Fix VGA light on motherboard is ON

I will explain to you today How to fix the VGA light on the motherboard that is on

When the VGA light on a motherboard is on, it indicates that the graphics card has a problem. Maybe it is not seated properly or there is another problem associated with it. This article lists some solutions if your computer is not displaying the screen and the VGA light is on.

How to fix the VGA light on the motherboard that is on

Motherboard VGA light is on

Use these solutions if your motherboard VGA light is on with no display but GPU working on a Windows 11/10 computer.

Check the cable connections
Turn on your monitor
Do you hear any beeping noises?
Reset CMOS
Clean your PC
Reset GPU
Set your BIOS to use PCIe graphics
Hardware failure

All these solutions are explained in detail below:

1] Check the cable connections.

Check the cable connections. The cables may be loose due to which the VGA light turns on. You can also try connecting the cable to another port, if available. The VGA light on your motherboard turns on if the cable connecting your graphics card to the motherboard is faulty. If possible, connect the graphics card to your motherboard with another cable. This will let you know whether the cable is faulty or not.

2] Turn on the monitor

On some computers, the VGA light illuminates when the monitor is off. Turn off the computer. Now, turn on the monitor and then the computer. Observe if the screen appears this time.

3] Do you hear any beeps?

Do you hear any beeps? Motherboards of different computers emit different beeps when a hardware failure is detected. You can tell the type of hardware failure in your computer by decoding the beep codes. The list of beep codes and their meanings is available in the user manual or you can contact your computer manufacturer's support for more information.

4] Reset CMOS

Resetting CMOS can also help in fixing such problems. This action will also reset the BIOS settings to default. Follow the steps given below:

Turn off the computer and unplug the power cord to avoid electric shock.
Place the CMOS battery on the motherboard.
Carefully pull it out of the socket.
Wait a few minutes and reinsert the battery with the correct polarity.
Turn on your computer and see if the problem persists.

5] Clean the dust from your PC

Dust can be a possible cause of this problem. If there is dust accumulated inside the ports, your graphics card will not be detected. Clean your PC if you have not done so for a long time. Turn off your computer completely before cleaning it.

6] Reset the GPU

Make sure that you have placed the GPU correctly, so that your motherboard detects it. Remove the GPU from the slot and reseat it correctly. It is best to clean the GPU and its slot before reinstalling it. Also, make sure that you have installed the GPU in the correct slot.

7] Configure your BIOS to use PCIe graphics card

Certain settings in the BIOS can sometimes cause these types of problems. Open your BIOS settings and configure it to use the PCIe graphics card. This will disable the integrated graphics card in the BIOS and your computer will use the external graphics card.

Different computer brands have different BIOS settings. So, you need to check the user manual or visit the official website to know how to access these settings in the BIOS.

8] Hardware Failure

A hardware failure can also be a possible cause of this problem. The problem can be with the power supply, graphics card, or motherboard. You can connect the graphics card to your friend's computer to find out if it is faulty.

The last resort is to get professional help. Take your computer to a professional computer repair technician to resolve this problem.

How to Fix VGA light on motherboard is ON