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Windows 7: Windows 7 keeps sending monitor to sleep

23 Dec 2010   #1

Windows 7 Professional 64-Bit
Windows 7 keeps sending monitor to sleep

Hi have had this problem since I can remember, after about 20 minutes windows will send the monitor to sleep if its idle, The picture will fade away and then the monitor says no signal is being received, its the same on both my monitor and TV . I have changed the power settings to Never on both "Turn off display" and "Put the computer to sleep".
I'm really not sure when this started but it makes it impossible to watch films or play games when using a controller. I also have no screen savers set.

specs if it helps:
Asus M4A79XTD EVO Motherboard
AMD Phenom II X4 955 Processor 3.20 GHz

This is probably something simple but I'm really not sure what to do. I searched a few forums and found a few similar problems but no solutions have helped me yet.

My System SpecsSystem Spec
23 Dec 2010   #2

Windows 7 Home Premium 64 bit

Click on Change advanced power settings.
Change "Turn off hard disk after" setting from 20 minutes to never.
Be sure to press Apply, OK, Save change or whatever the prompts are.

Let us know if it works.

Windows 7 keeps sending monitor to sleep-capture.png

My System SpecsSystem Spec
23 Dec 2010   #3

Windows 7 Professional 64-Bit

Hi thanks for the quick reply, set hard disk to never, played a game for 20 minutes using a controller and the exact same thing happened. Do you have any other suggestions? Thanks for the help.
My System SpecsSystem Spec

23 Dec 2010   #4

Windows 7 Home Premium 64 bit

Try this.
Power off the PC.
Unplug the power cord and hold down the power button for 30-60 seconds, then plug it back in and turn it on.
My System SpecsSystem Spec
23 Dec 2010   #5

Windows 7 Professional 64-Bit

Nope no change. Its still switching off after 20 minutes.
My System SpecsSystem Spec
23 Dec 2010   #6

Windows 7 Home Premium 64 bit

Set your screen saver to blank. Turn off display 10 minutes.
My System SpecsSystem Spec
23 Dec 2010   #7
Microsoft MVP

Windows 7 Ult. x64


Can you check both the TV and monitor to see if they have their own "sleep" settings?

My System SpecsSystem Spec
23 Dec 2010   #8


Rightclick on desktop, select Personalize, set screensaver to None.

Check your monitor's manual for any sleep settings: go to maker's Support Downloads webpage for the exact model, read Manual. Check optional Updates for newer monitor driver or other newer drivers.

If it is not Power Options>Display, or ScreenSaver, then it must be monitor itself.
My System SpecsSystem Spec
23 Dec 2010   #9

Windows 7 Home Premium 64bit

Did you try the Ctrl-Alt-Del thingy to see if the monitor wakes up?


If you are using W7

Go to Start
Type Screen Saver
Click on "Change Power Savings"
Click "Change When The Computer Sleeps"
Make sure that "Put The Computer To Sleep" says Never
Click on "Change Advanced Power Settings"
Click on "Sleep"
Click on each of the four options and see what they say
My System SpecsSystem Spec
23 Dec 2010   #10

Windows 7 Home Premium 32-Bit - Build 7600 SP1

The only time I have ever seen "No Signal Being Received" is when the PC is turned off and the monitor is on. Is your PC still turned on when you see the "No Signal" on the monitor?
My System SpecsSystem Spec

 Windows 7 keeps sending monitor to sleep

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