Laptop no longer recognizes an external monitor.

  • Thread starter Thread starter NielsRO
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NielsRO

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Hello, I am having a very weird issue with my external monitor, a LG Ultragear 27GR93U-B.Received a new monitor today because I’m planning to build a game pc. But since I have not yet purchased all components and I still wanted to view the monitor, I decided to connect my laptop via an HDMI cable.This also went well at first and I experienced no problems in 4k & 60hz.However, when I adjusted the screen resolution to 2560 × 1440 and the refresh rate to 144hz, problems arose. The monitor went black and now my laptop no longer recognizes the LG Ultragear 27GR93U-B, nor can I change the settin

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