Public bug reported:

The process with this pc and my tv monitor (an old Sonoko) always takes alot 
with Ubuntu. It takes even a little bit  with Windows on the same device, but 
with this distro (the only one I've ever tried, 19.04) it can even takes 
minutes and even a counter intuitive setup.
I tried alot of days ago and I hope it can show up in the logs.
Furthermore the screen no 2, when finally start working, has a color shift. A 
blue-ish shift. From the color the mouse cursor it seems white turns into a 
turquoise.
I decided to report it now because I thought it was the old tv fault, but today 
I decide to plug a new laptop on that and, even if Windows colors are a little 
bit off, it's not at the same level as this issue

lsb_release -rd

Description:    Ubuntu 19.04
Release:        19.04

apt-cache policy pkgname

N: Impossibile trovare il pacchetto pkgname

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: xorg 1:7.7+19ubuntu12
ProcVersionSignature: Ubuntu 5.0.0-17.18-generic 5.0.8
Uname: Linux 5.0.0-17-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Permesso negato: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Wed Jun 26 00:24:28 2019
DistUpgraded: Fresh install
DistroCodename: disco
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 6.30.223.271+bdcom, 5.0.0-16-generic, x86_64: installed
 bcmwl, 6.30.223.271+bdcom, 5.0.0-17-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller 
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Dell Mobile 4 Series Chipset Integrated Graphics Controller 
[1028:0277]
   Subsystem: Dell Mobile 4 Series Chipset Integrated Graphics Controller 
[1028:0277]
InstallationDate: Installed on 2019-06-11 (14 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
MachineType: Dell Inc. Latitude E4200
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-17-generic 
root=UUID=3530e372-e9e5-454c-915e-8fa98dfff972 ro quiet splash vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/18/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvrA05:bd12/18/2008:svnDellInc.:pnLatitudeE4200:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E4200
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.97-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.2-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.4-1ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20180925-2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug disco ubuntu

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https://bugs.launchpad.net/bugs/1834262

Title:
  connecting a new monitor

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