Question LG 27GL850 Horizontal Flickering Lines

Will_38

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Jul 19, 2016
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Hi, so I just bought this monitor and set it up, and everything was okay the first time I used it, but then I put it in standby, woke it up the next day and it started showing these horizontal lines flickering at the bottom
). I've had a look on google and can confirm that it is not the cable or the pc (tried 4 different cables, 2 DP 2 HDMI and also tried a PC and a laptop, no luck) but the monitor doesn't seem to be damaged physically in any way, and the majority of the time it's fine. Just every few minutes these lines pop up for about 10 seconds then go away again. I've also tried different combinations of refresh rate and resolution, HDR and adaptive sync but these have no effect (that I can see). I realise I'm probably being pretty dumb here but help would be greatly appreciated.
 
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