No external display linux mint

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Nvidia, no external display [SOLVED]

Post by PhilippeR » Thu Mar 03, 2022 7:07 am

Hello,
I have a laptop with both Windows 11 and Linux Mint. It has dual graphics (laptop + HDMI).
On Windows, no problem : both displays are working fine at the same time.
On LM, the external display was not recognized. I have tested many things, but with few success.
Finally, I have reinstalled a fresh LM and install kernel 5.13.
But no additional display recognized.
I have tried the Xserver-xorg driver. Then I have a significant improvement : The external display is recognized. But the screen is black, and I can see only the cursor of the mouse moving on the screen. Windows and background are not displayed. When I exit the session, I can see the LM green logo on both screens.
Then, if I change the driver to Nvidia-510, nothing change, and I have access to the Nvida-prime-applet. It’s configured to Performance Mode. If I try to switch to Set on Demand, I go back to the initial situation, without recognition of the external screen.
My config :

System: Kernel: 5.13.0-30-generic x86_64 bits: 64 compiler: N/A Desktop: Cinnamon 5.2.7 wm: muffin 5.2.0 dm: LightDM 1.30.0 Distro: Linux Mint 20.3 Una base: Ubuntu 20.04 focal Machine: Type: Laptop System: Acer product: Nitro AN515-55 v: V2.01 serial: Mobo: CML model: Stonic_CMS v: V2.01 serial: UEFI: Insyde v: 2.01 date: 01/07/2021 Battery: ID-1: BAT1 charge: 48.7 Wh condition: 48.8/57.5 Wh (85%) volts: 16.9/15.4 model: LGC AP18E8M type: Li-ion serial: status: Unknown CPU: Topology: Quad Core model: Intel Core i5-10300H bits: 64 type: MT MCP arch: N/A L2 cache: 8192 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 39999 Speed: 800 MHz min/max: 800/4500 MHz Core speeds (MHz): 1: 800 2: 800 3: 805 4: 804 5: 900 6: 900 7: 849 8: 800 Graphics: Device-1: Intel UHD Graphics vendor: Acer Incorporated ALI driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:9bc4 Device-2: NVIDIA vendor: Acer Incorporated ALI driver: nouveau v: kernel bus ID: 01:00.0 chip ID: 10de:2520 Display: x11 server: X.Org 1.20.13 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~144Hz, 2560x1440~60Hz OpenGL: renderer: Mesa Intel UHD Graphics (CML GT2) v: 4.6 Mesa 21.2.6 direct render: Yes Audio: Device-1: Intel Comet Lake PCH cAVS vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel bus ID: 00:1f.3 chip ID: 8086:06c8 Device-2: NVIDIA vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel bus ID: 01:00.1 chip ID: 10de:228e Sound Server: ALSA v: k5.13.0-30-generic Network: Device-1: Intel Wi-Fi 6 AX201 driver: iwlwifi v: kernel port: 5000 bus ID: 00:14.3 chip ID: 8086:06f0 IF: wlp0s20f3 state: up mac: Device-2: Realtek vendor: Acer Incorporated ALI driver: r8169 v: kernel port: 3000 bus ID: 07:00.0 chip ID: 10ec:2600 IF: enp7s0 state: down mac: Drives: Local Storage: total: 476.94 GiB used: 26.55 GiB (5.6%) ID-1: /dev/nvme0n1 vendor: Western Digital model: PC SN530 SDBPNPZ-512G-1114 size: 476.94 GiB speed: 31.6 Gb/s lanes: 4 serial: rev: 21113000 scheme: GPT Partition: ID-1: / size: 136.48 GiB used: 26.50 GiB (19.4%) fs: ext4 dev: /dev/nvme0n1p5 Sensors: System Temperatures: cpu: 55.0 C mobo: N/A Fan Speeds (RPM): N/A Repos: No active apt repos in: /etc/apt/sources.list Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 1: deb http://packages.linuxmint.com una main upstream import backport #id:linuxmint_main 2: deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse 3: deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse 4: deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse 5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse 6: deb http://archive.canonical.com/ubuntu/ focal partner Info: Processes: 287 Uptime: 3m Memory: 23.31 GiB used: 1.33 GiB (5.7%) Init: systemd v: 245 runlevel: 5 target: graphical.target Compilers: gcc: 9.3.0 alt: 9 Shell: bash v: 5.0.17 running in: gnome-terminal inxi: 3.0.38 

Note : no /etc/X11/xorg.conf file.
It seems that I am close to the solution, but I don’t find it. Could someone help me?
Thanks in advance.

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Last edited by LockBot on Wed Dec 28, 2022 7:16 am, edited 2 times in total.
Reason: Topic automatically closed 6 months after creation. New replies are no longer allowed.

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Laptop not detecting external monitor

Post by andisk » Wed Jul 22, 2020 10:34 am

I am using Mint 20 Ulyana/Win10 dual boot on my Lenovo Flex 5 laptop. I tried connecting to an external monitor using an HDMI cable but it is not detected. To check that there is no issue with the monitor or the cable, I tried the same thing logging in to windows 10 and it works fine.

Display settings in mint does not detect any external monitor.

My external monitor is DELL P2317H

How do I solve this issue?

Here is screenshot of xrandr -verbose

andre@Flex-5-mint-pc:~$ xrandr --verbose xrandr: Failed to get size of gamma for output default Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080 default connected primary 1920x1080+0+0 (0x3a5) normal (normal) 0mm x 0mm Identifier: 0x3a4 Timestamp: 10707 Subpixel: unknown Clones: CRTC: 0 CRTCs: 0 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: non-desktop: 0 supported: 0, 1 1920x1080 (0x3a5) 159.667MHz *current h: width 1920 start 0 end 0 total 1920 skew 0 clock 83.16KHz v: height 1080 start 0 end 0 total 1080 clock 77.00Hz
System: Host: Flex-5-mint-pc Kernel: 5.4.0-42-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 4.6.6 Distro: Linux Mint 20 Ulyana base: Ubuntu 20.04 focal Graphics: Device-1: AMD Renoir vendor: Lenovo driver: N/A bus ID: 04:00.0 Display: x11 server: X.Org 1.20.8 driver: ati,fbdev unloaded: modesetting,radeon,vesa resolution: 1920x1080~77Hz OpenGL: renderer: llvmpipe (LLVM 10.0.0 128 bits) v: 3.3 Mesa 20.0.8 direct render: Yes 

Last edited by LockBot on Wed Dec 28, 2022 7:16 am, edited 1 time in total.
Reason: Topic automatically closed 6 months after creation. New replies are no longer allowed.

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