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Thread: Asrock B85M Pro4 USB keep light ON !!!




  1. #1
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    Default Asrock B85M Pro4 USB keep light ON !!!

    Hi. I have read through whatever information available on web but it is not helpful to my condition.

    I have a USB wireless adapter, speaker and USB hub connecting to my PC. Once I switched on my PSU, these USB devices automatically light on. In addition, they still light on after I shut down my PC. I have uninstalled App Charger but it doesn't help. What should I do to disable this function? The light is annoying at light! I do not need this function to charge my mobile devices.

    Thank you.

  2. #2
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    Default Re: Asrock B85M Pro4 USB keep light ON !!!

    I would try these in the order listed as I'm not aware of your specific needs/wants there. Deep Sleep is the one that may possibly interfere with your system/software/peripherals the most.


    BIOS > Advanced > Chipset Configuration - Change "On/Off Play" to Disabled

    If that fails to mute the lighting, then try

    BIOS > Advanced > Chipset Configuration - Change "Deep Sleep" to Enabled


    Source: Question (Q&A-90|302): After I shut down the system, my USB keyboard and mouse are still light on. How could I turn them off?(12/1/2011)
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
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    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
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  3. #3
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: Asrock B85M Pro4 USB keep light ON !!!

    You may be stuck with the LEDs being on. The board has power from the PSU after a Windows shutdown, which is supplied to USB ports for certain purposes, related to the following.

    Besides what wardog suggested (all good), in the BIOS, probably ACPI, find the options, USB Keyboard/Remote Power On and USB Mouse Power On, disable those, it might help.

    If your board has the Good Night LED option in the BIOS, setting that to Enabled (double check this) is meant to turn off LEDs so lights won't bother you.



    wardog, can't PM you as of 2/13, 10:30AM CST.

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