Monitor won't stay asleep

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  1. 70runner
    Posts : 14
    win10pro
       New #1

    Monitor won't stay asleep


    Recent convert from win7pro to win10pro (v1909). Sleep settings in win7 were 30min for monitor and never for PC. Worked fine for yrs. Monitor now wakes up spontaneously about 10sec after sleep. Monitor is 32" HDMI via docking station to Dell M6800 laptop. Laptop display when disconnected from dock does same thing. Disconnected wireless mouse/keyboard, no effect. Unchecked wake options on ethernet adapter. Powercfg lastwake shows nothing. Event viewer didn't help. Setting display and PC to sleep at same time worked, but I prefer leaving the PC on and sleeping the display. Most google sleep issues/solutions involve the PC not the display. Suggestions?
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  3. Lance1
    Posts : 869
    Windows 10 Professional x64 21H2
       New #2

    Welcome to TenForums 70runner. There are some good pointers at this link. Some you have tried. Just ignore to adds for downloading Restoro PC Repair Tool and go through the instructions. FIX: Windows 10 won’t put monitor to sleep
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  4. 70runner
    Posts : 14
    win10pro
    Thread Starter
       New #3

    Tried the link suggestions, thx. No go. Display still wakes up a few seconds after sleep initiated.
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  6. AndreTen
    Posts : 30,617
    Windows 10 (Pro and Insider Pro)
       New #4

    Could it be any software that you run? What is in your Start up list?
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  7. 70runner
    Posts : 14
    win10pro
    Thread Starter
       New #5

    Usual intel/windows stuff, plus eset. MS onedrive snuck in there, so I disabled that. Would seem to be something related to win10, because sleep worked perfect in win7 with same startup stuff.
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  8. AndreTen
    Posts : 30,617
    Windows 10 (Pro and Insider Pro)
       New #6

    So, this started right after upgrade to Windows 10? Must be a driver, or incompatibility issue.

    Did you reset power saving options?

    Tutorial | reset-restore-power-plans-default-settings-windows-10
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  9. 70runner
    Posts : 14
    win10pro
    Thread Starter
       New #7

    Yes, occurred right after win10 convert. Display sleep worked fine in win7. I did the power savings reset, no change, but thx for suggestion. Something subtle going on, doesn't show up on powercfg wake checks or power logs.
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  10. AndreTen
    Posts : 30,617
    Windows 10 (Pro and Insider Pro)
       New #8

    Search for your problem shows multiple possibilities. Even HDMI cable problem. But since it worked before upgrade, something else is going on.

    Please try clean boot (disable all non-MS services) and test. tenforums tutorials |perform-clean-boot-windows-10-troubleshoot-software-conflicts

    Also check if any updates for BIOS are available for your laptop. Installing drivers for monitor could also help, but this is long shot
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  12. 70runner
    Posts : 14
    win10pro
    Thread Starter
       New #9

    Clean boot worked, THX! Don't know why I didn't think of that... Took the opportunity to cleanup some services since I was in msconfig anyway.
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  13. AndreTen
    Posts : 30,617
    Windows 10 (Pro and Insider Pro)
       New #10

    70runner said:
    Clean boot worked, THX! Don't know why I didn't think of that... Took the opportunity to cleanup some services since I was in msconfig anyway.
    OK, but now you have to find the problematic service and find a way around it..

    Enable them one by one to find the real problem
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