Installing from usb, resolution stuck in 640x480 preventing installation

Support
1

Hey all, I’ve been using Manjaro in a VM for a while but am encountering an issue preventing a hardware installation.

Native monitor resolution is 2560x1440 @ 144hz

When booting to the live USB, grub and most of the startup process displays fine until around the time the startup script finishes then the screen resizes to a tiny 640x480 box.

Can not continue with installation as the windows for calamaries are larger than 640x480 so I can not interact with the installation.

Display settings only show the option of 640x480 @ 60hz

If I had an actual installation I think I would try to add a 10_monitor.conf to the X11 conf but this is useless in my situation as I am still on the live USB ISO which is immutable.

Please help this is incredibly frustrating. Thank you.

2

Additional info:

[manjaro@manjaro ~]$ inxi -Fxz
System:
  Kernel: 5.10.42-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0 
  Desktop: KDE Plasma 5.21.5 Distro: Manjaro Linux base: Arch Linux 
Machine:
  Type: Desktop System: ASUS product: N/A v: N/A serial: <filter> 
  Mobo: ASUSTeK model: ROG STRIX TRX40-XE GAMING v: Rev 1.xx 
  serial: <filter> UEFI: American Megatrends v: 1402 date: 01/15/2021 
Battery:
  Device-1: hid-0003:17EF:60EE.0004-battery 
  model: Lenovo TrackPoint Keyboard II charge: N/A status: N/A 
CPU:
  Info: 24-Core (3-Die) model: AMD Ryzen Threadripper 3960X bits: 64 
  type: MT MCP MCM arch: Zen 2 rev: 0 cache: L2: 12 MiB 
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm 
  bogomips: 364224 
  Speed: 2194 MHz min/max: 2200/3800 MHz boost: enabled 
  Core speeds (MHz): 1: 2194 2: 2193 3: 2194 4: 2195 5: 2194 6: 2194 
  7: 2196 8: 2195 9: 2194 10: 2195 11: 2196 12: 2193 13: 2196 14: 2197 
  15: 2198 16: 2196 17: 2191 18: 2196 19: 2194 20: 2192 21: 1971 
  22: 3590 23: 2052 24: 2052 25: 2194 26: 2192 27: 2195 28: 2191 
  29: 2194 30: 2193 31: 2195 32: 2195 33: 2193 34: 2196 35: 3588 
  36: 2195 37: 2195 38: 2195 39: 2194 40: 2197 41: 2195 42: 2196 
  43: 2195 44: 2054 45: 2194 46: 2195 47: 2192 48: 2195 
Graphics:
  Device-1: AMD vendor: XFX Limited driver: amdgpu v: kernel 
  bus-ID: 03:00.0 
  Display: server: X.Org 1.20.11 driver: loaded: amdgpu,ati 
  unloaded: modesetting,radeon resolution: 640x480~60Hz 
  OpenGL: 
  renderer: AMD SIENNA_CICHLID (DRM 3.40.0 5.10.42-1-MANJARO LLVM 12.0.0) 
  v: 4.6 Mesa 21.1.2 direct render: Yes 
Audio:
  Device-1: AMD driver: snd_hda_intel v: kernel bus-ID: 03:00.1 
  Device-2: AMD Starship/Matisse HD Audio vendor: ASUSTeK driver: N/A 
  bus-ID: 22:00.4 
  Device-3: ASUSTek USB Audio type: USB 
  driver: hid-generic,snd-usb-audio,usbhid bus-ID: 9-6:7 
  Sound Server-1: ALSA v: k5.10.42-1-MANJARO running: yes 
  Sound Server-2: JACK v: 0.125.0 running: no 
  Sound Server-3: PulseAudio v: 14.2 running: yes 
  Sound Server-4: PipeWire v: 0.3.30 running: no 
Network:
  Device-1: Realtek RTL8125 2.5GbE vendor: ASUSTeK driver: r8169 
  v: kernel port: c000 bus-ID: 43:00.0 
  IF: enp67s0 state: down mac: <filter> 
  Device-2: Intel I211 Gigabit Network vendor: ASUSTeK driver: igb 
  v: kernel port: b000 bus-ID: 44:00.0 
  IF: enp68s0 state: up speed: 1000 Mbps duplex: full mac: <filter> 
  Device-3: Intel Wi-Fi 6 AX200 driver: iwlwifi v: kernel port: b000 
  bus-ID: 45:00.0 
  IF: wlp69s0 state: down mac: <filter> 
Bluetooth:
  Device-1: Intel AX200 Bluetooth type: USB driver: btusb v: 0.8 
  bus-ID: 7-6:3 
  Report: rfkill ID: hci0 rfk-id: 1 state: up address: see --recommends 
Drives:
  Local Storage: total: 1.94 TiB used: 0 KiB (0.0%) 
  ID-1: /dev/nvme0n1 vendor: Western Digital model: WDS200T1X0E-00AFY0 
  size: 1.82 TiB temp: 49.9 C 
  ID-2: /dev/sda type: USB vendor: Samsung model: Flash Drive 
  size: 119.51 GiB 
Partition:
  Message: No partition data found. 
Swap:
  Alert: No swap data was found. 
Sensors:
  System Temperatures: cpu: 44.0 C mobo: 0 C gpu: amdgpu temp: 40.0 C 
  Fan Speeds (RPM): N/A gpu: amdgpu fan: 0 
Info:
  Processes: 678 Uptime: 28m Memory: 125.73 GiB used: 5.13 GiB (4.1%) 
  Init: systemd Compilers: gcc: N/A Packages: 1218 Shell: Bash v: 5.1.8 
  inxi: 3.3.04
3

I also think I may be able to manually set the output resolution via xrandr, unfortunately I am new to xrandr so my attempts so far to add a 2560x1440 output results in an out of range error, I must be doing it wrong.

4

Ok solved. Was on the right track with xrandr, solution was as follows:

xrandr --newmode "2560x1440R"  241.50  2560 2608 2640 2720  1440 1443 1448 1481 +hsync -vsync

xrandr --addmode DisplayPort-0 2560x1440R

From there use " xrandr – output" or select via GUI.

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5

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