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Thread: Possible PSU Problem ??

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    Beard hat ftw! steve threlfall's Avatar
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    Unhappy Possible PSU Problem ??

    Ok im stuck. I have built my rig into my new cm case. Transfered accross my paltry 300w psu and booted.. yet nothing, nothing at all. My NF7's red led comes on so the board is getting power but when i press the power switch nothing

    Im completely stumped. EVERYTHING was wroking fine earlier in my old superflowercase including my new rad 9600xt. But now everything is in the new case the system wont boot- theres no drive activity or 3 seconds on before powering down or anything. Its just likes its dead!

    anyone got any ideas?

    Cheers

    Ste

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    HEXUS webmaster Steve's Avatar
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    OK, try unplugging everything but the motherboard - does it try to boot now?

    Try taking the PSU out, shorting the green wire on the PSU ATX connector with any of the black wires (this is how soft-power-on works) - does the PSU fire up?

    You've got to work out if it's the PSU, motherboard or another device causing this issue.
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    Had the exact same thing with THREE NF7-S boards. Thank god PC world does a straight, immediate swap on returns. Ended up going to the board in my sig.. Apparently there were some NF7-S boards shipped with a bad BIOS chip (havnt been able to confirm this though).
    Make sure the reset CMOS jumper is on the correct pins.


    Flymo
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    Beard hat ftw! steve threlfall's Avatar
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    Originally posted by Flymo
    Had the exact same thing with THREE NF7-S boards. Thank god PC world does a straight, immediate swap on returns. Ended up going to the board in my sig.. Apparently there were some NF7-S boards shipped with a bad BIOS chip (havnt been able to confirm this though).
    Make sure the reset CMOS jumper is on the correct pins.


    Flymo
    thanks for the quick replies guys much appreciated

    Everything worked perfectly until i transfered into the new case

    Will try reseting CMOS jumper

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    Beard hat ftw! steve threlfall's Avatar
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      • Motherboard:
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      • CPU:
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      • Memory:
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      • Graphics card(s):
      • Radeon HD6870
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      • Corsair HX750
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      • Antec P280
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    Originally posted by unts
    OK, try unplugging everything but the motherboard - does it try to boot now?

    Try taking the PSU out, shorting the green wire on the PSU ATX connector with any of the black wires (this is how soft-power-on works) - does the PSU fire up?

    You've got to work out if it's the PSU, motherboard or another device causing this issue.
    I thought maybe the psu had died but then it seems unlikely as it was working fine before i changed cases

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    mebbe u had a problem with something grounding.
    Did it work outside the case?
    If so check the MOBO riser studs - maybe your last one had a stud where the new one has no hole

    Make sure all the studs line up with holes on the Mobo.


    Flymo
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  7. #7
    Beard hat ftw! steve threlfall's Avatar
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    Originally posted by Flymo
    mebbe u had a problem with something grounding.
    Did it work outside the case?
    If so check the MOBO riser studs - maybe your last one had a stud where the new one has no hole

    Make sure all the studs line up with holes on the Mobo.


    Flymo
    oh *00k

    what a n00b this sounds like a definite possibility. Will try this out now mate cheers. If one of the mnay unused studs has touched the board then its borked im a fricking idiot

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    Hope it helps.

    I Borked a mobo in the same way (looooong time ago).

    Couldnt be bothered waiting weeks for an RMA, so I went to PC world and bought the same mobo.
    Then returned my faulty one to them and got an immediate refund (hated myself for doing it tho - I felt guilty as all hell for a few weeks every time I drove past it)

    Flymo
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  9. #9
    Beard hat ftw! steve threlfall's Avatar
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    Originally posted by Flymo
    Hope it helps.

    I Borked a mobo in the same way (looooong time ago).

    Couldnt be bothered waiting weeks for an RMA, so I went to PC world and bought the same mobo.
    Then returned my faulty one to them and got an immediate refund (hated myself for doing it tho - I felt guilty as all hell for a few weeks every time I drove past it)

    Flymo
    If pc world sell nf7-s boards for any less than £250 if at all i'l eat my hat thanks for the tips. If things dont get fixed at the very least you have manged to uncover my shoddy build

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    they just reduced the price to £85.75 (NF7-s Rev 2.0)

    Flymo
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    PC World isn't as bad as you think ... if you head straight to the components sectino and use your own advise (heheh) then there not bad, and you know your getting a decent warrenty!

    You have put the case switches on properly haven't you?

    Try shorting the power pins with the screwdriver as I know Coolermaster use cheap switches which can break easily!

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    cat /dev/null streetster's Avatar
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    could be me not reading the problem.. but have you definately connected up the power switch etc to the motherboard ok? i mean its not hard to get wrong, but there's always the chance

    mark

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    Beard hat ftw! steve threlfall's Avatar
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    All is now fixed

    Thanks to evryone for the advice

    The problem was as flymo correctly identified the risers- i am such a n00b

    Cheers matey

    All is now running smoothly touch wood in my new case. Runing at 11.5 x 200fsb 1.65vcore and the temps are good

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    Glad to be of help

    Flymo
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    good work people

    glad you sorted him

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