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Monitor won't wake back up after PC has been running several hours.

Tags:
  • R9 270X
  • won't respond
  • Monitors
  • Download
  • wake
  • Graphics
  • Sleep Mode
  • Graphics Cards
  • force restart
  • Radeon
Last response: in Graphics & Displays
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December 30, 2013 5:14:25 PM

I started a long download on my PC when I went home on my lunch break. After work I came home to check the status of the download and hit the space-bar on my keyboard, moved my mouse and the monitor would not recognize a signal. I tried turning the monitor on then off and nothing. I even tried plugging the monitor into the motherboards video card and back to the video card and nothing. Please note that the computer itself never went to sleep.

Since I had no way of seeing what was on my screen I was forced to reboot the PC. This of course caused a kernel 41 error in windows. I checked the event log and am unable to determine what caused the problem. I did notice that I lost internet connection at one point in the afternoon, but I don't understand why this would prevent my monitor from responding to a signal.

My PC is BRAND NEW. The monitor is about a year old (Samsung S23B300) with a DVI connection. My Video Card is a Radeon R9 270X, also brand new.

Any help would be greatly appreciated!

More about : monitor wake back running hours

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a b U Graphics card
January 21, 2014 8:10:30 AM

Do you Overclock? If so the system could be overheating and shutting down during that time, same with the GPU. Check temp, like play a demanding game and see how hot the system gets.

I use to have problems with putting my PC to sleep, when I was overclocked on my phenom, though it was stable. With my 8320 I can sleep and wake the system up just fine, but half my programs don't look like they are running but are.

Also what drivers are you using, if your not using the newest drivers (13.12), Uninstall you old drivers, restart your PC even if it didn't ask you to, then install 13.12 drivers and reboot again. If your using 13.12, tou may want to go back to older drivers. AMD is still working on optimized drivers for the R9 cards, so that could vary well be an issue they need to fix.
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January 21, 2014 8:12:48 PM

Thanks. It looks like it was a combination of avast and Windows update while the monitor was asleep. I've disabled monitor sleep and have the screen saver on and simply turn the monitor off when I'm gone for over an hour.
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a b U Graphics card
January 22, 2014 4:23:10 AM

Obie146 said:
Thanks. It looks like it was a combination of avast and Windows update while the monitor was asleep. I've disabled monitor sleep and have the screen saver on and simply turn the monitor off when I'm gone for over an hour.


If your having issues with Avast, you could try other Anti-virus programs, Or just disable Windows Updates and update when you want to. I only update my system once a week, Hate the updates when Im gaming or Folding because it will try to restart the system if no one clicks the Postpone button.
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August 7, 2014 2:10:54 AM

It's not an Avast problem. It depends from AMD R9 video card series (and others). Probably caused by drivers, this is a known issue. For now the solution is to deactivate sleep mode.
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August 30, 2014 7:51:04 AM

I have the same problem with no solution as of yet :( 

I have been trying to solve this issue for several months now, it is amazing how common the issue is but yet there is no clear solution to the problem or understand what might be causing the problem.

I have set my computer to put the monitor into standby mode after 15 minutes of inactivity - during which my monitor is still powered on but the PC shuts off the video. To wake it, usually bumping the mouse or pressing any key/button will wake it. I have found recently that sometimes it won't come out of standby. Moving the mouse won't wake it, hitting keys won't wake it, it just remains in standby mode - the PC is still on and running but the display won't wake.

This is very random, most of the time it wakes up, rarely, it just doesn't. I tried to click the num lock button on and off to see if it responds, and most of the time it does, however I think there were a couple of instances it doesn't. I tried to go to bios and select the wakeup event and switch between bios and os, if I select OS, my computer simply doesn't start after the hybrid shutdown of windows 8.1, so I set it back to bios.

My computer is configured not to sleep, but just to turn off display after 15 minutes. I thought the issue was related to AMD cards but apparently it is also with Nvidia cards as well. Any help would be appreciated.

My specs, everything is up to date as of the post, all updates are checked using msi live update software:

MSI Z87-G43 Gaming Motherboard - Bios ver: A.60
Sapphire Tri X R9 290 OC - Catalyst 14.7 RC3
Intel Core i5 4670
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