“it didnt turn on when i plug in hdmi to my gtx graphic card. why ? what is a contrast ratio ? it doesnt say in specification. i checked lg website it says mega. not specific.hows this compare to hp 23es ? thanks”

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• This is better than the HP. Have both. I think contrast is 5,000,000 to 1

  Answered by Anjunabeats 6 years ago

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• Per the manual on page 21: 1920 x 1080 @ 75Hz (HDMI) ^AC

  Answered by LG Digital Customer Care 6 years ago

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