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    Automatic Power On - XPS 15 9550

    Discussion in 'Dell XPS and Studio XPS' started by blurblur, Sep 14, 2016.

  1. blurblur

    blurblur Notebook Guru

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    I have a strange problem. My machine seems to turn itself on (from a full shutdown, not sleep) randomly if left on AC overnight. I have disabled all Windows settings to turn the machine on for auto-updates, as well as disabled auto power on in the BIOS.

    Is there any setting I might have overlooked?

    On BIOS 1.2.10 (not using anything newer due to flickering 4K screen).
     
    blurblur, Sep 14, 2016
    #1
  2. GoNz0

    GoNz0 Notebook Virtuoso

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    A couple of things will be the problem, one is in power management under sleep you have wake timers, disable those.
    In the network adapters advanced properties make sure you either untick allow device to wake or tick allow a magic packet to wake .

    Also the BIOS has a WOL option.
     
    GoNz0, Sep 14, 2016
    #2
  3. kent1146

    kent1146 Notebook Prophet

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    By the way... "WOL" means Wake-on-LAN.

    Also, look for a Wake on USB setting that might be on. Also, in the BIOS

    Sent from my SM-G935V using Tapatalk
     
    kent1146, Sep 14, 2016
    #3
  4. YanYang

    YanYang Notebook Enthusiast

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    I had the same issue. It seemed to be resolved by one of these, although I just did all of them since they're not essential to me

    1. disable fast boot in power options
    2. disable hibernation in power options
    3. disable usb power share in BIOS
     
    YanYang, Sep 14, 2016
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  5. blurblur

    blurblur Notebook Guru

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    Thanks. I'll check and try the few options and report back. It happens every couple of days and so it might take a while. Lol.
     
    blurblur, Sep 14, 2016
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  6. GoNz0

    GoNz0 Notebook Virtuoso

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    Probably the wake timer kicking in to check for updates then.
     
    GoNz0, Sep 14, 2016
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  7. blurblur

    blurblur Notebook Guru

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    I tried all the above, and the system still turned itself on this morning. It was warm to touch when I got out of bed. Hmmm...
     
    blurblur, Sep 15, 2016
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  8. blurblur

    blurblur Notebook Guru

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    Finally resolved the automatic power-on problem, by flashing the latest BIOS. I have to live with the 4k screen flicker, but it was better to a system that wakes up by itself and stays warm throughout the day.
     
    blurblur, Sep 22, 2016
    #8
  9. mujjuman

    mujjuman Notebook Deity

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    Thanks for the update
     
    mujjuman, Sep 23, 2016
    #9