I installed EndeavourOS with KDE on my recently bought laptop, but I’m not able to make the second external monitor work. The HDMI connection seems to work fine, but the Mini DisplayPort is not recognized in xrandr. Checking the Xorg logs indicates that those displays are disconnected:
[ 10.311] Kernel command line: BOOT_IMAGE=/@/boot/vmlinuz-linux-lts root=UUID=c7c37d6b-d887-4307-aa9b-c319eb059187 rw rootflags=subvol=@ nowatchdog nvme_load=YES resume=UUID=fd6b6c0d-86e3-4679-b526-444b03549980 nvidia_drm.modeset=1 loglevel=3
[ 10.317] (**) OutputClass "nvidia" ModulePath extended to "/usr/lib/nvidia/xorg,/usr/lib/xorg/modules,/usr/lib/xorg/modules"
[ 10.317] (**) OutputClass "nvidia" setting /dev/dri/card0 as PrimaryGPU
[ 10.320] (II) Applying OutputClass "nvidia" to /dev/dri/card0
[ 10.320] loading driver: nvidia
[ 10.320] (==) Matched nvidia as autoconfigured driver 0
[ 10.320] (II) LoadModule: "nvidia"
[ 10.320] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
[ 10.325] (II) Module nvidia: vendor="NVIDIA Corporation"
[ 10.327] (II) NVIDIA dlloader X Driver 575.64.03 Wed Jun 25 18:08:44 UTC 2025
[ 10.327] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[ 10.334] (II) NVIDIA(0): Creating default Display subsection in Screen section
[ 10.334] (==) NVIDIA(0): Depth 24, (==) framebuffer bpp 32
[ 10.334] (==) NVIDIA(0): RGB weight 888
[ 10.334] (==) NVIDIA(0): Default visual is TrueColor
[ 10.334] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[ 10.334] (II) Applying OutputClass "nvidia" options to /dev/dri/card0
[ 10.334] (**) NVIDIA(0): Option "AllowEmptyInitialConfiguration"
[ 10.334] (**) NVIDIA(0): Enabling 2D acceleration
[ 10.334] (II) Loading sub module "glxserver_nvidia"
[ 10.334] (II) LoadModule: "glxserver_nvidia"
[ 10.335] (II) Loading /usr/lib/nvidia/xorg/libglxserver_nvidia.so
[ 10.425] (II) Module glxserver_nvidia: vendor="NVIDIA Corporation"
[ 10.425] (II) NVIDIA GLX Module 575.64.03 Wed Jun 25 18:11:49 UTC 2025
[ 10.425] (II) NVIDIA: The X server supports PRIME Render Offload.
[ 10.427] (--) NVIDIA(0): Valid display device(s) on GPU-0 at PCI:1:0:0
[ 10.427] (--) NVIDIA(0): DFP-0
[ 10.427] (--) NVIDIA(0): DFP-1
[ 10.427] (--) NVIDIA(0): DFP-2 (boot)
[ 10.427] (--) NVIDIA(0): DFP-3
[ 10.445] (II) NVIDIA(0): NVIDIA GPU NVIDIA GeForce RTX 4050 Laptop GPU (AD107-A) at
[ 10.445] (II) NVIDIA(0): PCI:1:0:0 (GPU-0)
[ 10.445] (--) NVIDIA(0): Memory: 6288384 kBytes
[ 10.445] (--) NVIDIA(0): VideoBIOS: 95.07.19.00.38
[ 10.445] (II) NVIDIA(0): Detected PCI Express Link width: 8X
[ 10.486] (--) NVIDIA(GPU-0): DFP-0: disconnected
[ 10.486] (--) NVIDIA(GPU-0): DFP-0: Internal DisplayPort
[ 10.486] (--) NVIDIA(GPU-0): DFP-0: 2670.0 MHz maximum pixel clock
[ 10.486] (--) NVIDIA(GPU-0):
[ 10.550] (--) NVIDIA(GPU-0): DFP-1: disconnected
[ 10.550] (--) NVIDIA(GPU-0): DFP-1: Internal TMDS
[ 10.550] (--) NVIDIA(GPU-0): DFP-1: 165.0 MHz maximum pixel clock
[ 10.550] (--) NVIDIA(GPU-0):
