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Thread: Flickering and dim LED fan???

  1. #1
    Anodized
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    Default Flickering and dim LED fan???

    I have just put a new case together and its running 2 12cm LED fans and 1 14cm fan 1 12cm normal fan all running together and one of the LED fans is dimmer and flickering, can anyone tell me if this is because voltage and what to do?



    Cheers Tom

  2. #2
    . Spawn-Inc's Avatar
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    Default Re: Flickering and dim LED fan???

    i don't seen why only 1 fan would do it if its a voltage/amperage problem. the wiring might be broken or on its way. one of the wires for my CCFL's is on its way and it will sometimes be dim when i turn it on. test it on another computer psu or completely take all the load off the current psu and run just the fan. jump the green wire on the 20/24pin connector to a black wire or to the ground (same thing).
    CPU: Q6600 G0 3.5GHz@1.4v (4.2GHz max) / 4790k 4.8ghz @1.265v
    GPU: 9800GTX /GTX780 hydrocopper
    Ram: Samsung 4GB /gskill 16gb DDR3 1600
    Mobo: EVGA-NF68-A1 680i (P32) /AsRock Extreme6
    PSU: Enermax Galaxy 850Watt /EVGA 850 G2
    HDD: OCZ 120GB Vertex4, Samsung evo 840 250GB
    LCD: Samsung 32" LN32A450, Samsung 226BW 22" wide
    Sound: Logtiech Z 5500
    CPU & GPU: 3x Swiftech MCR320, 2x MCP655, MCW60 R2, Dtek Fuzion V2, 18 high speed yates @ 5v

  3. #3
    Administrator OvRiDe's Avatar
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    Default Re: Flickering and dim LED fan???

    Is the fan plugged into a motherboard header or is it plugged directly into the power supply?

    Are you running some sort of "Cool and Quit" style of technology?

    When I run Speedfan that will automatically control fan speed based on temperature, My LED case fan will be dim until it kicks the speed up to full.

    Just a few things to check, hope this helps.

  4. #4
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    Default Re: Flickering and dim LED fan???

    Its currently plugged into the MB on Case Fan 1 slot. Ill give it a go connected to a molex I think.

  5. #5
    . Spawn-Inc's Avatar
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    Default Re: Flickering and dim LED fan???

    now that i know it's been connected to the motherboard it is most likely temperature controlled by the motherboard and there for being fed lower voltages and not enough to fully power the led's. moving it to the psu directly will most likely fix the problem.
    CPU: Q6600 G0 3.5GHz@1.4v (4.2GHz max) / 4790k 4.8ghz @1.265v
    GPU: 9800GTX /GTX780 hydrocopper
    Ram: Samsung 4GB /gskill 16gb DDR3 1600
    Mobo: EVGA-NF68-A1 680i (P32) /AsRock Extreme6
    PSU: Enermax Galaxy 850Watt /EVGA 850 G2
    HDD: OCZ 120GB Vertex4, Samsung evo 840 250GB
    LCD: Samsung 32" LN32A450, Samsung 226BW 22" wide
    Sound: Logtiech Z 5500
    CPU & GPU: 3x Swiftech MCR320, 2x MCP655, MCW60 R2, Dtek Fuzion V2, 18 high speed yates @ 5v

  6. #6
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    Default Re: Flickering and dim LED fan???

    I have connected it to PSU now and it seems to have fixed the LED problem but the fan is spinning a bit slower now though but its fine.



    Thanks everyone



    Tom

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