Windows 10: when sleep mode is used video monitor gets stuck on power saving mode and hardware keeps...

When sleep mode is employed hardware remains active and video monitor gets stuck on power saving mode. As sleep mode causes the issue frequently I decided to enable the hibernate button as a workaround but even with hibernate occasionally the issue occurs. Reliability history shows this : The previous system shutdown at 7:45:39 PM on 11/4/2022 was unexpected. .... and this on a previous time : 11\4\2022 07:09 pm Description A problem with your hardware caused Windows to stop working correctly. Problem signature Problem Event Name: LiveKernelEvent Code: 1a8 Parameter 1: 1 Parameter 2: 0

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Why does my monitor keep erroneously exiting power save mode?

The internet is absolutely rife with people complaining that their monitors keep erroneously entering power save mode or that their monitors are stuck in power save mode, but if Google is any indication, I'm the first person on Earth to run into a monitor erroneously exiting power save mode.

Whenever my monitor goes into power save mode, for some reason, after a short, unpredictable period of time -- sometimes it's a few seconds, sometimes it's 20 minutes -- it just turns back on for no reason. It's not because I touched my keyboard, it's not because I touched my mouse, it's not because I'm really, really fat and just happened to make my desk shake enough to move the mouse while walking by like the T-Rex in Jurassic Park... it just does it on its own, and it doesn't make a lick of sense.

• I've tried another monitor and it did the same thing, so it's not the monitor
  
• I've tried connecting the monitor via HDMI instead of DVI and it did the same thing, so it's not the connection
  
• I've tried terminating all processes in Task Manager except those under the "Windows processes" header and it did the same thing, so it's not a misbehaving program
  
• I've tried disabling "Allow this device to wake the computer" for all devices in Device Manager and it did the same thing, but I believe this setting only affects sleep mode
  
• I've tried powercfg -waketimers, but there aren't any wake timers on this PC, and again, I believe that's only relevant to sleep mode
  

This is a problem I've had for as long as I can remember, but have never been able to solve. The obvious workaround, of course, is to just turn the monitor off by hand, but I've been getting into home automation recently and now need to find a proper solution. Any suggestions?

 

monitor stuck in power save mode

I am using a VAIO laptop. My Dell external monitor, which has worked fine for years, is stuck in Power Save Mode following a November Win10 update. I've switched to HDMI from VGA and back to no avail.

I did a System Restore to weeks earlier, and the monitor started to work. However, as soon as Windows saw that I "needed" an update, I was back to the same problem.

A simple fix, if it can be done, would be to change Windows or the St2010 monitor so that the monitor never considers going into Power Save mode. I don't know how to do this. Or, do you have another idea?

 

Screen keeps going into power saving mode.

Isn't there a setting somewhere... either Nvidia Control Panel or the BIOS to "set" which graphics source you are using.
The OP's problem is that his monitor keeps going into power saving mode.
He says he has "nothing" set to sleep. He's tried a 2nd monitor as well.. same result.

He has an i3-2100 (HD 2000) and an Nvidia Geforce GT 210 vid card.