Windows 10: Weird behaviour after sudden power loss.

Discus and support Weird behaviour after sudden power loss. in Windows 10 Ask Insider to solve the problem; Hi! There was a sudden power loss for 1 second and my pc force rebooted. Now when I boot it up there is a horizontal white line running across the top... Discussion in 'Windows 10 Ask Insider' started by /u/Colonel-Death, Apr 24, 2020.

  1. Weird behaviour after sudden power loss.

    Hi! There was a sudden power loss for 1 second and my pc force rebooted. Now when I boot it up there is a horizontal white line running across the top of my monitor for a second each time I boot up the pc and also my headset makes a weird noise when I turn on the pc and a popping noise when I shut the pc down.

    I am considering reinstalling windows, but I would like to ask if any if you has any suggestion for me. Maybe you have had similar issues or know things that I don’t about windows 10 behaviour in situations like this one.

    What I tried: using a system restore point to 2 days earlier. Didn’t help. Also, I googled my problem and some one mention something about windows boot manager getting messed up.

    Thank you for your time!

    submitted by /u/Colonel-Death
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    /u/Colonel-Death, Apr 24, 2020

  2. W10 x64 Sudden Computer Power Off

    Hi there,

    Do you know if you can try another sata port on the motherboard?

    If this is a complete power loss issue then it sounds hardware related and I would approach the troubleshooting in steps, test sata port, cable, hard drive, PSU, motherboard

    If this is windows rebooting I would suggest a full reinstall of Windows first to see if this resolves following by a replacement hard drive as that could have been damaged by the power loss
    Jordan Langford, Apr 24, 2020
  3. Sudden power loss causes updates to install


    Thank you for using Windows 10.

    I would like to inform you that if you schedule the restart later, updates should be installed after the restart, however, if the system gets restarted in between, Some automatic updates will get installed. If you're not forcing the system to restart and
    if you're using a healthy battery, then you can run the Power troubleshooter to adjust your computer's power settings. The Power troubleshooter checks things like your computer's timeout settings, which determine how long the computer
    waits before turning off the monitor display or entering sleep mode. Adjusting these settings can help you conserve power and extend your computer's battery life.
    Here is the steps:

    • Press Windows key and type

    • Select Troubleshooting and click on
      System and Security.

    • Select Power and follow the onscreen instructions.
    Let us know if the issue still persists and we'll be glad to help.
    Navneet Anand, Apr 24, 2020
  4. Jack4_335 Win User

    Weird behaviour after sudden power loss.

    External hard drive ununsual behaviour

    Thank you for getting back so quickly. Unfortunately it displayed the same behaviour any more suggestions would be greatly appreciated.
    Jack4_335, Apr 24, 2020

Weird behaviour after sudden power loss.

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