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Thread: PSU broken or not?

  1. #1

    PSU broken or not?

    I just bought a brand new power supply, at the moment this is all i have. I installed it into my case and plugged in the fans and tried to turn it on just to see if it worked, nothing turned on or worked. Does everything have to be connected before the power supply works, or is there somethign wrong? Thaks in advance.

  2. #2
    I am pretty sure that you at least need to have the board plugged in to test a psu.

  3. #3
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    You need to have the ATX connector plugged into the motherboard and the power button connector form the power switch in the front of the case plugged into the motherboard PWR SW header.

    To turn on an ATX power supply without a motherboard use a short piece of wire stripped of insulation on both ends. With the power supply plugged in and switch turned on, insert one end of the wire in the hole for the green wire and the other in any hole for a black ground wire in the 20 or 24 pin ATX molex connector.
    Last edited by rond36; 09-20-2005 at 10:46 PM.
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  4. #4
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    rond, might you want to have the jumper installed before turning on the PSU power switch?? I'd be a little hesitant to be trying to aim the wire into the correct slot while the unit is "hot."
    Lighten up! --- A merry heart does good like a medicine. (Proverbs 17:22)

  5. #5
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    About $10 gets you a PSU tester like thishttp://www.newegg.com/Product/Produc...82E16899888901 from Newegg. You can also get them at a local shop or a good computer superstore.
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  6. #6
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    Very Nice!
    Lighten up! --- A merry heart does good like a medicine. (Proverbs 17:22)

  7. #7
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    It sometimes takes two hands to hold the wire in place and it is only +5V at 2 Amps

    The unit is not hot until the wire is in place!
    Lian Li PC-V2120X Black HPTX Full Tower
    Antec TPQ-1200 OC Power Supply
    ASUS Z9PE-D8 WS Dual LGA 2011 Motherboard
    (2X) Intel Xeon E5-2690 V2
    32GB G.SKILL Trident+ Turbulence II (8 x 4GB) DDR3 2000
    Areca ARC-1880ix-12-4G SAS 6Gb/s w/ 4GB cache RAID Controller Card
    OCZ Talos 960GB 3.5" SAS 6Gb/s SSD
    (4X) Seagate Cheetah 15k.7 600GB SAS HDDs
    Pioneer BDR-205BKS Blu-Ray DVD Burner
    (2X) MSI R9 290X LIGHTNING 4GB GDDR5 Video Cards
    (3X) Dell U3011 30" LCD monitors
    Win 7 Ultimate X64

  8. #8
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    Just checking Rond... I have a 5 SCSI disk storage tower that I needed to power separately. I used a standard power supply and jumpered it permanently so I turn it on and off using the PSU rear switch...works well...

    I realize we're talking low voltage here...I guess I was just curious why you'd elect to jumper it hot rather than cold...
    Lighten up! --- A merry heart does good like a medicine. (Proverbs 17:22)

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