[ 10.596] (--) NVIDIA(GPU-0): Samsung T24B350 (DFP-2): connected
[ 10.596] (--) NVIDIA(GPU-0): Samsung T24B350 (DFP-2): Internal TMDS
[ 10.596] (--) NVIDIA(GPU-0): Samsung T24B350 (DFP-2): 600.0 MHz maximum pixel clock
[ 10.596] (--) NVIDIA(GPU-0):
[ 10.596] (--) NVIDIA(GPU-0): DFP-3: disconnected
[ 10.596] (--) NVIDIA(GPU-0): DFP-3: Internal DisplayPort
[ 10.596] (--) NVIDIA(GPU-0): DFP-3: 2670.0 MHz maximum pixel clock
[ 10.596] (--) NVIDIA(GPU-0):
[ 10.624] (==) NVIDIA(0):
[ 10.624] (==) NVIDIA(0): No modes were requested; the default mode "nvidia-auto-select"
[ 10.624] (==) NVIDIA(0): will be used as the requested mode.
[ 10.624] (==) NVIDIA(0):
[ 10.627] (II) NVIDIA(0): Validated MetaModes:
[ 10.627] (II) NVIDIA(0): "DFP-2:nvidia-auto-select"
[ 10.627] (II) NVIDIA(0): Virtual screen size determined to be 1920 x 1080
[ 10.787] (--) NVIDIA(0): DPI set to (92, 91); computed from "UseEdidDpi" X config
[ 10.787] (--) NVIDIA(0): option
[ 10.932] (II) NVIDIA: Reserving 24576.00 MB of virtual memory for indirect memory
[ 10.932] (II) NVIDIA: access.
[ 10.938] (WW) NVIDIA(0): ACPI: failed to determine the system's current power source
[ 10.938] (II) NVIDIA(0): ACPI: failed to connect to the ACPI event daemon; the daemon
[ 10.938] (II) NVIDIA(0): may not be running or the "AcpidSocketPath" X
[ 10.938] (II) NVIDIA(0): configuration option may not be set correctly. When the
[ 10.938] (II) NVIDIA(0): ACPI event daemon is available, the NVIDIA X driver will
[ 10.938] (II) NVIDIA(0): try to use it to receive ACPI event notifications. For
[ 10.938] (II) NVIDIA(0): details, please see the "ConnectToAcpid" and
[ 10.938] (II) NVIDIA(0): "AcpidSocketPath" X configuration options in Appendix B: X
[ 10.938] (II) NVIDIA(0): Config Options in the README.
[ 10.989] (II) NVIDIA(0): Setting mode "DFP-2:nvidia-auto-select"
[ 11.032] (==) NVIDIA(0): Disabling shared memory pixmaps
[ 11.032] (==) NVIDIA(0): Backing store enabled
[ 11.032] (==) NVIDIA(0): Silken mouse enabled
[ 11.032] (==) NVIDIA(0): DPMS enabled
[ 11.032] (WW) NVIDIA(0): Option "PrimaryGPU" is not used
[ 11.032] (II) NVIDIA(0): [DRI2] Setup complete
[ 11.032] (II) NVIDIA(0): [DRI2] VDPAU driver: nvidia
[ 11.716] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=3 (/dev/input/event11)
[ 11.717] (**) HDA NVidia HDMI/DP,pcm=3: Applying InputClass "devname"
[ 11.717] (II) Using input driver 'libinput' for 'HDA NVidia HDMI/DP,pcm=3'
[ 11.717] (**) HDA NVidia HDMI/DP,pcm=3: always reports core events
[ 11.718] (II) event11 - HDA NVidia HDMI/DP,pcm=3: is tagged by udev as: Switch
[ 11.770] (EE) libinput: HDA NVidia HDMI/DP,pcm=3: Failed to create a device for /dev/input/event11
[ 11.770] (EE) PreInit returned 2 for "HDA NVidia HDMI/DP,pcm=3"
[ 11.771] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=7 (/dev/input/event13)
[ 11.771] (**) HDA NVidia HDMI/DP,pcm=7: Applying InputClass "devname"
[ 11.771] (II) Using input driver 'libinput' for 'HDA NVidia HDMI/DP,pcm=7'
