Screen Shows Message: No Signal And Screen Stays Dark?

Dec 8, 2012

started recently, when I boot my PC, the screen shows message: no signal and screen stays dark.However, in the background W-7 is loading, but in order to get the video functioning, I must restart the PC, turn off the screen, wait till W-7 loads somewhat and (like after 10 sec.) turn the screen on and everything is OK.Monitor is NEW Video card too, I tried with a second one, same problem...My question is, is this W-7, main board, or something else related?

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Screen Stays Dark After Minimizing Or Quitting

Jun 16, 2009

I have installed the latest drivers, reinstalled the program, and all that jazz and the problem still persists. Pretty much when I minimize or exit from a game I play called EVE Online, my LCD remains really dark. Kind of as if someone turned down the brightness really low on the LCD. I've figured out 2 workarounds but they aren't fixes.

I simply log out and log back in and the display brightens to its usual brilliance or I hit Ctrl+Alt+Del and it has the same effect. But once I maximize the game and minimize again the screen darkens once more. Oh and in-game everything is perfect, it's only once I go to the desktop. Any ideas? I personally think its a something wrong with the refresh rate but I ahve no clue as to how to fix that.

I have attached my DxDiag results.

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edit: Just tried a system restore to two weeks ago and the system crashed. Both times.

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Recently when I have powered up my laptop it occasionally doesn't load properly, the screen stays black. You can hear the laptop working fine but you cannot see anything. This happens once or twice a week, I usually hold on the power button for 5 seconds, then reboot and it resumes my hibernate settings as usual. Could this be because I always hibernate my laptop?

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Feb 1, 2011

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May 29, 2012

Check connections between:- video card to motherboard- video card to cable- cable to monitorTry another monitor

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Oct 26, 2012

I recently built a computer for my first time. It was running fine whilst playing Arma 2, dayZ and dawn of war 2. I then installed Star Wars The Old Republic and everything went on fine until I went to play the game. The screen went black and the no signal message came up on my tv.

I could not do anything so I just turned my computer off and then back on again. When I then went to boot again in Normal mode, it just shows the windows logo and then does the same thing.

I have tried booting it in safe mode, and this works fine. I don't think it is anything to do with my monitor as it works in safe mode and also it's my tv which works with DVDs and anything on TV.

Could it possibly be something to do with the drivers? Although I have been playing other games fine until now. Or could it possibly be something such as a corrupt file or the game installed something else which won't work?

Someone also suggested that it might be something to do with the power going into the computer? They said it could be putting too mcuh power into it and it would cut out.

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Oct 30, 2012

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Nov 27, 2009

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Aug 10, 2009

I turn on the computer, goes past the bios screen as normal, does the windows loading screen as normal, then the screen goes black and the "No Signal" message is displayed.

Now, here is why it is different. I type in my password and press enter, without being able to see and wait for the logon sound to play, then if I unplug monitors cable, I hear the noise of windows telling me a device has been disconnected, I plug it back in again the device connection noise then plays and low and behold, there is the desktop.

I have been running Windows 7 build 7100 for roughly about three weeks until this started happening about one week ago.

MONITOR: ViewSonic VX1932wm

GPU: Sapphire HD4850 512mb

Also, I have noticed too after logging, randomly Aero will disable itself, I have to open the 'Personalize' option and run the troubleshoot to get it to fix itself again.

I assume this is the correct section, as I am experiencing visual issues. Apologies if this is not the correct section.

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Mar 22, 2011

ok so i have a desktop display(chuntex) for my win xp computer but then i upgraded it to win 7 ultimate now every time i switch users or log off it will say no signal but if i shake my mouse around for awhile it will come back on and work fine (but slow but i think thats cuase my hard drive is really full)

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Signal Out Of Range Error Playing Full Screen Games

Mar 31, 2012

So my issue is with all my full screen games, after a few minutes to a few hours the screen go's black and an error pops up on screen.

Signal out of range set to "1680 X 1050 @ 60hz"

Normally I would just put it to those settings, but the issue is these are basically my setting in the nevidia control panel my settings are exactly that. The only thing I could see is the advanced display settings are 59hz. But you can't set it to 60 because windows 7 rounds down instead of up now.


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