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将 nvidia-setting 保存到 xorg.conf 后，主显示器被禁用

tag-icon • tag-icon drivers nvidia xorg multiple-monitors
将 nvidia-setting 保存到 xorg.conf 后，主显示器被禁用


我遇到这个问题已经有一段时间了，当我尝试将 nvidia 设置保存到 xorg.conf 中时，我的主显示器被禁用。
过程：
我打开 nvidia 设置，然后转到第二台显示器设置，单击高级并检查“强制完整合成管道”，然后尝试保存设置。重新启动后，我的主显示器变黑，背光亮起，gdm 无法检测到它。

在此处输入图片描述在此处输入图片描述在此处输入图片描述在此处输入图片描述在此处输入图片描述 这是 xorg.conf：

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 440.64

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "0"
EndSection

Section "Files"
EndSection

Section "Module"
    Load           "dbe"
    Load           "extmod"
    Load           "type1"
    Load           "freetype"
    Load           "glx"
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     "Unknown"
    ModelName      "Ancor Communications Inc ASUS VC239"
    HorizSync       24.0 - 83.0
    VertRefresh     50.0 - 75.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 1650"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "DFP-2"
    Option         "metamodes" "nvidia-auto-select +1920+0 {ForceCompositionPipeline=On, ForceFullCompositionPipeline=On}"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

$ ubuntu 驱动程序列表

nvidia-driver-440, (kernel modules provided by linux-modules-nvidia-440-generic-hwe-20.04)
nvidia-driver-435, (kernel modules provided by nvidia-dkms-435)
backport-iwlwifi-dkms, (kernel modules provided by backport-iwlwifi-dkms)

系统信息

System:    Host: ubuntu-pc Kernel: 5.4.0-28-generic x86_64 bits: 64 Desktop: Gnome 3.36.1 
           Distro: Ubuntu 20.04 LTS (Focal Fossa) 
CPU:       Topology: Quad Core model: Intel Core i5-9300H bits: 64 type: MT MCP L2 cache: 8192 KiB 
           Speed: 1300 MHz min/max: 800/2400 MHz Core speeds (MHz): 1: 1300 2: 1300 3: 1300 4: 1300 5: 1300 6: 1300 7: 1300 
           8: 1300 
Graphics:  Device-1: Intel UHD Graphics 630 driver: i915 v: kernel 
           Device-2: NVIDIA TU117M [GeForce GTX 1650 Mobile / Max-Q] driver: nvidia v: 435.21 
           Display: x11 server: X.Org 1.20.8 driver: modesetting,nvidia unloaded: fbdev,nouveau,vesa 
           resolution: 1920x1080~60Hz, 1920x1080~60Hz 
           OpenGL: renderer: GeForce GTX 1650/PCIe/SSE2 v: 4.6.0 NVIDIA 435.21

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