Hola, Problem with 2 monitors

seba_graf · 18 2024 12:31

Problema con la Resolución del Monitor al Usar Conversor VGA a HDMI en Manjaro
Espero que se encuentren bien. Me pongo en contacto con ustedes para solicitar asistencia con un problema que estoy experimentando con la configuración de mi monitor en Manjaro.
Descripción del Problema: Tengo dos monitores Samsung modelo LS27C36X. Uno está conectado a mi notebook Lenovo V330-14IKB mediante HDMI y funciona perfectamente a una resolución de 1920x1080. El segundo monitor está conectado a través de un adaptador VGA a HDMI. A pesar de mis esfuerzos, no he podido configurar este segundo monitor para que funcione a la resolución deseada de 1920x1080; la resolución máxima que puedo alcanzar es 1024x768.

Issue with Monitor Resolution Using VGA to HDMI Converter on Manjaro

I hope this message finds you well. I am reaching out to request assistance with an issue I am experiencing with my monitor setup on Manjaro.

Problem Description: I have two Samsung LS27C36X monitors. One is connected to my Lenovo V330-14IKB notebook via HDMI and works perfectly at a resolution of 1920x1080. The second monitor is connected through a VGA to HDMI adapter. Despite my efforts, I have been unable to configure this second monitor to operate at the desired resolution of 1920x1080; the maximum resolution I can achieve is 1024x768.

System Specifications:

OS: Manjaro Linux x86_64
Kernel: 6.9.5-1-MANJARO
CPU: Intel i5-8250U (8) @ 3.400GHz
GPU: Intel UHD Graphics 620
Desktop Environment: Plasma 6.0.5
RAM: 8GB (7808MiB)

Steps Taken:

I have updated all graphics and system drivers.
I have attempted to configure the resolution manually using xrandr without success.
I have tried different configurations in X11 files.

Commands and Outputs: Below is the output of the xrandr -q command for your reference:
Screen 0: minimum 320 x 200, current 4310 x 1080, maximum 16384 x 16384
eDP-1 connected primary 1366x768+2944+312 (normal left inverted right x axis y axis) 309mm x 173mm
1366x768 60.06*+
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
700x525 59.98
800x450 59.95 59.82
640x512 60.02
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
640x400 59.88 59.98
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
HDMI-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 598mm x 336mm
1920x1080 60.00*+ 74.97 50.00 59.94
1680x1050 59.88
1600x900 60.00
1280x1024 75.02 60.02
1440x900 59.90
1280x800 59.91
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 75.00 72.81 66.67 60.00 59.94
720x400 70.08
DP-1 connected 1024x768+1920+312 (normal left inverted right x axis y axis) 0mm x 0mm
640x480 59.94 +
1024x768 60.00*
800x600 60.32 56.25
848x480 60.00
HDMI-2 disconnected (normal left inverted right x axis y axis)

I would greatly appreciate any guidance or solution you can provide to resolve this issue and enable both monitors to operate at the desired resolution.

Thank you very much in advance for your help.

Best regards,

Sebastian Graf

dgdg · 18 2024 15:18

VGA connectors do not really support widescreen aspect ratios. So while technically VGA supports up to 2048x1536 (although good luck trying to get this to actually work in practice), I’m guessing that the maximum VGA resolution your monitor - or perhaps the HDMI adapter - supports is 1024x768, which is the highest widely supported VGA resolution.

Realistically, the only way you’re going to get that monitor running at 1080p is to use a native HDMI connection. I don’t believe it’s a Manjaro or even a Linux issue. The hardware simply doesn’t support what you want to do.

seba_graf · 18 2024 16:59

Thank you for taking the time to respond to my previous query. I would like to add some additional details and get more guidance on this issue.

New Details:
Recently, I tested my configuration with another distribution, Q4OS, and although I did not reach the full resolution of 1920x1080, I did get a higher resolution than in Manjaro, reaching 1280x720. This suggests that the adapter and monitor hardware may support higher resolution, but it appears that Manjaro has some limitation that prevents achieving higher resolution.