[ 11.771] (**) HDA NVidia HDMI/DP,pcm=7: always reports core events
[ 11.772] (II) event13 - HDA NVidia HDMI/DP,pcm=7: is tagged by udev as: Switch
[ 11.823] (EE) libinput: HDA NVidia HDMI/DP,pcm=7: Failed to create a device for /dev/input/event13
[ 11.823] (EE) PreInit returned 2 for "HDA NVidia HDMI/DP,pcm=7"
[ 11.824] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=8 (/dev/input/event14)
[ 11.824] (**) HDA NVidia HDMI/DP,pcm=8: Applying InputClass "devname"
[ 11.824] (II) Using input driver 'libinput' for 'HDA NVidia HDMI/DP,pcm=8'
[ 11.824] (**) HDA NVidia HDMI/DP,pcm=8: always reports core events
[ 11.826] (II) event14 - HDA NVidia HDMI/DP,pcm=8: is tagged by udev as: Switch
[ 11.877] (EE) libinput: HDA NVidia HDMI/DP,pcm=8: Failed to create a device for /dev/input/event14
[ 11.877] (EE) PreInit returned 2 for "HDA NVidia HDMI/DP,pcm=8"
[ 11.877] (II) config/udev: Adding input device HDA NVidia HDMI/DP,pcm=9 (/dev/input/event15)
[ 11.878] (**) HDA NVidia HDMI/DP,pcm=9: Applying InputClass "devname"
[ 11.878] (II) Using input driver 'libinput' for 'HDA NVidia HDMI/DP,pcm=9'
[ 11.878] (**) HDA NVidia HDMI/DP,pcm=9: always reports core events
[ 11.879] (II) event15 - HDA NVidia HDMI/DP,pcm=9: is tagged by udev as: Switch
[ 11.930] (EE) libinput: HDA NVidia HDMI/DP,pcm=9: Failed to create a device for /dev/input/event15
[ 11.930] (EE) PreInit returned 2 for "HDA NVidia HDMI/DP,pcm=9"
[ 23.439] (--) NVIDIA(GPU-0): DFP-0: disconnected
[ 23.439] (--) NVIDIA(GPU-0): DFP-0: Internal DisplayPort
[ 23.439] (--) NVIDIA(GPU-0): DFP-0: 2670.0 MHz maximum pixel clock
[ 23.439] (--) NVIDIA(GPU-0):
[ 23.504] (--) NVIDIA(GPU-0): DFP-1: disconnected
[ 23.504] (--) NVIDIA(GPU-0): DFP-1: Internal TMDS
[ 23.504] (--) NVIDIA(GPU-0): DFP-1: 165.0 MHz maximum pixel clock
[ 23.504] (--) NVIDIA(GPU-0):
[ 23.550] (--) NVIDIA(GPU-0): Samsung T24B350 (DFP-2): connected
[ 23.550] (--) NVIDIA(GPU-0): Samsung T24B350 (DFP-2): Internal TMDS
[ 23.550] (--) NVIDIA(GPU-0): Samsung T24B350 (DFP-2): 600.0 MHz maximum pixel clock
[ 23.550] (--) NVIDIA(GPU-0):
[ 23.550] (--) NVIDIA(GPU-0): DFP-3: disconnected
[ 23.550] (--) NVIDIA(GPU-0): DFP-3: Internal DisplayPort
[ 23.550] (--) NVIDIA(GPU-0): DFP-3: 2670.0 MHz maximum pixel clock
xrandr
xrandr
Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 32767 x 32767
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm
1920x1080 60.00*+ 59.94 50.00 29.97 25.00 23.98
1680x1050 59.95
1600x900 60.00
1440x900 59.89
1366x768 59.79
1280x1024 75.02 60.02
1280x800 59.81
1280x720 60.00 59.94 50.00
1152x864 75.00
1024x768 75.03 70.07 60.00
800x600 75.00 72.19 60.32
720x576 50.00
720x480 59.94
640x480 75.00 72.81 59.94
DP-2 disconnected (normal left inverted right x axis y axis)
eDP-1-2 connected primary 1920x1080+1920+0 (normal left inverted right x axis y axis) 344mm x 193mm
1920x1080 165.02*+ 60.00 + 59.97 59.96 59.93
1680x1050 59.95 59.88
1400x1050 74.76 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 85.02 75.02 60.02
