Monitor randomly turn on & off - High Sierra

I searched the forums and there's a known issue with a black screen during boot, but that's not what's happening to mine. The issue is monitor is losing signal within 15 minutes or more. This is only happening when I'm booted and working with the system. My setup is following: DP->HDMI to the LG monitor and HTML to the TV. But when I unplug the TV cable I don't expire those monitor disconnects.

My system:
Asus z97-a USB 3.1
Intel® Core™ i5-4690K
MSI GeForce GTX 970 GAMING 4G
Monitor: LG 27m45-4 (1920x1080)
TV: Sony TV (3840x2160)

Used system:
iMac15,1 (MacOS High Sierra 17A405)
NVIDIA driver 378.10.10.10.15.120 (latest as of 26.10.2017)

Keks used:
FakeSMC.kext
GenericUSBXHCI.kext
IntelMausiEthernet.kext
Lilu.kext
NvidiaGraphicsFixup.kext
realtekALC.kext
RealtekRTL8111.kext

config.plist -> https://pastebin.com/zx9izuqk
Additional help (images) -> https://imgur.com/a/4BkrV

ps: This is my first Hackintosh and if there is anything else I should share, just let me know :)

submitted by /u/mmdoritos
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