Shutdowned computer boots up during night


  1. Posts : 2
    Windows 10 Professional 64 bit
       #1

    Shutdowned computer boots up during night


    Hello,
    my computer even when shut down boots up during night. Any help to prevent it?
      My Computer


  2. Posts : 6,741
    W7 Pro x64 SP1 | W10 Pro IP x64 | W8.1 Pro x64 VM | Linux Mint VM
       #2

    Turn the power switch off on the power supply or at the wall.

    Are you sure the PC is shutdown and not sleeping or hibernating? Considering the power switch needs to physically make contact to power up that sounds strange.
      My Computer


  3. Posts : 10,485
    W7 Pro SP1 64bit
       #3

    Check BIOS power settings:
    HP Support document - HP Support Center

    Your BIOS screens might not look like those shown in that article.
      My Computer


  4. Posts : 282
    Microsoft Windows 7 Ultimate 64-bits 7601 Multiprocessor Free Service Pack 1
       #4

    What about a wake up call by mousegesture or scanner, whatever?
    Look also in the bios.
      My Computer


  5. Posts : 2
    Windows 10 Professional 64 bit
    Thread Starter
       #5

    Thank you for pointing to the right direction.
    In BIOS, I found the "S5 Maximum Power saving", turned it "Disabled",
    and now my computer should always require pushing the power-button to
    start it -no wake-ups any more from any source.
    Thank you.
      My Computer


  6. Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       #6

    A faulty switch or connector on the computer case/tower can cause this problem.
    All the switch does is for a split second short the motherboard to ground at that connector/circuit.
    It doesn't take much. A little crud or corrosion can cause problems.
      My Computer


 

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