Screen does not always turn off according to Power & sleep settings

  1. Posts : 3
    Windows 10 x64

    Screen does not always turn off according to Power & sleep settings


    Please advise, I am trying to solve this puzzle.. Basically screen wont always turn off according to the settings set in Power & sleep. Sleep, on the other hand, works.
    Sometimes monitor will turn off correctly after a set time, say if I set a minute or two just to test then it works. But 15 minutes never work. Sometimes if I change additional power settings back and forth it starts to work, but only until next restart.
    I can't find a solution nor cause of this problem. Windows 7 power settings worked correctly.


    Windows 10 is cleanly installed on HDD in UEFI mode and I am using/testing it only for a few days yet. Slow ring updates. No additional USB devices are connected except keyboard and mouse. PC is quite new, Skylake based (i5 6600, Asus Z170M-PLUS, R9 390).


    • Clean boot and Safe mode - same.
    • Updating BIOS - same.
    • Disabling USB selective suspend - same.
    • Booting without mouse - same.
    • Testing for wake armed devices with powercfg and disabling LAN adapter wake - same.
    • Using USB 3 instead of USB 2 to connect mouse & keyboard - nothing.

    "Some" results:

    • Generating powercfg /energy report. Report shows error "USB Suspend:USB Device not Entering Selective Suspend". Windows 7 did not show such error (hardware switch dual boot, easy to compare).
    • Disconnecting and reconnecting mouse while system is on - display turns off correctly after, but only until next restart..
    • Switching Power plans back and forth - again, starts to work, until next restart.
    Last edited by AeroJ; 16 Jul 2016 at 16:06.
      My Computer

  2. Posts : 3
    Windows 10 x64
    Thread Starter

    Any ideas what I should try next?
    I would like to move to W10 (due to DX12 etc.), but a few small quirks like this bug me for some reason
      My Computer

  3. Posts : 3
    Windows 10 x64
    Thread Starter

    Windows 10 update 1607 (Anniversary) fixed this issue! :)
      My Computer


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