Bonsoir,
Désolé de cette réponse tardive, je viens seulement de voir le message.
voici le retour des commandes demandé :
thomas@thomas-fixe:~$ lspci -vnn | grep -A12 '\''[030[02]\]' | grep -Ei "vga|3d|display|kernel"
2d:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT] [1002:731f] (rev c1) (prog-if 00 [VGA controller])
Kernel driver in use: amdgpu
Kernel modules: amdgpu
thomas@thomas-fixe:~$
thomas@thomas-fixe:~$ xrandr
Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
DisplayPort-2 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 527mm x 296mm
1920x1080 60.00 + 144.00* 120.00 119.88 119.98 99.93 50.00 59.94
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x800 60.00
1280x720 60.00 50.00 59.94
1024x768 119.93 99.99 75.03 70.07 60.00
832x624 74.55
800x600 119.93 99.86 72.19 75.00 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 119.80 99.83 75.00 72.81 66.67 60.00 59.94
720x400 70.08
HDMI-A-0 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 477mm x 268mm
1920x1080 60.00*+
1680x1050 60.00
1280x1024 60.02
1440x900 59.90
1280x800 59.91
1152x864 75.00
1280x720 60.00
1024x768 70.07 60.00
800x600 60.32 56.25
640x480 66.67 59.94
720x400 70.08
thomas@thomas-fixe:~$
thomas@thomas-fixe:~$ uname -a
Linux thomas-fixe 5.4.0-56-generic #62-Ubuntu SMP Mon Nov 23 19:20:19 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
thomas@thomas-fixe:~$
thomas@thomas-fixe:~$ dpkg -l | grep -v ^ii
Souhait=inconnU/Installé/suppRimé/Purgé/H=à garder
| État=Non/Installé/fichier-Config/dépaqUeté/échec-conFig/H=semi-installé/W=attend-traitement-déclenchements
|/ Err?=(aucune)/besoin Réinstallation (État,Err: majuscule=mauvais)
||/ Nom Version Architecture Description
+++-=============================================-===========================================-============-=======================================================================================================================
rc gst-omx-amdgpu 1.0.0.1-1098277 amd64 GStreamer OpenMAX plugins
rc latte-dock 0.9.11-0ubuntu1 amd64 Dock based on plasma frameworks
rc linux-image-5.4.0-26-generic 5.4.0-26.30 amd64 Signed kernel image generic
rc linux-image-5.4.0-47-generic 5.4.0-47.51 amd64 Signed kernel image generic
rc linux-modules-5.4.0-26-generic 5.4.0-26.30 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
rc linux-modules-5.4.0-47-generic 5.4.0-47.51 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
rc linux-modules-extra-5.4.0-26-generic 5.4.0-26.30 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
rc linux-modules-extra-5.4.0-47-generic 5.4.0-47.51 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
rc timgm6mb-soundfont 1.3-3 all TimGM6mb SoundFont from MuseScore 1.3
thomas@thomas-fixe:~$