy other suggestions?

    A
    Sounds like the reset and power up switches are reversed. Or maybe just a faulty switch.

    Is there a wake up switch on the keyboard? Maybe stuck?
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