Onboard VGA Not Working? Troubleshooting Tips

Onboard VGA Not Working? Dealing with onboard VGA issues can be frustrating, but fear not, as we’ve got you covered. In this guide, we’ll walk you through the common problems and provide step-by-step solutions to get your onboard VGA up and running again.

Onboard VGA Importance

Onboard VGA, also known as integrated graphics, refers to the graphics processing capabilities built into the motherboard of a computer. It is responsible for powering the visuals of your system, including displaying images, and videos, and running graphics-intensive applications. While dedicated graphics cards offer higher performance, onboard VGA is essential for basic display functionality.

Common Reasons Behind Onboard VGA Not Working

  1. Loose connections: Check and fix any loose connections between the monitor and the computer, as well as the connections on the motherboard
  2. Outdated or missing drivers: Ensure that you have the latest VGA drivers installed. Outdated or missing drivers can cause display issues
  3. BIOS settings: Some motherboards have settings that automatically disable onboard graphics when a dedicated graphics card is installed. Check the BIOS settings to ensure that the onboard VGA is enabled
  4. Power supply problems: Insufficient power from the power supply unit (PSU) can affect the performance of the onboard VGA. Verify that the PSU is providing sufficient power

Step-by-Step Troubleshooting Guide

Step 1: Checking Physical Connections

  • Verify the VGA cable connections between your monitor and PC.
  • Inspect the motherboard connections to ensure a secure fit.
  • Dust off ports to remove any debris or obstructions

Step 2: Updating VGA Drivers

  • Identify the VGA drivers and versions on your computer.
  • Download the latest drivers from the manufacturer’s website.
  • Follow the step-by-step installation process for updated drivers

Step 3: Adjusting BIOS Settings

  • Access the BIOS by pressing the designated key during boot-up (usually Del or F2).
  • Navigate to the correct settings related to graphics.
  • Ensure that the onboard VGA is enabled and set as the primary display.
  • Save changes and reboot to see if the issue is resolved

Step 4: Power Supply Check

  • Verify that the power supply unit (PSU) is providing sufficient power to the system.
  • Troubleshoot any PSU problems and consider upgrading if necessary

Frequently Asked Questions (FAQ)

Can a faulty VGA cable cause the onboard VGA not to work?

Yes, a faulty VGA cable can impact the display output. To test this, try using a different VGA cable or monitor to see if the issue persists. If necessary, replace the VGA cable with a new one

How do I know if my onboard VGA drivers are outdated?

To check if your onboard VGA drivers are outdated, you can follow these steps:

  • In Windows: Right-click on the Start button, select Device Manager, expand the Display adapters category, and check for any warning signs or outdated drivers.
  • In macOS: Go to the Apple menu, select About This Mac, click on System Report, and navigate to Graphics/Displays to view the driver information.

You can also use automated tools or software provided by the manufacturer to scan for driver updates.

Why does my BIOS not recognize the onboard VGA?

There could be several reasons why the BIOS does not recognize the onboard VGA. Some possible causes include:

  • Incorrect BIOS settings.
  • Faulty hardware or connections.
  • Outdated BIOS version.

To troubleshoot this issue, you can try resetting the BIOS settings, checking the connections, and updating the BIOS to the latest version

Is it worth upgrading to a dedicated graphics card?

When deciding on a graphics card, consider your needs and budget. Dedicated cards are best for gaming and graphics-heavy tasks, while onboard VGA works for everyday use. Think about your specific applications and desired level of performance.


Congratulations! You’ve learned how to tackle the “onboard VGA not working” issue like a pro. Remember to check physical connections, update drivers, adjust BIOS settings, and ensure sufficient power supply. Don’t let technical glitches dim your computing experience—get back to enjoying your device!

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