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Windows 7: Monitor Seems To Refresh At A Certain Time, Everyday

21 Mar 2014   #1
Omega1

Windows 7 Ultimate 32 Bit
 
 
Monitor Seems To Refresh At A Certain Time, Everyday

This really isn't a problem, but I'm more wondering why it happens.

Every night, anywhere from 11:10pm and 11:13pm my monitor or computer seems to refresh. I'm thinking it's my monitor because the screen turns black for about 2 - 3 seconds then comes back on. I can leave the computer on all day, but it will only happen between the times I mentioned.

It doesn't do it if I'm doing something, only when the computer is sitting idle.

My system is multi boot (WinXP Pro/Win7 Ultimate/Win8(.1)) and it does it in all 3 operating systems.

All drivers and software is updated and all Windows updates are done.

I'm curious, anyone know why this is happening?


My System SpecsSystem Spec
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21 Mar 2014   #2
Omega1

Windows 7 Ultimate 32 Bit
 
 

Also, I've checked everything I can think of to see if there is something set to run between these times, and can find nothing.
My System SpecsSystem Spec
21 Mar 2014   #3
andrew129260

Windows 10 Pro
 
 

That is strange. I don't have a clue as to why that is happening. If you plug something else into the exact outlet port the monitor is plugged in, does it do it to other devices? Off and on at that time?
My System SpecsSystem Spec
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21 Mar 2014   #4
Ranger4

Windows 7 Home Premium 64 bit sp1
 
 

Just a thought. Do you have Windows set to Automatically Install updates at that time?.
My System SpecsSystem Spec
22 Mar 2014   #5
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Very strange behavior. Will it "refresh" at the same time if you leave the monitor off all day?
My System SpecsSystem Spec
22 Mar 2014   #6
pominator

Windows 7 build 7127 x64
 
 

If it's an external monitor, you may try to do a reset on the osd (with the menu/setup on the monitor itself). You may also try with another monitor (connect an external one if it's a laptop). You may also try another power outlet, maybe the outlet on your surge protector is failing and reset at this time for any reason. You could also boot from ubuntu live cd to see if it does the same to completly exclude software/windows bug.
My System SpecsSystem Spec
22 Mar 2014   #7
bigmck

Windows 7 Home Premium 32-Bit - Build 7600 SP1
 
 

Go into your Control Panel under Power Options and see when your monitor is set to turn off? I have mine set for 20 minutes.
My System SpecsSystem Spec
24 Mar 2014   #8
Omega1

Windows 7 Ultimate 32 Bit
 
 

Quote   Quote: Originally Posted by Ranger4 View Post
Just a thought. Do you have Windows set to Automatically Install updates at that time?.
No, updates are set to automatically download and install every morning at 3:00am.

Quote   Quote: Originally Posted by Britton30 View Post
Very strange behavior. Will it "refresh" at the same time if you leave the monitor off all day?
Yes, I can leave the computer and monitor or just the monitor off all day, then turn it on at 11:00pm and it will still do it.
But if I leave it off until after 11:14pm, it does not do it at all.

Quote   Quote: Originally Posted by pominator View Post
If it's an external monitor, you may try to do a reset on the osd (with the menu/setup on the monitor itself). You may also try with another monitor (connect an external one if it's a laptop). You may also try another power outlet, maybe the outlet on your surge protector is failing and reset at this time for any reason. You could also boot from ubuntu live cd to see if it does the same to completly exclude software/windows bug.
I've checked the settings for the monitor (it's a Acer P244w) and there's nothing there that would have it refresh at those times or any other time.

I've also tried different monitors, but it still does it.

I've also thought of the surge protector, but I don't think that's it because if the surge protector was failing and was causing the monitor to refresh it would cause the computer itself to reset, which isn't happening. I did move the monitor plug to another outlet on the surge protector, but it still happens.

I did try your idea of booting from Ubuntu live cd lastnight and had the same results.
Quote   Quote: Originally Posted by bigmck View Post
Go into your Control Panel under Power Options and see when your monitor is set to turn off? I have mine set for 20 minutes.
My power options are set for never.
My System SpecsSystem Spec
24 Mar 2014   #9
andrew129260

Windows 10 Pro
 
 

Replace the cable going from the monitor to the pc, since you stated you tried another monitor and a linux live cd and it still does it.
My System SpecsSystem Spec
24 Mar 2014   #10
bigmck

Windows 7 Home Premium 32-Bit - Build 7600 SP1
 
 

Quote   Quote: Originally Posted by Omega1 View Post
Quote   Quote: Originally Posted by bigmck View Post
Go into your Control Panel under Power Options and see when your monitor is set to turn off? I have mine set for 20 minutes.
My power options are set for never.
So you leave your monitor on all the time. The screen never goes blank? You should let it go blank after a few minutes. There is no need to leave it on all the time.
My System SpecsSystem Spec
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 Monitor Seems To Refresh At A Certain Time, Everyday




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