Windows 7 sleep/hibernation problem.

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Conrad Pinto

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Mar 13, 2013
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Hi,

I have this problem with Windows 7 64-bit OS. When ever my PC goes into hibernation or sleep mode the monitor doesn't work properly.

Here's what happens exactly. The monitor goes almost black but I can see the mouse on the screen. When I press Ctrl+Alt+Del the page for logging off/ Starting task manager opens up. When I click on 'Start task manager' nothing happens. When I click on the shutdown button (bottom right corner) nothing happens.

Rebooting the system solves the problem. But it happens again when the system goes to sleep.

Online on a forum it was suggested to switch off the 'Link state power management' in the advanced settings of Power Option (Control Panel). It resolved the problem, but my family members have said that the problem has started again (thought I haven't observed it).

Any suggestions?

My PC specifications.
Intel i5 4440 CPU
Asus B85M-G Motherboard
Kingston HyperX RAM 2x4 GB
Sapphire AMD R9 270 2GB graphic card.
LG monitor 24 inch connected to the Graphic card
19.5 inch ViewSonic monitor connected to the motherboard

Reason I am mentioning the monitors is that the main screen connected to the GFX card shuts down after a few minutes of being blank (usually after trying to open task manager). The secondary display has power although no display.

Please Help. I have increased the sleep time to 1 hour waiting period for now.

Another issue may or may not be related. Sometimes the system starts and the display only works on the 19.5 inch screen. The main screen 24 inch doesn't work. I have to reboot and switch the displays 2-3 times and clear the CMOS to resolve it. It once got resolved when I cleaned the GPU to remove the dust.

Please help.
 
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panathas
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Conrad Pinto

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It is updated till the last but one version. Between a PC in sleep mode running BIONC (Einstein@home) and a PC not in sleep mode running the same app (basically 100% CPU and GPU usage) how much more power is consumed by the latter. Not asking for a value but will I notice it on my electricity bill?
 
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Conrad Pinto

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R_1 this helps a lot. But how do you start an application when the screen is black. How do you navigate the task manager?
I'm thinking of making a batch file which starts explorer.exe, but can you tell me the best place to keep it so that I can start it with the keyboard when the screen is all black?
 
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R_1

R_1

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ctrl+shift+esc that is the shortcut to launch the task manager. from there go to file>new task (run)>explorer.exe hit enter

explorer (the shell) should start and icons should populate the desktop.
 
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Conrad Pinto

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No no no I understand how to start a process in task manager. But my problem is that even after pressing ctrl alt del and starting task manager the screen remains black, can't see anything, not even the task manager.
 
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R_1

R_1

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ctrl+alt+del brings up the blue menu, but task manager will not open? ctrl+shift+esc does not bring up the task manager? I was hoping that would get you back to running. If you can't open a command prompt or similar I don't know what else but to restart and turn off the power management features.
 
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panathas

panathas

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What's your PSU? Is it haswell ready? Is it old or new? If it isn't haswell ready it will have problems waking the PC properly.

Also why are you using the R9 270 and your onboard graphics card at the same time? Do you know that you can connect both of your monitors at R9 270? You don't need the onboard graphics to use your second monitor. Unless you need it for some weird reason that I can't think of right now. That weird configuration can cause many problems like the ones that you are facing right now.

I really believe that your problems lies in there. When you start your PC or when you wake it up it can't properly recognize your weird configuration and it can't initialize both of your GPUs properly.

Try to connect both of your monitors to your AMD R9 270 and uninstall the intel graphics driver of your onboard GPU. Also get in the BIOS and deactivate the intel onboard graphics card.
 
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Conrad Pinto

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No my PSU is not Haswell ready. It is a low grade Corsair PSU VS550.

Starting the PC never gives any problems only sleep mode is failing.

Will connecting both the screens to the the R9 270 drop the performance while gaming? I was of the opinion that since this GPU isn't very powerful running 2 screens will slow it down.

This problem has started after 6 months of using the dual screen setup. It started with the GPU dust issue which I've mentioned earlier. Nevertheless I will try connecting the monitors to the GPU only and observe it for a week.

Update: I was reading online about my PSU. Corsair claims it wont have a problem with the C7 power state of the CPU. But I was wondering if I can disable it via BIOS? Will it cause any problems?
 
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panathas

panathas

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You don't really need the internal intel gpu. Your R9 270 can handle 3+ monitors just fine, as long as you don't use them all for gaming. You could use more than one monitor for gaming but they should have the same resolution and you'll have to reduce your graphic settings. If you connect your 2 monitors to your R9 270 you'll able to game in one like you are probably doing now.

Your current config is weird and problematic because you have 2 different graphic cards from 2 different manufacturers with 2 different drivers trying to work together. They can work but problems can arise like the you are experiencing right now. Have you properly installed both of your graphic drivers? Have you updated them to their latest versions? Even if they were working properly before one driver update from one card can mess things up.
You said yourself that you system has problems starting up with both of your monitors working correctly and you have to restart your PC or clear the CMOS. That behaviour is caused by your weird config. Also try updating your Bios to the latest version.

You PSU may also be responsible for this behaviour. You know that it's not a good unit in fact in is bad. It's a tier 4 actually. Check this out http://. You should buy a new one from tier 1 or 2. As for the power states of your CPU try to disable one by one in your BIOS and see if that changes anything but I think that you should change your PSU as soon as you can.

 
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