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Display does not turn on when waking up from sleep mode in win10 (Asus Z170A)

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dkanter

Registered
Joined
Feb 10, 2002
System: Desktop Skylake Core i7 6700K on an Asus Z170-A, with an Nvidia GTX 680, running windows 10, 64-bit with latest updates, BIOS, and drivers. Monitor connected over HDMI.


Power settings

Sleep after 30: minutes
Hybrid Sleep: Off
Hibernate: Disable


Device manager

Two keyboards, both HID Keyboard Device, and CAN wake up the system from sleep mode
Two mice, both HID-compliant mouse, and CAN wake up the system from sleep mode


Observed behavior

When the PC goes to sleep, the power light on the case starts to blink slowly, and the monitor shauts off. When I wake the PC up, it shows up on the network and is clearly alive and running. However, the display does not show anything because there is no signal being received by the monitor. Instead, I have to hard shut down the system.

I have observed this behavior for both HDMI and Displayport to the monitor.

I have the same problem when using the Intel integrated graphics, without the discrete GPU.


Thanks in advance,


David
 
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