Всем привет.
Ubuntu 18.04 на ноуте Asus GL552VW-DH71 c видеокартой Nvidia Geforxe GTX 960M.
Processor: Intel® Core™ i7-6700HQ CPU @ 2.60GHz × 8
Graphics: GeForce GTX 960M/PCIe/SSE2
GNOME: 3.28.2
Подключен монитор 4к Dell S2721QS по кабелю HDMI 2.0 (шел с монитором) - другого выхода на ноуте нет.
Поставленны дравера Nvidia.
$ lshw -c video
WARNING: you should run this program as super-user.
*-display
description: 3D controller
product: GM107M [GeForce GTX 960M]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a2
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: irq:133 memory:de000000-deffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:e000(size=128) memory:df000000-df07ffff
*-display
description: VGA compatible 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: vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:130 memory:dd000000-ddffffff memory:b0000000-bfffffff ioport:f000(size=64) memory:c0000-dffff
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
Монитор определяется:
$ xrandr
Screen 0: minimum 8 x 8, current 5760 x 2160, maximum 16384 x 16384
eDP-1-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1920x1080 60.02*+ 60.01 59.97 59.96 59.93
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1440x900 59.89
1400x900 59.96 59.88
1280x960 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1360x768 59.80 59.96
1280x800 59.99 59.97 59.81 59.91
1152x864 60.00
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
DP-1-1 disconnected (normal left inverted right x axis y axis)
HDMI-1-1 disconnected (normal left inverted right x axis y axis)
HDMI-1-2 connected 3840x2160+1920+0 (normal left inverted right x axis y axis) 597mm x 336mm
3840x2160 30.00* 25.00 24.00 29.97 23.98
2560x1440 59.95
2048x1280 59.99
1920x1080 60.00 60.00 50.00 59.94 25.00 24.00 23.98
1920x1080i 60.00 50.00 59.94
1600x1200 60.00
1600x900 60.00
1280x1024 75.02 60.02
1152x864 75.00
1280x720 60.00 59.94
1024x768 75.03 60.00
800x600 75.00 60.32
720x576 50.00
720x576i 50.00
720x480 60.00 59.94
720x480i 60.00 59.94
640x480 75.00 60.00 59.94
720x400 70.08
DP-1-2 disconnected (normal left inverted right x axis y axis)
HDMI-1-3 disconnected (normal left inverted right x axis y axis)
При включении ноута на монитре вижу картинку, потом картинка исчезает (когда начинают стартовать X сервер) и монитор пишет что нет сигнала.
Если сделать скриншот то на картинке видно два рабочих стола - с экрана ноута и монитора.
Подскажите куда копать ?
Заранее спасибо.