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Alright so, theres this flashing thats been happening, full black on both monitors, about 10-15s after turning on my display without fail. Its been happening for about 3-4 months now, persisting through driver updates and windows updates.

I do not use HDR, I dont really know what sort of program would be causing this, I do use Display Fusion, but have turned the program off for a few days to see if the issue persists and it 100% does.

PC Specs:
LG 24GN600-B 24" 144Hz Monitors x 2
ASUS Z170-PRO Motherboard
Intel i7-6700k CPU 4.0ghz
WD Blue 1TB 6Gb/s 2.5" SSD x 2
ASUS ROG GeForce RTX 3060 V2
OLOy DDR4 (2x32GB) 3200 MHz Ram
 

· Team Manager, Microsoft Support
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No harm, no foul? Unless further complications, I would just put up with it. If not, hopefully a suggestion will be forthcoming.
 

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Is your video output set to the monitor's recommended resolution of 1920 x 1080 @ 144 H? Your manual states that the screen may temporarily flicker black while the system adjusts if a non-optimal resolution has been selected.

Unplug your second monitor. Does a single monitor still have this problem?

LG Monitors should be Plug and Play but if they are just being detected by your system as "Generic" then download and install the LG monitor driver for your model.

If none of this helps...

Upon starting your computer immediately press Ctrl-Alt-Del and enter the task manager. If a single monitor flickers black then it's probably a driver issue, if it doesn't then it's likely an application conflict.

Uninstall the video driver and revert back temporarily to the basic Windows driver. If a single monitor no longer flickers black then install an older version of your video driver. If it still flickers then do a clean boot to see if you can find the offending application.

 
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