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Using 3x LG 27gl850 haveing strange issue with input via HDMI ports on the monitors

Joined
Jan 4, 2013
Messages
1,169 (0.28/day)
Location
Denmark
System Name R9 5950x/Skylake 6400
Processor R9 5950x/i5 6400
Motherboard Gigabyte Aorus Master X570/Asus Z170 Pro Gaming
Cooling Arctic Liquid Freezer II 360/Stock
Memory 4x8GB Patriot PVS416G4440 CL14/G.S Ripjaws 32 GB F4-3200C16D-32GV
Video Card(s) 7900XTX/6900XT
Storage RIP Seagate 530 4TB (died after 7 months), WD SN850 2TB, Aorus 2TB, Corsair MP600 1TB / 960 Evo 1TB
Display(s) 3x LG 27gl850 1440p
Case Custom builds
Audio Device(s) -
Power Supply Silverstone 1000watt modular Gold/1000Watt Antec
Software Win11pro/win10pro / Win10 Home / win7 / wista 64 bit and XPpro
Using 3x LG 27gl850 I am haveing a strange issue with input via HDMI ports on the monitors with my work setup via a docking station. On several displays I get pixel errors / colour smudge on the windows 10 background. Thinking my monitors might be burning out - if I then switch to my desktop using the Displayport in on the monitors there is no issue?

Isnt the input ports 2xHDMI and Displayport using the same panel? And can there be pixel errors on the input ports?

I am using a old T480 (sigh) for work - could it be its display out via the docking station that causes the pixel errors?

Have used the monitors with the same tree high quality (Clicktronic) cables with 2 other docks and 3 HP machines without any problems

Any clues out there to what can be the cause?
Desksetup.jpg
 
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