Windows 10: Monitor not turning on after sleep

Discus and support Monitor not turning on after sleep in Windows 10 Performance & Maintenance to solve the problem; Hey, I just put my windows 10 pc on sleep and when I came back the monitor won't turn on. I already tried unplugging the power cable and replugging.... Discussion in 'Windows 10 Performance & Maintenance' started by LucQD, Mar 28, 2021.

  1. LUCQD
    LucQD Win User

    Monitor not turning on after sleep


    Hey,

    I just put my windows 10 pc on sleep and when I came back the monitor won't turn on. I already tried unplugging the power cable and replugging. Not working. I also cannot shut down my pc. I use a LG monitor. What can I do?

    Thanks,

    Luc

    :)
     
    LucQD, Mar 28, 2021
    #1
  2. SANDYW360
    SandyW360 Win User

    Windows 10 Sleep/Lock Problem

    This advice did not work for me.

    Some one wrote this.... just upgraded to Windows 10 and my monitor will not come back from Sleep or Lock Mode without turning off the computer and rebooting.

    I am and I am having the same problem with not coming back from sleep mode. If I press the on off button the monitor will come back on
    but everything is locked up and then I have to turn it off on the tower. And then turn it back on. What I have found to work is turning the power options to never turn off or sleep and then just turn off the
    monitor during the day and then just shut it off at night.
     
    SandyW360, Mar 28, 2021
    #2
  3. CARLEDMAN
    CarlEdman Win User
    Monitor Sleep Repositions Icons and Windows

    Thank you for your suggestions.

    I have tried turning off align to grid and rebooting in safe and clean modes. None makes any difference. In fact, rebooting does not reset the icons (which is good). But turning the monitor off and on, or allowing it to go to sleep mode does.

    The only workaround I have is to disable monitor sleep completely and leave a 43" monitor running all day and night.
     
    CarlEdman, Mar 28, 2021
    #3
  4. JOE J SD
    Joe J SD Win User

    Monitor not turning on after sleep

    Continuous Device Connect/Disonnect Sound when HP W2207 Monitor Sleeps

    Hope someone can help.

    HP Pavilion p7-1287c Desktop PC with HP W2207 monitor, running Windows 10. DVI cable from monitor to PC.

    Here's what's happening:

    • If signed out of windows the monitor sleeps without issue.
    • If signed on to windows the monitor sleeps and the computer loops the device connect/disconnect sound.
    • If using VGA cable no issues with monitor sleeping but computer won't sleep.
    • Have disconnected all USB devices except wireless mouse/keyboard combo.
    • Have tested with wired USB mouse and keyboard same issue.
    • Have ensured all drivers are updated to the latest versions.
    • Have tried playing with the Advanced Power Option settings for USB and no change in behavior.
    • Have tried requiring a password on wakeup and still no change.
    • Would like to keep the DVI cable vs going back to VGA.
    Please don't suggest turning off the sound for connecting/disconnecting devices.

    Thanks.

    Joe J
     
    Joe J SD, Mar 28, 2021
    #4
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Monitor not turning on after sleep

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