Fans on while sleeping?


  1. skylinepigeon
    Posts : 48
    Windows 7
       New #1

    Fans on while sleeping?


    Hi, I just built a computer with a mini P180 case, which has fans with molex connectors. I have the fans plugged straight into the power supply. When I put the computer into sleep mode, the fans still spin. Is there any way to get the fans to go to sleep too?
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  3. zigzag3143
    Posts : 28,845
    Win 8 Release candidate 8400
       New #2

    skylinepigeon said:
    Hi, I just built a computer with a mini P180 case, which has fans with molex connectors. I have the fans plugged straight into the power supply. When I put the computer into sleep mode, the fans still spin. Is there any way to get the fans to go to sleep too?
    Hi and welcome

    Not if they are plugged directly into the PSU. That has to stay on and if the fans are plugged there so do they. Is there any where else that you can plug them?



    Ken J+
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  4. skylinepigeon
    Posts : 48
    Windows 7
    Thread Starter
       New #3

    Hmmm... thats odd though, because I have a fan power port thingy in my other computer with a molex input from the PS with 4 pin outputs, but the fans still turn off when in sleep....

    Uhh, I don't think so ....
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  6. seekermeister
    Posts : 6,618
    W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
       New #4

    No. The alternative is to shutdown, rather than sleep...unless you want to do some serious modding.
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  7. rbmorse
    Posts : 90
    Ubuntu Lunix and Windows 7
       New #5

    It may depend on the power supply. I have three machines running Windows 7 here, all are built into Antec P18x cases, all have case fans that plug into a Molex directly from the PSU and all of the fans shut down when the computer goes into sleep mode (s3).

    The power supplies here are a Corsair TX 750, a PC Power and Cooling Silencer 510 SLI and an Antec Tru-Power 380.

    Check your BIOS settings and make sure that sleep mode "S3" is enabled.
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