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Repair and troubleshooting guides for the Samsung 34 inch curved screen desktop monitor with model number S34E790C.

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Why does my monitor turn on to a grey screen?

My monitor only turns on to a grey screen, it will not display anything, I’ve tried hdmi and dp. Even when it’s not connected to a computer it doesn’t say “no input” or anything like that. Just stays grey. I try to toggle the menu but still just stays grey. My computer can recognize that another display device is connected to it. The only thing I can do to it is turn it on and off from the toggle power button, then it goes from the grey screen to the black screen. When I look from behind the monitor I can see that something on the right side is lit up red, this could maybe have something to do with it? My knowledge of monitors is rather limited, please give me some answers or suggestions on what to try or what the issue may be. Thank you!

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@danielbagent the grey screen is most likely your backlight working. What that means is, that your monitor gets power but no video signal. You will have to open it up and check the video board for any damaged components etc. Post some good pictures of those boards with your Question so we can see what you see. iFixitでの質問に画像を追加する方法

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Daniel Bagent さん、ありがとうございました!
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