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双 GPU 双显示设置：显示器黑屏但已检测到

tag-icon • tag-icon xorg xrandr multi-monitor gpu
双 GPU 双显示设置：显示器黑屏但已检测到

我最近在 Windows 10 上安装了 linux，并且尝试像在 Windows 上使用第二台显示器一样使用它。
第一个显示器连接到 GTX 770，第二个显示器连接到 iGPU。我已经设置了一个 xorg.conf 文件来使用两个监视器，但只有第一个可用。第二个是黑色的（它有点工作，因为我可以在其上移动鼠标并看到指针，但我无法在其上拖动窗口。
此外，当我运行xrandr --query或xrandr --listmonitors只看到第一个屏幕（HDMI-0）时：显然，第二个显示器（HDMI1）甚至没有被检测到，但是当我运行时，xrandr --screen 1它显示第二个屏幕（HDMI1）很好：已连接，工作，分辨率自动分配（甚至正确），...问题是我找不到让它可用的方法。
有什么建议吗？
注意：我正在使用 nvidia 驱动程序。

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 375.66  (build-user@build-machine)  Mon Aug 21 18:17:00 UTC 2017

Section "ServerLayout"
    Identifier     "Default"
    Screen      0  "Screen0"
    Screen      1  "Screen1" RightOf "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "off"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    # HorizSync source: edid, VertRefresh source: edid
    Identifier     "Monitor0"
    VendorName     "Philips"
    ModelName      "Philips 239CQH"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 76.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Samsung"
    HorizSync      30.0 - 83.0
    VertRefresh    56.0 - 76.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 770"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "intel"
    VendorName     "Intel Corporation"
    BusID          "PCI:0:2:0"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "metamodes" "nvidia-auto-select +0+0"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    Option         "TwinView" "off"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth   24
    Option         "TwinView" "off"
    SubSection "Display"
        Depth 24
    EndSubSection
EndSection

xrandr --屏幕 0

HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 509mm x 286mm
   1920x1080     60.00*+  59.94    50.00    60.00    50.04  
   1680x1050     59.95  
   1440x900      74.98    59.89  
   1280x1024     75.02    60.02  
   1280x720      60.00    59.94    50.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   720x576       50.00  
   720x480       59.94  
   640x480       75.00    72.81    59.94    59.93

xrandr --屏幕 1

HDMI1 connected primary 1680x1050+0+0 (normal left inverted right x axis y axis) 430mm x 270mm
   1680x1050     59.95*+
   1280x1024     75.02    60.02  
   1280x960      60.00  
   1152x864      75.00  
   1024x768      75.03    70.07    60.00  
   832x624       74.55  
   800x600       72.19    75.00    60.32    56.25  
   640x480       75.00    72.81    66.67    59.94  
   720x400       70.08

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