Mon deuxième écran (en DVI) est reconnu et activé mais reste désespéramment noir, cela doit venir de la carte graphique AMD, même le changement de carte mère n'a pas résolu ce problème. Sous windows 10 cela fonctionne en trouvant le bon réglage dans le logiciel Radeon...
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System: Host: carbonate-mint-office Kernel: 5.4.0-70-generic x86_64 bits: 64 compiler: gcc
v: 7.5.0 Desktop: Cinnamon 4.4.8 wm: muffin dm: LightDM Distro: Linux Mint 19.3 Tricia
base: Ubuntu 18.04 bionic
Machine: Type: Desktop System: INTEL product: X99 v: N/A serial: <filter>
Mobo: INTEL model: X99 serial: <filter> UEFI: American Megatrends v: 5.11
date: 04/20/2020
Graphics: Device-1: AMD Tonga PRO [Radeon R9 285/380] vendor: PC Partner Limited driver: amdgpu
v: kernel bus ID: 02:00.0 chip ID: 1002:6939
Display: x11 server: X.Org 1.20.8 driver: amdgpu,ati unloaded: fbdev,modesetting,vesa
resolution: 1680x1050~60Hz
OpenGL:
renderer: AMD Radeon R9 380 Series (TONGA DRM 3.35.0 5.4.0-70-generic LLVM 10.0.0)
v: 4.6 Mesa 20.0.8 direct render: Yes
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$ inxi
CPU: 6-Core Intel Xeon E5-2620 v3 (-MT MCP-)
speed/min/max: 2594/1200/3200 MHz Kernel: 5.4.0-70-generic x86_64 Up: 5h 01m
Mem: 3066.9/15855.6 MiB (19.3%) Storage: 16.21 TiB (74.4% used) Procs: 341
Shell: bash 4.4.20 inxi: 3.0.32
$ inxi -G
Graphics:
Device-1: AMD Tonga PRO [Radeon R9 285/380] driver: amdgpu v: kernel
Display: x11 server: X.Org 1.20.8 driver: amdgpu,ati
unloaded: fbdev,modesetting,vesa resolution: 1680x1050~60Hz
OpenGL: renderer: AMD Radeon R9 380 Series (TONGA DRM 3.35.0
5.4.0-70-generic LLVM 10.0.0)
v: 4.6 Mesa 20.0.8
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$ xrandr
Screen 0: minimum 320 x 200, current 2960 x 1050, 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)
HDMI-A-0 connected primary 1680x1050+0+0 (normal left inverted right x axis y axis) 160mm x 90mm
1680x1050 59.95*+
1920x1080 60.00 50.00 59.94 30.00 25.00 24.00 29.97 23.98
1280x1024 75.02 60.02
1440x900 59.95
1280x960 60.00
1280x800 59.95
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 75.00 72.81 66.67 60.00 59.94
720x400 70.08
DVI-D-0 connected 1280x1024+1680+0 (normal left inverted right x axis y axis) 376mm x 301mm
1280x1024 60.02 + 75.02*
1280x800 60.02
1152x864 75.00
1280x720 60.02
1024x768 75.03 60.00
832x624 74.55
800x600 75.00 60.32
640x480 75.00 59.94
720x400 70.08
Je vous remercie pour avance pour éventuelles suggestions.