What Is the Yellow Light on Motherboard and How to Fix It


Lightning-fast speed and blazing performance: these are the expectations of today’s tech-savvy consumers. One issue that can bring your system to a screeching halt is a yellow light on your motherboard.

But what does it mean? And how do you fix it?

I’ll explain why you’re seeing this mysterious yellow light and provide step-by-step instructions on how to troubleshoot and resolve the problem.

What Do The Solid Yellow Lights On Motherboard Mean

A yellow light on the motherboard can indicate a DRAM error, so it’s important to identify and fix it. Understanding what a yellow light means on a motherboard is key in troubleshooting any potential issue.

Generally, when the RAM is not detected or there is an incompatibility with the memory configured, then a solid yellow light will appear. It could also be due to hardware failure such as faulty RAM modules, bad slots, or even other components like the processor and hard drive having malfunctioned.

As different manufacturers have their methods of displaying errors, it is best to refer to its user manual for details about what each color means.

Additionally, if you are experiencing numerous problems with your computer such as blue screens, boot failures, and random shutdowns, then that could also signify an underlying problem with your system’s memory.

Having said that, if your PC has experienced any power surge recently, then this could be the source of all these issues and should be addressed immediately.

Consequently, if you suspect that a DRAM error may be causing these troubles, then you should check all of its related components for defects first before attempting any further repairs or replacements.

1. The RAM Stick is placed incorrectly

The improper placement of the RAM stick may be causing the yellow light. To prevent this, it’s important to check if the memory is correctly aligned with the RAM slot before installation.

  • First, make sure there is a small gap on the stick that aligns with the RAM slot.
  • Then, insert it firmly into the socket until it clicks into place.
  • Lastly, check if you can see any visible damage or defects on the slot or RAM stick itself.

This process should resolve any issues related to incorrect RAM insertion and may stop the yellow light from appearing.

However, if not, it could be a low power supply issue that requires additional steps to fix.

2. It could be a low power supply.

It may be a power supply issue causing the yellow light.

A power supply (PSU) of insufficient wattage can cause this indicator to appear on the motherboard. This is because it cannot provide enough electricity for the system’s needs.

To fix it, you’ll need to replace your PSU with one that can provide enough wattage for your system’s needs.

If the problem persists, then you should look into other possibilities such as loose connections with hardware and motherboard components.

3. Loose connection between the hardware and motherboard

Check your connections between the hardware and the motherboard to make sure they’re secure; otherwise, you could be seeing a warning. If your connections are loose, it could cause problems with power delivery or data transmission. To avoid this issue:

  • Inspect the connection points for any signs of wear & tear – such as corrosion or wire fraying.
  • Tighten any screws if needed.
  • Check all cables are firmly connected – paying particular attention to the 24-pin ATX power cable and 4/8-pin CPU power cable.

It’s also worth ensuring that all components are seated correctly in their respective slots on the motherboard. Doing this should help prevent any potential issues caused by loose connections, so take the time to double-check them now to avoid costly repairs later!

4. RAM incompatibility

If the RAM and motherboard don’t match, it could lead to issues that can’t be fixed easily.

To determine if this is indeed the cause of the light, check that both components are compatible with each other. For example, make sure that their form factors match up; otherwise, you will need to replace either one or both parts to fix the issue.

Additionally, ensure that their speed settings match as well. If they do not satisfy these criteria and are incompatible with each other, then you will need to find replacements that do work together for your system to function properly.

Having incompatible parts is a common problem but it can easily be remedied by doing research and making sure your components are compatible before investing in them.

5. A Damaged CPU PIN

A damaged CPU Pin can also be responsible for the yellow light on a motherboard. It is not as common as memory incompatibility, but it still can happen.

If your motherboard’s yellow light comes on, and you have ruled out RAM issues, then the next best step is to examine the CPU itself. This will require opening up your computer case and examining the processor chip directly to check for any visible signs of damage or malfunction.

