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I have been using it as a 4K computer monitor without problems. Make user your HDMI cable is 4k compatible.
Sorry, there was a problem. Please try again later.To change the HDMI mode try this: Long press the home button, go to Picture > Advanced Settings > HDMI Mode and select 2.0.
Sorry, there was a problem. Please try again later.Changing it to HDMI 2.0 did the trick! Thank you!
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