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Troubleshooting Display Issues

If you're facing display issues like screen resolution problems, black screens, or no display output on Snigdha OS, follow this guide to get everything back to normal. Let’s fix it step by step! 🔧

1. Check Display Cable and Connection 🖥️🔌​

Is Your Display Properly Connected?​

  • Make sure your monitor or laptop screen is properly connected to the system.
  • If using an external monitor, ensure that the display cable (HDMI, VGA, DisplayPort, etc.) is firmly connected.
  • If applicable, check if the monitor is set to the correct input (HDMI1, HDMI2, etc.).

2. Check for External Display Detection 📺📱​

If you’re using multiple displays, your external monitor might not be recognized automatically.

  • Open the terminal and run:

    xrandr

    This will list all connected displays. If your external monitor isn't showing, you might need to force detection.

  • To detect the monitor manually:

    xrandr --auto

  • If the external monitor is still not detected, try to restart your system or use a different cable.

3. Set the Correct Display Resolution 🎨💻​

Sometimes, the wrong resolution can cause display issues. Use xrandr to set the correct resolution.

  • List available display modes:

    xrandr

  • To change the resolution:

    xrandr --output <DISPLAY_NAME> --mode <RESOLUTION>

    Example:

    xrandr --output HDMI-1 --mode 1920x1080

Replace <DISPLAY_NAME> and <RESOLUTION> with your actual display name and resolution.

4. Check Graphics Driver 🔧🖥️​

Is Your Graphics Driver Installed?​

Make sure you have the correct drivers installed for your graphics card.

  • For Intel graphics:

    sudo pacman -S xf86-video-intel

  • For NVIDIA graphics:

    sudo pacman -S nvidia nvidia-utils

  • For AMD graphics:

    sudo pacman -S xf86-video-amdgpu

After installing the necessary driver, restart your system:

sudo reboot

5. Reconfigure Xorg 🎨🛠️​

Sometimes, Xorg (the display server) configuration might cause issues.

  • Reconfigure Xorg by regenerating the configuration file:

    sudo Xorg -configure

  • Then restart the system:

    sudo reboot

6. Check Logs for Errors 📝🔍​

Check the system logs to find any errors related to the display.

  • View Xorg logs: 
    cat /var/log/Xorg.0.log

Look for error messages related to your graphics driver or display hardware.

7. Check Display Manager 🌐⚙️​

If you’re getting a black screen after logging in, it could be a problem with your display manager.

  • If using LightDM, restart it:

    sudo systemctl restart lightdm

  • If using GDM (GNOME Display Manager), restart it:

    sudo systemctl restart gdm

8. Update System 💻🔄​

Make sure your system is up to date, as outdated packages may cause display issues.

  • Update your system: 
    sudo pacman -Syu

This ensures all packages, including graphics drivers, are up to date.

9. Try Using a Different Display Server (Wayland vs Xorg) 🌙⚙️​

If you are facing issues with Xorg, try using Wayland instead, which is another display server protocol.

  • On GNOME, you can choose Wayland or Xorg from the login screen (click the gear icon after selecting your user).

10. Reboot Your System 🔄💻​

Sometimes, a simple reboot can fix display issues:

sudo reboot

Conclusion 🎉​

Display issues on Snigdha OS can usually be fixed by ensuring proper cables, checking drivers, and configuring the display settings. If problems continue, check for hardware faults or consult the Snigdha OS or Arch community for further assistance.

Enjoy your display! 🖥️🎨