Additional Steps Taken:

I have updated all graphics and system drivers in Manjaro.
I have tried configuring the resolution manually using xrandr and X11 configuration files without success.
I have tested the same hardware with Q4OS and achieved a resolution of 1280x720.
Salida del Comando xrandr -q en Manjaro:
Screen 0: minimum 320 x 200, current 4310 x 1080, maximum 16384 x 16384
eDP-1 connected primary 1366x768+2944+312 (normal left inverted right x axis y axis) 309mm x 173mm
1366x768 60.06*+
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
700x525 59.98
800x450 59.95 59.82
640x512 60.02
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
640x400 59.88 59.98
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
HDMI-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 598mm x 336mm
1920x1080 60.00*+ 74.97 50.00 59.94
1680x1050 59.88
1600x900 60.00
1280x1024 75.02 60.02
1440x900 59.90
1280x800 59.91
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 75.00 72.81 66.67 60.00 59.94
720x400 70.08
DP-1 connected 1024x768+1920+312 (normal left inverted right x axis y axis) 0mm x 0mm
640x480 59.94 +
1024x768 60.00*
800x600 60.32 56.25
848x480 60.00
HDMI-2 disconnected (normal left inverted right x axis y axis)

Possible Additional Solutions:

Compare Settings: Are there any Q4OS-specific configuration files that could be facilitating the higher resolution we could replicate in Manjaro?

Force Resolution with Models: Could we try to force resolution in Manjaro using specific models? I’ve tried this before, but any specific suggestions might be helpful.

Drivers and Kernel Configuration: Are there any specific kernel or driver configurations that we could adjust to improve compatibility and resolution support in Manjaro?

Hardware Alternatives: Could it be useful to try a different adapter or some specific hardware that has better compatibility with Manjaro?

I appreciate any additional guidance you can provide to help me resolve this issue so I can use both monitors at the desired resolution.

Thanks in advance for your help.

Best regards,

Sebastian Graf

dgdg · 18 2024 18:18

1280x720 isn’t going to achieve your goal, so I’m not sure it’s that relevant. A VGA connection is not going to drive a monitor at 1920x1080, and your only real solution to achieve this would be to use HDMI, Displayport, or at a minimum dual-link DVI. As to why Manjaro doesn’t have this option, it is likely due to either kernel or mesa versions, neither of which you’ve given information on here. The output of inxi -Faz is always helpful here.

Secondly: if you want to ask ChatGPT or similar for help, feel free to do so. But I wouldn’t bother posting output from an LLM here, and everything after “Possible Additional Solutions” appears to be written by an LLM. It doesn’t even appear that you’ve taken the time to read it before posting here, considering that you’re apparently insisting on using the VGA connector and then in your own post suggest using “Hardware Alternatives.”

seba_graf · 19 2024 00:24

Thank you for your response and for pointing out the relevant issues. I understand that 1280x720 is insufficient to achieve my goal and that using a VGA to HDMI adapter may be limiting my ability to reach a resolution of 1920x1080. Below is the additional information requested about my system.

