Troubleshooting No Display on Monitor

Introduction

When your computer powers on but shows no display, it could indicate a problem with the monitor, graphics card, or connections.

Common Causes

1. Faulty monitor
2. Loose or damaged cables
3. Graphics card issues
4. Incorrect BIOS settings

Step-by-Step Solutions

1. Verify the Monitor
   • Check if the monitor is powered on and functional by testing it on another computer.
2. Check Connections
   • Ensure all cables (HDMI, VGA, or DisplayPort) are securely connected.
   • Replace damaged cables with new ones.
3. Reset the Graphics Card
   • Remove and reseat the graphics card in its PCI-E slot.
4. Test with Onboard Graphics
   • Connect the monitor to the motherboard’s video output to rule out a faulty GPU.
5. Update or Reset the BIOS
   • Access the BIOS to ensure the primary display device is set correctly.