If there are no visible problems with the CPU, then you may want to try replacing it with a new one to see if that resolves the issue. Otherwise, further troubleshooting may be needed to determine why your system isn’t working properly.

How to fix Yellow Light on the Motherboard

I’m here to discuss how to fix the yellow light on a motherboard.

1. Re-install the RAM Stick

To fix the yellow light on a gigabyte motherboard, follow these steps:

  1. Open the CPU unit and remove the RAM stick.
  2. Clean the slot with a blower.
  3. Make sure the gap on the RAM disc is large enough, then click it back into place securely.

Ensuring the RAM is properly placed should resolve any issues with the motherboard’s yellow light. If this doesn’t work, try using another slot or investigate other components for a more comprehensive solution.

Next, we’ll need to update the BIOS for further optimization.

2. Update the BIOS

Updating the BIOS is the next step to optimizing your system. If your motherboard has an outdated BIOS, then updating it from one generation chip to the next can be beneficial and may even override a yellow light illuminating the motherboard.

It’s important to make sure you are using the latest version of your BIOS to get maximum performance from your machine. Taking this step will ensure that all necessary updates have been made, giving you improved stability and reliability. The process may seem intimidating but with a little patience and persistence, you can have your system running at optimal levels in no time.

Now resetting the CMOS is another essential part of ensuring proper functionality and performance.

3. Reset/clear the CMOS

Resetting the CMOS is essential to getting your system running optimally, so make sure you do it.

Here’s how to reset the CMOS:

  1. Unplug the PC’s power cable and shut off the machine.
  2. Disconnect the motherboard’s flat, COIN-sized battery.
  3. Press the computer’s power button for 30 seconds three times to restart and check what happens when you reinstall the CMOS battery and turn the PC back on.

By following these steps, the BIOS settings are restored to their default state if cleared, and it’s also in charge of date/time.

If you have a voltage meter, you can check the voltage of the CMOS battery. Ideally, it should be around 3 volts.

Knowing how to reset your CMOS will help you troubleshoot any yellow light issues on your motherboard. Plus, with its settings restored to their defaults, you’ll be ready to reconfigure RAM for optimal performance.

4. Remove and re-insert the GPU

If you’re having issues with your computer, try removing and re-inserting the GPU to see if it helps. This could be a solution for fixing the yellow light on your motherboard.

  • Unplug all cables connected to the GPU
  • Power supply cable(s)
  • Monitor cable(s)
  • Carefully remove the GPU from its PCIe slot
  • Re-insert the GPU into its PCIe slot
  • Reconnect all cables that were previously attached.

This solution is simple and can help resolve any potential connection issues between your motherboard and graphics card. If this doesn’t work, consider replacing your power supply unit (PSU).

5. Replace PSU

Replacing the PSU may be the best solution to resolving any power issues that could be causing the yellow light. If the cooling fan and GPU fan are not working, then it is likely that your current PSU has insufficient power to support your motherboard. 

6. Replace RAM Modules

To solve the issue, you may need to replace RAM modules. Access panels on certain laptops allow you to switch out RAM modules, although some computers have them hidden away. Upgrading the RAM would require taking apart your machine, so if you’re not comfortable doing this, it’s best to seek professional help.

With proper guidance or expertise in handling computer hardware, replacing RAM modules should be a relatively easy task. However, if done incorrectly it could lead to further damage so all steps must be taken carefully.

7. Switch RAM positions

Switching RAM sticks between A1 and B1 can help resolve the issue without needing to replace any modules.

To do this, begin by turning off the computer and unplugging all of its cables.

After opening up the case, locate the two RAM slots labeled A1 and B1.

Carefully remove both RAM sticks from each slot, taking care not to touch any other components on the motherboard.

Place one stick in slot A1 and the other in slot B1.

Secure them firmly into place before closing up your case again, plugging everything back in, and turning your computer on.

If you are still seeing a yellow light on your motherboard after performing this procedure, then it is likely time to check all motherboard cables for loose connections or damage that may be causing an issue.

