Monitor Always Going To Sleep

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Boone Southern

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Jun 30, 2024, 10:19:05 AM6/30/24
to constriculin

Sleep mode is a power saving state that stops all actions on the computer. Any open documents and applications are moved to the system memory (RAM) and the computer goes to a low-power state. This is similar to pausing a movie DVD. The computer is still powered on, but uses less power. Devices such as monitors also use sleep or standby mode to reduce power consumption.

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This could be caused by a connectivity fault, system file glitch, power plan setting, outdated driver, and so on. How to stop monitor from going to sleep in Windows 10? You can fix this issue with the following troubleshooting tips.

Firstly go to check if there is a connection issue between your monitor and computer. If the connecting cable is loose or damaged, your monitor goes to sleep when plugged in. Just go to power off the system, and then check the video cable & ports. Besides, unplug any external devices to your computer since they may conflict with the machine.

If you have tried these ways above but your monitor keeps going to sleep mode, you can try to set System unattended sleep timeout to a longer time. By default, it is invisible and you need to let it visible via changing Windows Registry.

I've connected a second display using HMDI with a Belkin adapter. I've set the Energy settings to NEVER for my monitor(s) to go to sleep. Still - the second monitor is going to sleep and it forces my iMac to sleep as well.

I never had this issue before but then I got a new video card and two new monitors. The monitors are identical but one is connected via hdmi and the other via display port. The hdmi monitor goes to sleep and the display port one doesn't, it just keeps displaying the Ubuntu screen for logging in. This causes windows from one monitor to move to the other if I log in before turning the other one back on.

Hi I recently purchased an Intel Arc A770 and have been enjoying the experience so far, however there is one issue that bugs me and actually affects my workflow. When my monitors go to sleep the graphics card is unable to wake up my monitor connected via HDMI, the power light on the monitor will switch from 'standby' to 'active' while my other two monitors flash as the windows are re-arranged. Along with this the Intel Arc Control panel will pop up with notifications that something has changed and it will do this ad nauseum until I hold down the power button on the HDMI connected monitor to power it off and then power it back on, only then will things start working.

Thank you for the troubleshooting steps but I'm still experiencing the issues after following your instructions. I looked for a driver listing on the download page but it seems the earlier drivers are no longer present, so these are the drivers I know of plus whichever one was available around 12/8:

I have the same symptoms as you. Please provide a bug patch from Intel as soon as possible. Windows sleep mode does not apply to intel Arc graphiccard and cannot be released from sleep mode with any keys, so I am restarting Windows by forcefully shutting down.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

My profile works perfectly logged in, i have my screen to power into sleep after 10mins. After my screen goes to sleep about 5mins after that the lighting scheme goes to default. If i move the move screen wakes and lighting is restored.

Right, what I am asking is if you are actually in the default profile before the monitor switches off. There really isn't a "make this profile my current active" kind of thing. You can select it for editing, it will stay active, but as soon as you click elsewhere and change the focus, it will revert back to the top.

In practical terms, you need to drag something to the top if you need to stay on it or set-up linked profiles to specific programs. The later can be jarring at times if you change focus a lot between multiple applications, so there are some choices to be made. I can't explain how Windows determines focus, but it seems when the monitor is off, the resume qualifies as a focus change event.

OK, that should not happen. There is a 'hardware lighting tab' within the C-Pro and LNP device panels. That is your active lighting when iCUE is not running. That likely defaults to Spiral Rainbow, but it should not be happening at all unless iCUE is losing contact somehow. You could do a test by changing one fan (or whatever) to something else - solid green, whatever.

Arch puts my monitor to 'sleep', or 'blanks' or suspends by default, in 20 minutes or so. It ihappens even without X installed. Where or how do I tweak it to never go to sleep?
I have tried
xset s off
as well as disabling DPMS in xorg.
Couldn't find anything in the wiki pertaining to this exactly.

Take a look in the system BIOS menu and see if it has any special power saving settings. Perhaps something weird is going on with that. Also, you could try setting the delay to some huge number (999) in xorg.conf. I'm not sure of the proper names for the settings but you can look at the man page.

Hmmm...Even from a base install with just command line, on every machine I install Arch on, the monitor goes to sleep, or to a black screen after 15 or 20 minutes...pressing a key wakes it right back up again, but I want to disable this completely.
Any other thoughts?

In my case the situation is exactly the opposite: I would like the monitor to go off after 15 minutes of idleing, but I don;t know how to do this. Xscreensaver is set to go on after 10 minutes, but the monitor never goes on standby.

To control Energy Star (DPMS) features:
-dpms Energy Star features off
+dpms Energy Star features on
dpms [standby [suspend [off]]]
force standby
force suspend
force off
force on
(also implicitly enables DPMS features)
a timeout value of zero disables the mode

I've got the same problem, I turn my screensaver off (killall gnome-screensaver) and disable dpms (xset -dpms) and still my screen goes blank... Really annoying when you're trying to watch a movie from your bed or sofa...
I'm now running a java app which uses the Robot class to move my mouse a pixel every ten minutes as a workaround, but a real solution would be nice.

This is what's great about good forums. You ask a question... doesn't get the problem solved... find the solution on your own... AND post the answer in your own thread.
Good work Misfit138! This has been an anoying issue for me as well. Looking forward to getting rid of it.

My 27" FT45 monitor (LF27T450FQNXGO) goes into sleep mode and wakes up when it's supposed to. But while in sleep mode it will repeatedly turn on for a few seconds and back off. Continuously and regularly maybe every 10 seconds. What's on the screen is just what it was when it went to sleep; nothing changes there.

I had this same issue with my samsung LC32JG50QQUXEN. It started after a bunch of electrical work had been done on the house and I blamed it on that. Read this thread and found the post talking about surge protectors being the issue sometimes.

My PC and monitor are plugged into a strip plug which is plugged into a UPS - so sort of like a surge protector. I moved both onto a different extension cord that wasn't plugged into the UPS. But first I did a power drain on both - unplugged them and held in their power buttons for a few seconds.

I tried just unplugging the monitor's power supply for a bit before I did the above and that didn't fix the issue, so it defos had something to do with the UPS.

Hope this works for someone else too.

I was told to adjust the computer power and sleep settings. This is a desktop and it's not hibernating or turning off (Win10). All the monitors I've used (two at a time) go blank when they don't receive a new signal for a few minutes, including this one. And it does go off like every other monitor.

The problem is that it will regularly turn back on for a few seconds with nothing happening with the computer. When this happens, the screen is uniformly dull white (gray), i.e., nothing displayed, just lit up. I first noticed this in the middle of the night when I noticed a light from my office hours after leaving the computer.

There have been two different monitors used in my dual monitor setup alongside this Samsung monitor and neither has shown this behavior despite receiving the same signal from the computer. I've had several other monitors on the same computer. Unless there is an OS setting specific to this model Samsung monitor (and not other Samsung monitors I've used), it's not the OS causing this. And the gray isn't coming from the computer.

I've tried the monitor settings for Off Timer and Eco Timer. But those turn the monitor off. The issue is it's turning back on with no input from the computer. I haven't ever seen this behavior with any other monitor, including the other monitors that have been in use at the same time as this one.

So there's some interaction between the monitor and the OS that's causing this to happen -- with this monitor and no other -- even when they're both connected to the same computer. I'll fidget with the settings again to see if I can find something but if anyone has some idea why this is happening with this monitor only (and apparently no one else's monitor of the same model) I'd appreciate it.

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