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Windows 7: monitor enters sleep mode whilst gaming

20 Dec 2012   #1

windows 7 home premium 64bit
monitor enters sleep mode whilst gaming

Hi guys, i've had an issue since yesterday. My missus has downgraded me from the 46"

So i went out and purchased a second hand 15.5" lg monitor and a new vga cable, as before i was running via hdmi lead.. So everything was going fine untill i tried to play bf3, when i click on the bf3.exe my monitor enters sleep mode??

The game music can still be herd, and the pc seems responsive as my keyboard is still lit up and cap locks, numlock still responsive. Only way out is to hard reset.

I've gone inside the pc and removed the little dust that was there
Ive made sure pc is set in high performance mode
Made sure hibernation and sleep is off
Made sure vga cable is fixed
Checked driver for updates
Ran cc cleaner to insure no unwanted registary causing issues
Ran gpuZ to check temps (idle 32, gaming 57)
Tried unclocking my card
Tried raising fan speed manual to 100%

Yet it still happens, i've never had this issue before i got the monitor yesterday, and i know the gpu is not overheating, so do you think the monitor itself is the issue?

Tested games:
Working on highest settings:
-Black ops2
-Transformers foc
-DayZ (high not ultra)
-The warZ
-Portal 2

Games that shut down monitor:
-Crysis 2
-Resident evil: operation racoon city

The games that fail put the monitor into sleep mode as soon as the .exe is clicked.

Below is system
Win7 home 64bit
Amd black edition quadcore 4.22ghz
Amd 1gb HD 6570 gpu
450w psu
Gigabyte ga-78lmt-usb3 mobo
8gb ram

Previous monitor was a celcus 46" 3dhd 1080p running at 60hz with resolution of 1920x1080

New monitor is a LG L1511SE 60hz running a resolution of 1024x768

As i said, im compleatly stumped by this one, any ideas?

when i right click desktop>resolution i am given the option to change it as high as 1600x1200, however when i do, it straight away enters power save mode. (the diffrence being i can press the right arrow + enter to revert to take it out of power save mode) so im thinking it must have somthing to do with the resolutions?

My System SpecsSystem Spec
20 Dec 2012   #2
Microsoft MVP

Windows 7 Ult. x64


Definitely sounds monitor related. What happens if you run BF3 at the same native resolution as the monitor?

My System SpecsSystem Spec
20 Dec 2012   #3

windows 7 home premium 64bit

just came back to update, its the monitor, i edited bf3.ini and changed the resolution down to my monitors and it worked.

phew glad my gpu not fried lol

now just need to do it for the other games
My System SpecsSystem Spec

20 Dec 2012   #4

windows 7 home premium 64bit

Quote   Quote: Originally Posted by Golden View Post

Definitely sounds monitor related. What happens if you run BF3 at the same native resolution as the monitor?


Thanks for the reply, thats what i did, but figuerd i'd come back and post so others can see if they have the issue also.

went into the settings folder for bf3 and edited profile file. changed the res to my currant monitors resolution, then when orogin asks to sink, say no and instead upload files from pc to sink, that way it saved at currrent res rather than my large tv which i really miss playing bf3 on
My System SpecsSystem Spec
20 Dec 2012   #5
Microsoft MVP

Windows 7 Ult. x64

Thanks for reporting back mate
My System SpecsSystem Spec

 monitor enters sleep mode whilst gaming

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