8. Check all motherboard cables

Carefully inspect all of your cables to ensure they’re securely connected and undamaged. Check each cable for signs of damage such as fraying or loose connections. Make sure all cables are firmly seated in their respective ports, and double-check them if necessary.

This step can help identify whether a faulty cable is causing the yellow light issue on your motherboard.

Once you’ve confirmed all the cables are plugged in correctly, you can move on to monitoring temperatures for overheating, which is another potential cause of the problem.

9. Monitoring temperatures for overheating

It’s important to regularly monitor temperatures for signs of overheating. To do this, we must check the temperature readings from our motherboard and compare them against a safe range. This will help us identify any potential issues before they become serious.

Temperature Range Status Action Required
Below 45°C Safe None
45°C – 70°C High Monitor
Above 70°C Danger Zone Take Immediate Action


We should be aware of the increasing temperature levels and take action if necessary. If temperatures reach dangerous levels, we must take immediate steps to reduce them or risk damaging our hardware. Monitoring temperatures is an essential practice for ensuring the optimal performance of our motherboard and avoiding yellow light warnings in the future. With proper attention to temperature readings, we can ensure that our motherboard runs smoothly and efficiently.

10. Replace motherboard

Now that you’ve monitored your temperatures and ruled out the possibility of overheating, you may be looking at a problem with the motherboard. In this case, you have two options: replacing or returning it under warranty.

Here’s what to do if you decide to replace the motherboard:

  1. Research compatible motherboards for your system
  2. Purchase the necessary components for installation
  3. Carefully unplug all components from the old board and install them onto the new one
  4. Boot up your system and check for any errors

These steps can help ensure a successful replacement of your motherboard.

Next, we’ll discuss why there might be a yellow light blinking on the motherboard.

Fix Yellow Light Blinking on the motherboard

If you notice the yellow light on your motherboard blinking, it may be an indication that the computer is requesting information from the hard drive. This rapid blinking of the light indicates that the motherboard is receiving power and functioning correctly.

However, if the yellow light is static or stays on without flashing, it could mean there’s an issue with your RAM or another component not being properly connected to the motherboard. In this case, it’s important to take a closer look at all connections and diagnose any potential problems before proceeding further.

If everything looks good but you’re still experiencing issues, replacing the motherboard may be necessary to restore proper functionality. Moving forward, however, keep an eye out for any changes in behavior or discrepancies with other components as this kind of issue can often become more complicated than initially thought.

Fix the Yellow Light on Gigabyte Motherboard

Troubleshooting the blinking yellow light on your Gigabyte motherboard can be tricky, but with some patience and attention to detail, you can get it sorted.

  • First, check that the power cables are properly connected to the motherboard and that no dust or debris is blocking any of the ports.
  • If everything looks good there, try resetting your CMOS by removing the battery for a few minutes before reinserting it.
  • If this doesn’t work, you’ll probably need to replace your BIOS chip with a new one.
  • Finally, if none of these steps have worked so far, consider replacing the entire motherboard as a last resort.

With a bit of effort, you should be able to fix the yellow light issue on your Gigabyte board without too much trouble. As a bonus, taking care of this problem yourself will save time and money compared to paying for professional repair services.

Now that you’ve taken care of this issue with Gigabyte boards, let’s move on to fixing the yellow light on MSI motherboards.

Fix the Yellow Light on MSI Motherboard

Sorting out the blinking yellow issue on an MSI motherboard can be tricky, but it’s possible with patience. The first step is to identify what type of light is flashing. This can usually be done by looking in the manual or consulting the manufacturer’s website for documentation. If that doesn’t work, then a visual inspection should do the trick; if there’s a pattern to the flashes, they may correspond to something specific.

