Try, what I pasted above, is available in your country or not. HDMI
audio extractor.They are all china made items and should be available
all over the world. Even in the ocean, whales stomachs :).
I too found a workaround that would cost $20+I ordered this HDMI
extractor from Amazon and now it works. I chose audio splitter and 4K
just to make sure it works on another monitor which doesn't have audio
jack.HDMI Audio Extractor - Tendak 4K HDMI t...
I have this problem with my LG 32 inch monitor model number 32QNP650-B
and Chromecast with Google. I don't get any screen after Google logo. I
don't event have this deep color option to switch off.