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Odd Monitor Wake Issue

post #1 of 6
Thread Starter 
Hey everyone,

I just put together a system using a Rampage IV Black. Before I jump in and start using this thing I decided to run a some stability tests to make sure I am starting off on the right note.

The system appears to be stable since it can run P95 as long as I need it to. No BSOD, no freezing, no nothing. Heck, even the Event Logs are clean as a whistle.

I have the monitor set to sleep after 5 minutes. Being anal like I am I woke the monitor probably a few dozen times while P95 was running. Each time it woke my Dell U3011 without hassle. One time though the power button went blue (active) on the monitor but the screen was just black. I turned the monitor off and then back on and there was my desktop running P95. From that point forward the monitor woke every single other time I tried it.

I checked through all the logs and can't find any evidence that a driver crashed or anything abnormal.

Is this more of a monitor thing or is something goofy with the rest of the system?
post #2 of 6
This usually points to a system hang, whereby everything becomes unresponsive. Try running P95 for a lot longer whilst setting the monitor to "never sleep". If you are stable, ignore the issue. It was most likely a driver problem whereby the display mode switches itself off. This is common with AMD, less so with Nvidia, but it still does happen. FYI, to reset the display mode should this ever happen again, unplug the monitor from the back of GPU, count to ten and plug it back in. If the screen fails to come on, it's a system hang.
Edited by BradleyW - 4/21/14 at 10:14am
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post #3 of 6
Thread Starter 
Quote:
Originally Posted by BradleyW View Post

This usually points to a system hang, whereby everything becomes unresponsive. Try running P95 for a lot longer whilst setting the monitor to "never sleep". If you are stable, ignore the issue. It was most likely a driver problem whereby the display mode switches itself off. This is common with AMD, less so with Nvidia, but it still does happen. FYI, to reset the display mode should this ever happen again, unplug the monitor from the back of GPU, count to ten and plug it back in. If the screen fails to come on, it's a system hang.

Thanks Bradley.

The interesting thing is the system didn't hang. After I power-cycled the monitor I could see the desktop and everything was humming along as it should. I could open programs, etc.
post #4 of 6
It's just a GPU driver bug. AMD and Nvidia really can't seem to fix this issue on many systems for some reason. I'd set the monitor to never go to sleep via software. Just switch it off by the button when you plan to leave the system on and idle for a little while.
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Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
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XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
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Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
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post #5 of 6
Thread Starter 
It almost has to be a random monitor or GPU thing. I've combed through the Event Viewer and there's nothing there to suggest there is any kind of problem. Furthermore there's nothing I can do to get the system to fail stress tests; it just goes and goes.

I've had this U3011 for a while now and I've had similar things happen with past systems but in those cases I had to actually pull power to the monitor to get things back up and running again. Now that I think about it, maybe not. Ah who knows. I have a fair amount of cash sunk into this thing and I'm probably just being too anal. That HAS been known to happen plenty biggrin.gif

For the instance in my OP, the power button went blue to indicate wake state but the screen was black and stayed that way. If there was no signal coming from the PC it should have put a no-signal message on the screen but that never happened.
post #6 of 6
My old PC that I retired last year had an AMD Radeon GPU and this happened just as you described. I could never figure out what was wrong other than some intermittent driver issue. My NVIDIA GPU on my current computer has been trouble free.
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Photo Editing PC
(11 items)
 
HTPC
(11 items)
 
 
CPUMotherboardGraphicsRAM
Intel i7-4790k  ASUS Sabertooth Z97 Mark 2 ASUS GTX 960 2GB STRIX 16GB Crucial Ballistix Tactical DDR3 1600 
Hard DriveOptical DriveCoolingOS
256 GB Samsung 850 PRO WD 2TB Caviar Black Noctua NH U12S Win8.1 
MonitorPowerCase
NEC MultiSynch P221W SeaSonic G 650 Fractal Design Define R5 
CPUMotherboardRAMHard Drive
Intel i3-3225 Gigabyte H77N-WiFi 8GB Crucial Ballistix Tactical DDR3 1600 120 GB Samsung EVO 840 
Hard DriveOptical DriveCoolingOS
1TB WD Blue LG Blue Ray DVD Reader Noctua NH-L9i Win7 
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Logitech K-400 Seasonic G360 Fractal Designs Core 500 mITX  
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