System:
  Kernel: 6.9.9-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 14.1.1
    clocksource: tsc avail: acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.9-x86_64
    root=UUID=ea481e75-d4c9-4841-962e-d3c908bd16d8 rw quiet splash
    resume=UUID=669e73c2-19e1-4065-9fd2-9fdfef94fa3b udev.log_priority=3
  Desktop: KDE Plasma v: 6.0.5 tk: Qt v: N/A info: frameworks v: 6.3.0
    wm: kwin_wayland vt: 1 dm: SDDM Distro: Manjaro base: Arch Linux
Machine:
  Type: Laptop System: LENOVO product: 81B0 v: Lenovo V330-14IKB
    serial: <superuser required> Chassis: type: 10 v: Lenovo V330-14IKB
    serial: <superuser required>
  Mobo: LENOVO model: LNVNB161216 v: SDK0J40697 WIN
    serial: <superuser required> part-nu: LENOVO_MT_81B0_BU_idea_FM_V330-14IKB
    uuid: <superuser required> UEFI-[Legacy]: LENOVO v: 6UCN63WW(V4.18)
    date: 06/17/2021
Battery:
  ID-1: BAT1 charge: 19.1 Wh (100.0%) condition: 19.1/30.0 Wh (63.7%)
    volts: 8.4 min: 7.6 model: 0x4C 0x47 0x43 0x00 0x31 0x42 0x4C 0x31 0x37
    0x32 0x50 0x42 type: Li-ion serial: <filter> status: not charging
    cycles: 447
CPU:
  Info: model: Intel Core i5-8250U bits: 64 type: MT MCP arch: Coffee Lake
    gen: core 8 level: v3 note: check built: 2017 process: Intel 14nm family: 6
    model-id: 0x8E (142) stepping: 0xA (10) microcode: 0xF4
  Topology: cpus: 1x cores: 4 tpc: 2 threads: 8 smt: enabled cache:
    L1: 256 KiB desc: d-4x32 KiB; i-4x32 KiB L2: 1024 KiB desc: 4x256 KiB
    L3: 6 MiB desc: 1x6 MiB
  Speed (MHz): avg: 437 high: 700 min/max: 400/3400 scaling:
    driver: intel_pstate governor: powersave cores: 1: 700 2: 400 3: 400 4: 400
    5: 400 6: 400 7: 400 8: 400 bogomips: 28808
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
  Vulnerabilities:
  Type: gather_data_sampling mitigation: Microcode
  Type: itlb_multihit status: KVM: VMX disabled
  Type: l1tf mitigation: PTE Inversion; VMX: conditional cache flushes, SMT
    vulnerable
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable
  Type: meltdown mitigation: PTI
  Type: mmio_stale_data mitigation: Clear CPU buffers; SMT vulnerable
  Type: reg_file_data_sampling status: Not affected
  Type: retbleed mitigation: IBRS
  Type: spec_rstack_overflow status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: IBRS; IBPB: conditional; STIBP: conditional;
    RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected
  Type: srbds mitigation: Microcode
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel UHD Graphics 620 vendor: Lenovo driver: i915 v: kernel
    arch: Gen-9.5 process: Intel 14nm built: 2016-20 ports:
    active: DP-1,HDMI-A-1,eDP-1 empty: HDMI-A-2 bus-ID: 00:02.0
    chip-ID: 8086:5917 class-ID: 0300
  Device-2: Bison SunplusIT Integrated Camera driver: uvcvideo type: USB
    rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 1-5:4 chip-ID: 5986:2113
    class-ID: 0e02
  Display: wayland server: X.org v: 1.21.1.13 with: Xwayland v: 24.1.1
    compositor: kwin_wayland driver: X: loaded: modesetting
    alternate: fbdev,vesa dri: iris gpu: i915 d-rect: 5206x1848 display-ID: 0
  Monitor-1: DP-1 pos: primary,top-left res: 1920x1080 size: N/A modes: N/A
  Monitor-2: HDMI-A-1 pos: top-center res: 1920x1080 size: N/A modes: N/A
  Monitor-3: eDP-1 pos: bottom-r res: 1366x768 size: N/A modes: N/A
  API: EGL v: 1.5 hw: drv: intel iris platforms: device: 0 drv: iris
    device: 1 drv: swrast surfaceless: drv: iris wayland: drv: iris x11:
    drv: iris inactive: gbm
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: intel mesa v: 24.1.3-manjaro1.1
    glx-v: 1.4 direct-render: yes renderer: Mesa Intel UHD Graphics 620 (KBL
    GT2) device-ID: 8086:5917 memory: 3.72 GiB unified: yes display-ID: :1.0
  API: Vulkan v: 1.3.279 layers: N/A device: 0 type: integrated-gpu
    name: Intel UHD Graphics 620 (KBL GT2) driver: mesa intel
    v: 24.1.3-manjaro1.1 device-ID: 8086:5917 surfaces: xcb,xlib,wayland
Audio:
  Device-1: Intel Sunrise Point-LP HD Audio vendor: Lenovo
    driver: snd_hda_intel v: kernel alternate: snd_soc_skl,snd_soc_avs
    bus-ID: 00:1f.3 chip-ID: 8086:9d71 class-ID: 0403
  API: ALSA v: k6.9.9-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: JACK v: 1.9.22 status: off tools: N/A
  Server-2: PipeWire v: 1.2.1 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin
    tools: pactl,pw-cat,pw-cli,wpctl
Network:
  Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
    vendor: Lenovo driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1
    port: 4000 bus-ID: 01:00.0 chip-ID: 10ec:8168 class-ID: 0200
  IF: enp1s0 state: down mac: <filter>
  Device-2: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter
    vendor: Lenovo driver: ath10k_pci v: kernel pcie: gen: 1 speed: 2.5 GT/s
    lanes: 1 bus-ID: 02:00.0 chip-ID: 168c:0042 class-ID: 0280
  IF: wlp2s0 state: up mac: <filter>
  Info: services: NetworkManager, systemd-timesyncd, wpa_supplicant
Bluetooth:
  Device-1: Qualcomm Atheros driver: btusb v: 0.8 type: USB rev: 2.0
    speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 1-6:5 chip-ID: 0cf3:e500
    class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 4 state: up address: see --recommends
Drives:
  Local Storage: total: 465.76 GiB used: 47.96 GiB (10.3%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/sda maj-min: 8:0 vendor: Crucial model: CT500BX500SSD1
    size: 465.76 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    tech: SSD serial: <filter> fw-rev: 061 scheme: MBR
Partition:
  ID-1: / raw-size: 456.96 GiB size: 448.72 GiB (98.20%)
    used: 47.96 GiB (10.7%) fs: ext4 dev: /dev/sda1 maj-min: 8:1
Swap:
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default) zswap: yes
    compressor: zstd max-pool: 20%
  ID-1: swap-1 type: partition size: 8.8 GiB used: 0 KiB (0.0%) priority: -2
    dev: /dev/sda2 maj-min: 8:2
Sensors:
  System Temperatures: cpu: 45.0 C pch: 39.0 C mobo: N/A
  Fan Speeds (rpm): N/A
Info:
  Memory: total: 8 GiB available: 7.63 GiB used: 3.54 GiB (46.4%)
  Processes: 240 Power: uptime: 2h 15m states: freeze,mem,disk suspend: deep
    avail: s2idle wakeups: 1 hibernate: platform avail: shutdown, reboot,
    suspend, test_resume image: 3.04 GiB services: org_kde_powerdevil,
    power-profiles-daemon, upowerd Init: systemd v: 256 default: graphical
    tool: systemctl
  Packages: 1286 pm: pacman pkgs: 1263 libs: 355 tools: pamac,yay
    pm: flatpak pkgs: 14 pm: snap pkgs: 9 Compilers: clang: 18.1.8 gcc: 14.1.1
    Shell: Bash v: 5.2.26 running-in: konsole inxi: 3.3.35

