I've never had external monitor, and just bought an Iiyama ProLite XUB2792QSU. It connects very well to my work laptop on Windows, but not on my personal laptop (Toshiba A665-5177 from 2011) running on Ubuntu
- No signal is detected by the monitor with HDMI plugged in (I used the brand new HDMI cable provided by the monitor)
- I doesn't work either when trying with an HDMI-to-DisplayPort converter and a DisplayPort cable I had
xrandr
doesn't even show HDMI ...- I did try to unplug and plug the cable again, to no avail
Can you help me solve this?
The laptop has no additional graphics card besides the Intel Integrated HD Graphics (see output):
user@laptop:~$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
Extra info:
- Initially installed xubuntu (i.e. using lightdm), with ubuntu now upgraded to 18.04.3
- Running Ubuntu Kernel 4.15.0-72-generic
- No xorg.conf file
user@laptop:~$ xrandr
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
LVDS-1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 345mm x 194mm
1366x768 59.97*+
1360x768 59.80 59.96
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
800x512 60.17
700x525 59.98
800x450 59.95 59.82
640x512 60.02
720x450 59.89
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
680x384 59.80 59.96
640x400 59.88 59.98
576x432 60.06
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
VGA-1 disconnected (normal left inverted right x axis y axis)
user@laptop:~$ dpkg -l | grep xorg
ii python3-xkit 0.5.0ubuntu2 all library for the manipulation of xorg.conf files (Python 3)
ii xorg 1:7.7+19ubuntu7.1 amd64 X.Org X Window System
ii xorg-docs-core 1:1.7.1-1.1 all Core documentation for the X.org X Window System
ii xorg-sgml-doctools 1:1.11-1 all Common tools for building X.Org SGML documentation
ii xserver-xorg 1:7.7+19ubuntu7.1 amd64 X.Org X server
ii xserver-xorg-core 2:1.19.6-1ubuntu4.3 amd64 Xorg X server - core server
ii xserver-xorg-input-all 1:7.7+19ubuntu7.1 amd64 X.Org X server -- input driver metapackage
ii xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 amd64 X.Org X server -- evdev input driver
ii xserver-xorg-input-libinput 0.27.1-1 amd64 X.Org X server -- libinput input driver
ii xserver-xorg-input-synaptics 1.9.0-1ubuntu1 amd64 Synaptics TouchPad driver for X.Org server
ii xserver-xorg-input-wacom 1:0.36.1-0ubuntu1 amd64 X.Org X server -- Wacom input driver
ii xserver-xorg-legacy 2:1.19.6-1ubuntu4.3 amd64 setuid root Xorg server wrapper
ii xserver-xorg-video-all 1:7.7+19ubuntu7.1 amd64 X.Org X server -- output driver metapackage
ii xserver-xorg-video-amdgpu 18.0.1-1 amd64 X.Org X server -- AMDGPU display driver
ii xserver-xorg-video-ati 1:18.0.1-1 amd64 X.Org X server -- AMD/ATI display driver wrapper
ii xserver-xorg-video-fbdev 1:0.4.4-1build6 amd64 X.Org X server -- fbdev display driver
ii xserver-xorg-video-intel 2:2.99.917+git20171229-1 amd64 X.Org X server -- Intel i8xx, i9xx display driver
ii xserver-xorg-video-mach64 6.9.5-1build3 amd64 X.Org X server -- ATI Mach64 display driver
ii xserver-xorg-video-neomagic 1:1.2.9-1build3 amd64 X.Org X server -- Neomagic display driver
ii xserver-xorg-video-nouveau 1:1.0.15-2 amd64 X.Org X server -- Nouveau display driver
ii xserver-xorg-video-openchrome 1:0.6.0-3 amd64 X.Org X server -- OpenChrome display driver
ii xserver-xorg-video-qxl 0.1.5-2build1 amd64 X.Org X server -- QXL display driver
ii xserver-xorg-video-r128 6.10.2-1build1 amd64 X.Org X server -- ATI r128 display driver
ii xserver-xorg-video-radeon 1:18.0.1-1 amd64 X.Org X server -- AMD/ATI Radeon display driver
ii xserver-xorg-video-savage 1:2.3.9-1ubuntu1 amd64 X.Org X server -- Savage display driver
ii xserver-xorg-video-siliconmotion 1:1.7.9-2ubuntu1 amd64 X.Org X server -- SiliconMotion display driver
ii xserver-xorg-video-sisusb 1:0.9.7-1build1 amd64 X.Org X server -- SiS USB display driver
ii xserver-xorg-video-tdfx 1:1.4.7-1build1 amd64 X.Org X server -- tdfx display driver
ii xserver-xorg-video-trident 1:1.3.8-1build1 amd64 X.Org X server -- Trident display driver
ii xserver-xorg-video-vesa 1:2.3.4-1build3 amd64 X.Org X server -- VESA display driver
ii xserver-xorg-video-vmware 1:13.2.1-1build1 amd64 X.Org X server -- VMware display driver