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The recent large Windows 10 update (~ May 2017) has changed the behavior of my laptop's power management and security.

I use the blank screensaver for a couple minutes, and then just have the monitor turn off a couple minutes after that. Because why bother even powering the monitor when it's just blank anyway.

Previously I could just move the mouse/trackpad/anykey and the monitor would turn on and I could resume working. However the latest Windows 10 update has changed this behavior and now locks the OS whenever the monitor turns off. I'm sure this was implemented for Win10 mobile devices, but it's a big PITA for a laptop or desktop computer. If I want my computer locked, I'll lock it or put it to sleep.

Is there a way to disable this behavior? I've not been able to find any way to change it using standard settings. Something in the registry maybe?

Edit: This is a laptop computer with a touchscreen.

Edit 2 - Clarifications:

  • The computer does NOT enter sleep mode, however it is configured to lock when it does sleep
  • It is NOT a screen saver lock - the screen saver is set NOT to lock, and does not do so
  • The computer is NOT in tablet mode, however Windows seems to use tablet behavior when the monitor is turned off
  • If you are referring to Creators update, it just resets your setting to default. You can configure your screensaver and power management setting back to your usual setting. – Vylix May 30 '17 at 21:36
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    try the solutions mentioned in this question superuser.com/questions/398015/… – xypha Jan 4 '18 at 2:24
  • What in the Device Manager are the Power Management settings of the mouse/trackpad/keyboard, and especially "Allow this device to wake the computer" ? – harrymc Jan 4 '18 at 14:21
  • @harrymc Of all the input devices, the only ones with power management options are: Human Interface Devices -> USB Input Device (of which there are 3), and Airplane Mode Switch. On all of them, "Allow this device to wake the computer" is not checked, and greyed out such that it cannot be modified. Also, to clarify, the computer never goes to sleep, but the monitor turns off to save power. All input devices cause the monitor to turn back on. – ulty4life Jan 4 '18 at 21:18
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    @ITSnuggles: You're welcome to use any information which I solicit from the user. – harrymc Jan 6 '18 at 9:54
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+25

Major Windows upgrades can cause various problems, not all of them can be corrected by anything other than a full reinstallation. Below is my analysis of the problem.

I didn't find anything unusual in your report of powercfg -energy, so in my opinion your computer's settings and drivers seem not to show any visible problem. For this reason I wouldn't recommend updating the BIOS, as mentioned in the comments, as the benefits are unknown but there is always the risk of an unsuccessful BIOS update bricking the computer.

You say that you "use the blank screensaver for a couple minutes, and then just have the monitor turn off a couple minutes after that". As you don't want the computer to sleep or lock, I see no reason for having a screensaver at all. Turning it off might be a first step for isolating the problem.

Another long shot, but which sometimes helps to resolve sleep problems, is to Turn Off and Disable Hybrid Sleep in Windows. This is another step for isolating the problem, although the chances of it helping might be slim.

My last idea is based on your observation that "another user account on this same computer that functions the way I want it to". This might indicate profile corruption, probably caused by the Windows upgrade. This kind of problems are extremely hard to diagnose, and might not be worth the trouble.

The usual solution is to migrate to a new and uncorrupted user profile. Many articles have been written on the subject, for example Fix Windows Issues by Creating a New User Account. If the new account solves the problem, you won’t need to do a Reset, Restore, Refresh or reinstall of Windows.

  • I'll create a new user account and configure it the same way and check it's behavior. That way I'll have a fresh on to use as a baseline to compare behavior against they two that I use. – ulty4life Jan 6 '18 at 22:56
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    A newly created user account behaves as expected. – ulty4life Jan 12 '18 at 4:13
  • When I have some spare time I'll try to do a little more analysis to compare the new account with my current account to see if I can find any differences. I'll look into migrating account profiles, as that may be the only way I can fix this if nothing else comes to light. – ulty4life Jan 15 '18 at 21:29
  • The problem with analyzing user profiles is that not all settings are documented. – harrymc Jan 15 '18 at 22:34
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Windows Key->Settings->type "lock screen" in search bar, click "Screen saver settings". Uncheck "On resume, display logon screen".

If I want my computer locked, I'll lock it or put it to sleep.

Implies your computer is not asleep. However, sleep also has a lock option.

Windows Key->Settings->type "Sign" in the search bar, click "Sign-in options"->Change "Require sign-in" from "When PC wakes up from sleep" to "Never"

I have seen Windows update re-enable sign in requirements.

As Arana points out, in addition, there's a logon setting in the screen saver. Windows Key->Settings->type "Lock" in the search bar, click "Lock screen settings"->Screen Saver settings. This load the screensaver dialog. Ensure "On resume, display logon screen" is unchecked.

This is anecdotal at best, but, I used to have a dell laptop, and for quite a while I could not use the "turn off monitor after..." setting prior to sleep or the monitor would never work (remained black) unless I performed a hard reboot. While I had visited the dell site many times for updates, I finally tried going directly to the video card vendor (AMD if I recall correctly) and I found an update not on the Dell site for the integrated motherboard graphics and after installing, this feature started working again.

  • That checkbox is already unchecked. – ulty4life May 30 '17 at 23:07
  • So check it, ok ok ok. Then uncheck it, ok ok ok – HackSlash Jan 5 '18 at 19:33
  • @HackSlash did that. no effect. – ulty4life Jan 5 '18 at 21:34
  • a long shot here but is you screen saver seting "On Resume Display Logon Screen" Checked? Also Are you using your windows OS with a linked MS Account? , I ask this because your settings may be synching with another device which has the option you mention turned ON. – arana Jan 9 '18 at 23:57
  • @arana - Good point - third place this could be set. – Wyrmwood Jan 10 '18 at 21:04
0

You can set in Sign-in options Require sign-in to Never, and when putting computer to sleep, get it locked first and then go to sleep (Windows key+L, power button(if you set it that way)). Require sign-in - Never isn't quite never, if you manually lock it, it will require sign-in anyway.

That's not a solution, but works like it is (almost). The only thing that's not working in this case is when computer wakes up from sleep, without being locked before it went to sleep, it won't require sign-in on wake up...

-1

Try to run this from command prompt as Administrator:

REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Personalization /f /v NoLockScreen /t REG_DWORD /d 1

This will create a new entry in registry that should disable the Lock Screen in Windows 10.

If you want the lock screen on again, just change the "1" to "0"

I have taken it from here: https://windows.gadgethacks.com/how-to/disable-lock-screen-windows-10-0162965/

Note on Disabling the Windows 10 Login Screen & Password Prompt

On a related note, it is possible to disable the Windows 10 login screen so that you don't have to enter a password after booting your PC, but that subject would warrant a separate tutorial, and it comes with one big downside: If you disable the password prompt and login screen on Windows 10, you'll lose the ability to sync settings and data across all of your Windows devices. Hopefully this process becomes a bit more stable in future builds, and we'll cover it at that time.

(Did not tested this myself)

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