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Background: I am having trouble with video quality on Ubuntu. I currently have two displays connected. One smaller, more expensive display that is (presumably) of higher quality connected via HDMI, and a larger cheaper one connected by VGA. I am running proprietary NVidia drivers. I have looked through all NVidia settings and all of the settings there look identical. I have attached some console output for version and graphics info below. I am also dual booting Windows 10 on the same computer. None of the issues below are occurring on Windows (which is why I believe it is not an issue with the display itself).

Problem: On my larger display, the "black quality" is very bad. When looking at dark image, dark sections look "layered". One example is in this image, at the bottom right of the window. This is a screenshot of the window, taken using the default screenshot tool on Ubuntu (shift + prtsc). Looking at the image on my better screen shows that it captures some (but not all) of the loss in quality. This problem gets so bad that it significantly interrupts my video viewing (and I switch over to Windows when watching Neflix). A second issue is the background. I have my desktop background set to completely black. On my smaller display this appears fine, but on the larger one there are white spots everywhere. I once more took a screenshot of the desktop background. Again, looking at it on my smaller screen shows that it reveals some, but not all of the loss of quality.

Question: What is causing this, and how can I fix it?

Ubuntu version:

$ lsb_release -a

No LSB modules are available.

Distributor ID: Ubuntu

Description:    Ubuntu 18.04.2 LTS

Release:    18.04

Codename:   bionic

Graphics drivers:

$ sudo lshw -c video

[sudo] password for user: 

  *-display                 

       description: VGA compatible controller

       product: GP107 [GeForce GTX 1050 Ti]

       vendor: NVIDIA Corporation

       physical id: 0

       bus info: pci@0000:01:00.0

       version: a1

       width: 64 bits

       clock: 33MHz

       capabilities: pm msi pciexpress vga_controller bus_master cap_list rom

       configuration: driver=nvidia latency=0

       resources: irq:139 memory:de000000-deffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:e000(size=128) memory:c0000-dffff

  *-display

       description: Display controller

       product: HD Graphics 530

       vendor: Intel Corporation

       physical id: 2

       bus info: pci@0000:00:02.0

       version: 06

       width: 64 bits

       clock: 33MHz

       capabilities: pciexpress msi pm bus_master cap_list

       configuration: driver=i915 latency=0

       resources: irq:130 memory:dd000000-ddffffff memory:b0000000-bfffffff ioport:f000(size=64)