Once you’ve identified which light is causing trouble, you’ll need to determine why it’s flashing and how best to address it. To help narrow down possible solutions, take a look at this table:

Issue Action Result
CPU not detected Replace CPU fan & heatsink Light stops flashing; system runs normally again
Memory damaged/faulty Replace RAM modules/slots as needed Light stops flashing; system runs normally again
BIOS settings incorrect/corrupt Reset BIOS settings and flash new BIOS version Light stops flashing; system runs normally again

Fix the Yellow Light on ASUS Motherboard

Solving the issue of a blinking yellow light on an ASUS motherboard can be tricky, but it’s doable with patience. The following steps should help you to identify and resolve the problem:

  • Check for any dirt on the CPU Socket Pin or CPU Pin. If found, clean it and try again.
  • Look for any broken CPU pins and replace the CPU if necessary.
  • Make sure that the memory is fully installed in its slot before checking for any dirt on memory pins or socket slots of the motherboard.
  • Use only memory from the Memory support list (QVL List) and refer to suggested configurations in the user manual of your model to avoid problems down the line.
  • If using two or more memory modules, boot one at a time and add additional ones after each reboot until done correctly.
  • Replace DRAM, SATA cable, port, hard disk, or M2 SSD if all else fails after following steps 1-5 carefully.

Frequently Asked Questions

1. Are There Any Potential Risks Associated With the Yellow Light on the Motherboard?

Yes, there are potential risks associated with the yellow light on the motherboard. If the light is constantly illuminated, it may indicate a malfunctioning component or system. This could lead to data loss, hardware failure, and other computer issues.

It’s important to identify and troubleshoot the cause of this warning signal to minimize any damages or disruptions. Taking prompt action will help prevent further complications and protect your data from being compromised.

2. Is It Necessary to Replace the Motherboard if the Yellow Light Is On?

I’m looking at this yellow light on the motherboard and I can’t help but shake my head. It looks like a warning sign, telling me that something’s not quite right.

Is it necessary to replace the motherboard if the yellow light is on? Well, it depends.

If there’s an underlying hardware issue, such as a faulty component or power supply issue, then yes, you may have to replace your motherboard.

However, if the cause of the yellow light is software related—say you’ve got a bug in your OS—then no, replacing your motherboard won’t be necessary.

3. How Do I Know if the Yellow Light Is an Indication of a Hardware Problem or a Software Issue?

I’m trying to determine whether the yellow light on my motherboard is an indication of a hardware or software issue.

To make this determination, I need to examine the behavior of my system.

If my computer takes longer than usual to boot up, or if it freezes or crashes frequently, then the issue is likely due to a hardware problem.

On the other hand, if I’m having trouble with programs not working properly or applications taking too long to load, then the problem may be caused by a software issue.

4. Does the Yellow Light Indicate a Problem With the Bios?

Yes, the yellow light can indicate a problem with the BIOS. It’s usually caused by an outdated version, but it can also be due to a corrupted file or other issue with the hardware.

To determine if this is the case, you’ll need to check your system setup in the BIOS menu and look for any errors. If you find any, you may need to update your BIOS version or install new drivers and software components.

5. Is There a Way to Test the Motherboard Without Turning It On?

Yes, there is a way to test the motherboard without turning it on. It’s called a POST (Power On Self Test) and it works by examining essential components of your system before powering up.

This is useful for diagnosing any potential hardware issues before booting into an operating system. The POST will detect any abnormalities and provide feedback on possible causes for the error, such as faulty RAM or CPU.

Additionally, you can run diagnostic software that can help pinpoint exactly what component may be causing problems with your motherboard.


In conclusion, the yellow light on a motherboard can mean different things depending on what type of motherboard you have. It could be an indicator that something is wrong with the hardware or it could just be a warning sign.

Regardless, it’s important to take action and fix the issue if you see this yellow light or any other kind of warning signal coming from your computer. With some troubleshooting and research, you should be able to get your computer up and running again in no time.

Plus, being able to diagnose these problems yourself will save you time and money in the long run!

I am a computer engineer holding a bachelor's degree in Computer Science, complemented by a Master's in Business Administration from University of Strathclyde, Scotland. I currently work as a Senior IT Consultant in Melbourne, Australia. With over 15 years of...