Additional Context: I tested this setup with Q4OS and achieved a resolution of 1280x720, which suggests that the hardware can support more than what I am currently getting on Manjaro, although it does not reach 1920x1080. I understand that using HDMI, Displayport, or at least dual-link DVI would be the ideal solution to achieve 1920x1080, and I am considering these hardware alternatives.

Additional Questions:

Would it be helpful to try a different kernel version or update mesa on Manjaro?
Are there specific configurations I could adjust to improve compatibility and resolution support on Manjaro?
If I decide to switch to a different adapter, are there any specific recommendations to ensure the best compatibility with Manjaro?

I appreciate any further guidance you can provide to help me resolve this issue and use both monitors at the desired resolution.

Thank you again for your help.

Best regards

dgdg · 19 2024 02:29

Again, please read the output of your AI assistant before posting it. In addition to the writing style, you have again posted something with basic contradictions - in the first paragraph you acknowledge that VGA to HDMI adapters will not work, and then in additional questions you ask if switching adapter will fix things. Humans tend to be smarter than this.

There is no way of achieving what you want with a VGA to HDMI adapter. Unless you’re going to post something not written by an AI, this is the end of the discussion.

BG405 · 19 2024 04:35

Not true. My monitor (attached to the other laptop) is running at 1920x1080p @ 60Hz, with a straight VGA cable to the monitor, albeit with no conversion, without any issue.

No problem connecting it to this laptop, either. Both Lenovos, this one’s a T440 and the other is an IdeaPad the model number of which I haven’t a clue. (Labels have long gone and haven’t actually checked).

dgdg · 19 2024 11:24

OK, maybe it’s possible, and I was just cross with AI generated responses (apologies on this - I had to fail a final year student at my job due to this).

Without knowing the adapter being used, I’m not confident we know enough to suggest any fixes. However, I’d say it’s very likely that either the adapter has an issue with 1080p or the cable doesn’t have the signal integrity to support it. I’m not sure why Q4OS supports a higher resolution, but it still isn’t anywhere close to the target so I’m not sure it matters.

From the laptop specs, it looks like the laptop has a USB-C port supporting Alt-mode. I’d suggest that the simplest way of fixing things would be a USB-C to HDMI adapter. This would also deal with any issues that are likely to happen due to the use of VGA at a high resolution, like fuzzyness and crosstalk (which are pretty much inevitable, and part of the reason why I say VGA does not really support these resolutions, because these can cause health issues in some people).