Question about Biostar NF325-A7 Motherboard

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The motherboard comes on when the power suppy is switched on. even with no ram or hard disk it turns on and gives no beeps.

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  • linstromm Apr 22, 2010

    ive tried two diffrent power supplies.



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This issue is a possible mother board going bad or a power supply switch that is "open and needs replacement. I tend to go towards the latter. Replace the power supply.

Posted on Apr 22, 2010

  • Harleen Nash Apr 23, 2010

    the power switch may be defective (open).

  • Steve Jul 08, 2011

    Check your BIOS. It may be set to "boot when AC power is on". Most new mobos can be set to either "stay off " or "stay on"



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When powering the laptop, it has power for about 4 seconds and then turns off. The screen doesn't come on or doesn't even start the booting process. What would cause this to happen?

Hi there,

Are you using battery power or is it connected to your power outlet (AC = alternating current)?

If you're on battery make sure that the there is enough charge for the battery to turn on your computer, you can also try to remove the battery and plug it directly to AC, otherwise your laptop may have a bad hardware (mobo, RAM, Videocard, etc) does it give you any beeping sound when you turn it on?

(If you feel confident enough)
You can try to remove the RAM, Hard disk drive, wireless card on the back of your laptop then try turning the computer on and check if it will give you any beeping noise. Now put the parts you have removed back to the computer one by one while turning on the computer before putting the next one in. (Example: put the RAM in turn the computer on, turn it off again then put the Hard disk drive in and so goes the other parts)

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If there is no beep, even after removing RAM means you have faulty Motherboard and/or faulty Processor.

Try to reconnect CUP also clean the CPU socket on board and try to test without RAM, if you got long beep (RAM missing) then proceed further i.e. add RAM, HDD, CD/DVD etc step by step.

If didn't get any beep try to test with other motherboard/CPU to find which one is faluty.

Please post your feedback.

Thanks and Good Luck

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Pc hangs up oftenly or show blank screen

Set your C Drive as Master and other all Drives as Slave

I Think this will slove your problem

Try IT

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