I have a NUC8i3BEH with 2 SSD crucial + x2 RAM Crucial 2400MHZ DDR4,
When i wake up my hackintosh he do this bug/flash every 2 seconds. And if i unplug HDMI to another display i have the same bug with a blackscreen and whiteNoise.
See the vidéo uploaded
on ultrawide (2560x1080) ...
I recently installed macOS Sierra (10.12.3) on my desktop computer. My monitor has a native resolution of 3440x1440, except despite my best efforts, I can't get the OS to recognize/use it. I've tried posts like this one (the effects of which are still in place btw) as well as SwitchResX...
2 older systems using DFI Bloodiron EO 35 and Gigabyte EP 45- both boot 10.9 (no updates)
The Monitor: LG 25UM64 Ultrawide display - 2 HDMI, 1 DP -Display port, 1 DVI-D port.
Monitor keeps asking for 2560 x 1080 - do it but the text is not crisp.
8800GTS, OSX Preferences display choices...