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LG UHD 4K TV reboots when being used as a monitor and watching videos

bucksears
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bucksears Newbie

bucksears

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I bought a new LG 43uq7590pub (43" 4K UHD) TV three months ago, with the intent of using it as a computer monitor.

Configuration is as follows:

  • Running it in Gaming Mode
  • Computer is set for 4K resolution (3840 x 2160)
  • Connected via HDMI cable to my computer (don't have the cable stats in front of me)
  • Computer's video card is set to a 60Hz refresh rate

When watching streaming videos from the local computer (YouTube, MAX, Netflix, etc), the TV will randomly go black and restart. There is no warning (audio/video slowdowns or distortions/glitches) before it does so. After restarting, it continues to run normally. Anything over 30-45min and it will likely restart.  

I'm not using wifi/internet locally on the TV, so that is not (or shouldn't be) the issue. 

I'm wondering if running the computer's video AND audio over the HDMI cable is too much for the TV, and that's causing the restarts after a while. I have a separate MIDI/audio interface that I usually run the computer's audio OUT of, to a pair of external speakers. This is a whole new computer setup, so I don't have that in place yet; just wondering if taking that workload OFF of the TV/HDMI might help.

Are there any event logs within the TV OS that might indicate what is happening?

Anyone else experience anything similar? 

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