| Problema | Posible solución |
|----------|------------------|
| “BadName” al agregar modo | Reinicia X (Ctrl + Alt + Backspace) o reinicia sesión. |
| Resolución se restablece al reiniciar | Usa el script de arranque o instala arandr y guarda configuración. |
| No aparece el control de pantalla | Instala: sudo apt install arandr y ejecútalo. |
Abre la terminal y escribe:
xrandr
Esto mostrará las salidas de video (ej. LVDS-1, VGA-1, HDMI-1) y las resoluciones disponibles.
Para cambiar la resolución:
xrandr --output LVDS-1 --mode 1366x768
Reemplaza LVDS-1 con tu salida real y 1366x768 con la resolución deseada. cambiar resolucion de pantalla canaima letras rojas
| Action | Command |
| :--- | :--- |
| Check current resolution | xrandr |
| Calculate resolution timing | cvt 1024 600 60 |
| Create new resolution mode | xrandr --newmode [paste cvt output] |
| Attach mode to screen | xrandr --addmode [Output Name] [Mode Name] |
| Edit Boot Resolution | sudo nano /etc/default/grub |
| Update Boot Config | sudo update-grub |
The most powerful tool is xrandr (X Resize and Rotate). Open your terminal (Ctrl + Alt + T). Yes, you will see red text for warnings—ignore that, we work in white and green.
Al abrir la configuración de "Monitores" o "Pantalla" en una Canaima (normalmente con entorno gráfico LXDE o Mate), al intentar aplicar una resolución diferente a la nativa (por ejemplo, de 1024x768 a 1366x768) puede lanzarse un cuadro de diálogo con texto rojo que dice algo como:
Esto ocurre porque:
No te preocupes. A continuación, te mostramos cómo resolverlo paso a paso.
Temporary xrandr changes vanish after reboot. To make them stick:
nano ~/.screenfix.sh
#!/bin/bash
xrandr --newmode "1366x768_60.00" 85.25 1366 1440 1576 1784 768 771 781 798 -hsync +vsync
xrandr --addmode LVDS-1 "1366x768_60.00"
xrandr --output LVDS-1 --mode "1366x768_60.00"
The red letters in Canaima’s terminal are not a death sentence. They are the old growth rings of a system that prioritizes function over polish. Every time you see [FAILED] in crimson, remember: you are one xrandr command away from clarity.
Whether you are a student trying to read a PDF, a teacher projecting slides, or a nostalgic tinkerer keeping a national icon alive—you can change that resolution. Abre la terminal y escribe: xrandr
And when you finally see your desktop in crisp, proper 1366x768, those red letters in the terminal won’t bother you anymore. They’ll just be a reminder: you won.
Need more help?
Check your specific Canaima model: sudo dmidecode -s system-product-name. Then search for “graphics driver [your model] Debian” – because behind the green shell, Canaima is just Debian waiting to be tamed.
Have you fixed your Canaima’s resolution? Share your story on the open source forums. ¡Patria, Socialismo, y Resolución Correcta!