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Help, will not power up!

Discussion in 'General Hardware' started by martinlangley, Mar 16, 2013.

  1. martinlangley New Member

    Joined:
    Mar 16, 2013
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    Hi

    Apologies if this is in the wrong box.

    I have just acquired, - at ENORMOUS expense (sic) an OCZ 520 ADJ
    power supply and an ASUS A7S8X-MX motherboard, and have deployed
    them in an old Dell 486 box chassis with a new 20 GB EIDE disk. ($10.00!)

    If I test the power supply with a paperclip on the green lead etc, it comes
    up fine, but if I plug it into the motherboard along with a chassis fan
    then all that happens when I switch on is the green LED comes on and
    I start getting network activity. (Guess its trying to boot from the lan).

    Anybody got any ideas as to why it might not like the board, - Its a
    500 watt+ model so would have thought it would be ok. Am I missing some
    vital signal going back to the power unit to tell it all is well?

    Thanks in advance

    Martin Langley in London
  2. Law-II

    Law-II

    Joined:
    May 9, 2011
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    Hi

    Welcome to TPU

    Q.1 What cpu is installed? AMD model number
    Q.2 What Ram is installed? make and model
    Q.3 Monitor Connected to: onboard vga and or AGP 1.5 compliant vga card? [*if agp vga make and model]
    Q.4 Is monitor screen blank?

    Try: clear CMOS and boot system with minimal hardware: mobo, cpu & cpu cooler, one stick of RAM in DIMM_1 and vga card

    Manual: here

    *may be look here

    also look here

    atb (all the best)

    Law-II

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