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My Dell U3014 has been working perfectly since I purchased it in 2015. This morning I started working and all of a sudden the picture on the Dell is noticeably worse than it was yesterday, the rendering looks horrible. I have two monitors hooked up to a HP Z440, a Dell U3014 and a HP Z23n both using display port, the display is noticeably degraded on the Dell U3014 and looks fine on the HP Z23n. This change is especially apparent with black text on a white background, but the change is not limited to just text everything looks worse. Both displays looked fine yesterday, Windows did not install any updates (as far as I can tell) last night and I have not changed any settings.

I have tried/checked the following:

  1. Switched cables - no effect
  2. Reset the monitor to factory defaults - no effect
  3. Made sure video settings were set to render clear type fonts and anti-aliased - all settings were correct

My question is has anyone else with a Dell U3014 experienced a sudden drop in display fidelity? Given the fact that my HP Z23n looks fine and my Dell U3014 looks horrible my guess is that it is a hardware problem with the Dell, but the monitor is only 5 years old and isn't used 24/7 so I would hope it has a longer life than just 5 years.

Thanks!

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If you have swapped the two monitors between their ports and the problem is still there, then the problem is surely hardware.

Five years is a good lifetime for some monitors, while others may go much further. This is a matter of luck.

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  • Just to update, the problem was hardware, but not the monitor the video card :) Swapped out to a new video card and BOOM! everything was back to normal. Thanks for the reply!
    – Shane
    Commented Jul 16, 2020 at 14:47

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