1400x900 59.96 59.88
1280x960 85.00 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1280x800 59.99 59.97 59.81 59.91
1152x864 75.00
1280x720 60.00 59.99 59.86 59.74
1024x768 85.00 75.05 60.04 85.00 75.03 70.07 60.00
1024x768i 86.96
960x720 85.00 75.00 60.00
928x696 75.00 60.05
896x672 75.05 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
832x624 74.55
960x540 59.96 59.99 59.63 59.82
800x600 85.00 75.00 70.00 65.00 60.00 85.14 72.19 75.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
700x525 74.76 59.98
800x450 59.95 59.82
640x512 85.02 75.02 60.02
700x450 59.96 59.88
640x480 85.09 60.00 85.01 72.81 75.00 59.94
720x405 59.51 58.99
720x400 85.04
684x384 59.88 59.85
640x400 59.88 59.98 85.08
576x432 75.00
640x360 59.86 59.83 59.84 59.32
640x350 85.08
512x384 85.00 75.03 70.07 60.00
512x384i 87.06
512x288 60.00 59.92
416x312 74.66
480x270 59.63 59.82
400x300 85.27 72.19 75.12 60.32 56.34
432x243 59.92 59.57
320x240 85.18 72.81 75.00 60.05
360x202 59.51 59.13
360x200 85.04
320x200 85.27
320x180 59.84 59.32
320x175 85.27
1680x1050 (0x1c5) 146.250MHz -HSync +VSync
h: width 1680 start 1784 end 1960 total 2240 skew 0 clock 65.29KHz
v: height 1050 start 1053 end 1059 total 1089 clock 59.95Hz
1280x1024 (0x1c9) 135.000MHz +HSync +VSync
h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 79.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 75.02Hz
1280x1024 (0x1ca) 108.000MHz +HSync +VSync
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 63.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.02Hz
1280x800 (0x1cb) 83.500MHz -HSync +VSync
h: width 1280 start 1352 end 1480 total 1680 skew 0 clock 49.70KHz
v: height 800 start 803 end 809 total 831 clock 59.81Hz
1152x864 (0x1cf) 108.000MHz +HSync +VSync
h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.50KHz
v: height 864 start 865 end 868 total 900 clock 75.00Hz
1024x768 (0x1d0) 78.750MHz +HSync +VSync
h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.02KHz
v: height 768 start 769 end 772 total 800 clock 75.03Hz
1024x768 (0x1d1) 75.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.48KHz
v: height 768 start 771 end 777 total 806 clock 70.07Hz
1024x768 (0x1d2) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
800x600 (0x1d4) 50.000MHz +HSync +VSync
h: width 800 start 856 end 976 total 1040 skew 0 clock 48.08KHz
v: height 600 start 637 end 643 total 666 clock 72.19Hz
800x600 (0x1d3) 49.500MHz +HSync +VSync
h: width 800 start 816 end 896 total 1056 skew 0 clock 46.88KHz
v: height 600 start 601 end 604 total 625 clock 75.00Hz
800x600 (0x1d5) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
640x480 (0x1d8) 31.500MHz -HSync -VSync
h: width 640 start 656 end 720 total 840 skew 0 clock 37.50KHz
v: height 480 start 481 end 484 total 500 clock 75.00Hz
640x480 (0x1da) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94Hz
I don’t have any idea about what to do; any help would be appreciated. Thank you!