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So, i was trying to use dual monitors in my Notebook (G531GT) with debian buster and i need help because i cant handle it :(. Graphics Card:

  • Intel Corporation UHD Graphics 630
  • GTX 1650 Laptop Version Unfortunately i have a lot of problems to install my NVIDIA Discrete Graphic Card

By now, i did i to work

 lspci -k | grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile)
    Subsystem: ASUSTeK Computer Inc. UHD Graphics 630 (Mobile)
    Kernel driver in use: i915
--
01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f91 (rev a1)
    Subsystem: ASUSTeK Computer Inc. Device 106f
    Kernel driver in use: nvidia

I can run optirun well, it work with applications. My problem is: I cant configure Xorg file to use Nvidia Discrete. When i do nvidia-xconfig --prime, the xorg.conf only work if i plug a monitor at the HDMI output, and the screen in my laptop is black!

If i delete the xorg.conf, and start, my X-Section use the Intel Corporation UHD Graphics 630, And i`m not able to use dual monitors!

I need help because i tried already a lot of things, a lot of xorg.conf configurations.

xorg.conf generated and edited by me working with HDMI output:

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    Inactive       "Device1"
    Inactive       "Device1"
    Inactive       "Device1"
    Inactive       "Device1"
    Inactive       "Device1"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
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"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID          "PCI:1:0:0"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "modesetting"
    VendorName     "Unknown"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "modesetting"
    VendorName     "Unknown"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "modesetting"
    VendorName     "Unknown"
EndSection
 Section "Device"
    Identifier     "Device1"
    Driver         "modesetting"
    VendorName     "Unknown"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "modesetting"
    VendorName     "Unknown"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "AllowEmptyInitialConfiguration" "True"
    #Option "UseDisplayDevice" "none"  #IF I USE THIS OPTION, THAN I GET BOTH OF MY MONITORS BLACK. EX: MY LAPTOP SCREEN AND HDMI MONITOR WITH BLACK SCREEN
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

One weird thing too is: I Cant select the "PRIME Profiles", It doesnt exist. Here is the photo explaining: https://ibb.co/zb8rW7s

Please, i tried everything and cant handle with that...

  • I have solved it and i will post the answer soon, after 3 days but i did it! – MrMineToons Aug 26 '20 at 21:18

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