Monitor not turning back on after turning off display due to inactivity

[luks104]

Hi!
So after I leave the computer for 20 minutes the display turns off. When I come back and try to wake the monitor, the screen will remain black. The graphics card is lit up and the so are all the fans in the computer. The standby light is flickering on the monitor. This really bothers me so if you could please help me with this problem. I have set the devices to be able to wake the computer. I can't seem to find any solution to this problem. Please help:
Thanks in advance

 

[delellod123]

is the mouse or keyboard plugged into USB3? if so, try putting it into an older USB2 (white) slot.

also,
here is info on setting up advanced power options:
http://www.pcworld.com/article/256309/tweeking_windows_7s_sleeping_habits.html

 

[luks104]

Both mouse and keyboard are in usb 2.0 slots.
Here are my pc specs:
MSI B85-G43 gaming mobo
Intel core i5 4670k cpu
Sapphire r9280x vapor-x gpu (note the light and fans are still on even when the monitor won't display anything)
Samsung 840 evo 128 SSD
Gigabyte GreenMax 650 wat 80 bronze certified PSU
Samsung SyncMaster P2250 (4 years old) monitor
Windows 7 64bit

 

[delellod123]

try the link I sent. Try turning off hibernation. Otherwise, it could be a bad driver or unstable over clock (via ram). See what issue you are getting via your windows EVENT VIEWER. Surly an event was reported. Let me know what it says, maybe it can be worked out from there.

 

[luks104]

I checked the logs, nothing seemed fishy before the critical error of unexpected shutdown - me pressing the reset button. I did find this after the computer started but only the last time I pressed the reset button ( IRQARB: ACPI BIOS does not contain an IRQ for the device in PCI slot 0, function 0. Please contact your system vendor for technical assistance. ) This error did not occur any previous time. But as I said, before the restart or shall I say reset there isn't any error.

 

[delellod123]

That error is none issue. Are you over clocked? Try Loading Defaults in BIOS and see if problem persists.

 

[luks104]

None of my components are overclocked, only my GPU is factory OC-ed. Tried that (bios deafult), didn't work.

 

[luks104]

I previously did this: You need to go to the "Power Options" in the "Control Panel", where you get the list of "Power Plans". Click "Change plan settings" and then "Change advanced power settings". Go to "PCI Express", "LInk State Power Management" and set it to "Off" and now the screen woke up normally, but it happens occasionally so I will keep this thread updated. I'm really thankful for your help, no one would help. If you have any more possible solutions post them anyways, maybe they'll get rid of the problem. Man you da real MVP 😀, Thanks
If I knew you IRL, a beer would be on me 😀

 

[delellod123]

Sorry couldn't be more help. My only other suggestion is to try another monitor if you have one and see if the problem persists on another monitor. If it does, you can rule out the 4-year-old monitor being the problem. I will post if anything comes up

 

[luks104]

The problem was, that waking up sleep in BIOS was disabled for mouse and keyboard. I was tweaking my BIOS settings and noticed that. Changed it to "allow to wake up" and the problem is gone, thanks for everything.