TP-Link Deco Yellow Light: How To Fix It

As a TP-Link Deco user, you have probably seen a yellow light on your Deco. But what does this yellow light mean?

This blog post dives into the TP-Link Deco yellow light, its cause, and most importantly, how to fix the issue.

What Does The TP-Link Deco Yellow Light Mean?

The TP-Link Deco has one LED indicator light at the bottom or on the top of the device that signals its status to the users by changing its color. The TP-Link Deco LED light can be yellow, red, blue, green or white and it can be either blinking or solid.

When it comes to the yellow light on the TP-Link deco, we can speak about a solid yellow and a flashing yellow light.

Deco Solid Yellow Light

Deco solid yellow light

This light indicates that the Deco device is starting up. It generally doesn’t indicate an issue and the solid yellow light is part of the boot process. We just need to give the Deco some time and it should be up and running in no time.  

However, one of the most common issues when it comes to this TP-Link deco light color is the Deco is stuck in solid yellow. if the Deco unit remains stuck with a solid yellow light for an extended period, it may indicate a potential issue with the startup process.

Deco Blinking Yellow Light

The yellow blinking light on the Deco device can be usually seen when we reset the device to factory settings.

How To Fix The TP-Link Deco Yellow Light Issue?

Knowing the right course of action can make a great difference. Here are some steps you can take if your Deco unit is stuck in this state.

Restart Your Deco Device

Restart your TP-Link Deco

Restarting (rebooting) your Deco is a simple but highly effective solution. This method has proven effective across a wide range of devices and issues, and your TP-Link Deco device is no exception.

  1. Power off your Deco device. Ensure it’s completely off and not in standby mode.
  2. Unplug it from its power source.
  3. Wait for a few minutes. This will allow the device to clear any temporary data that might be causing the issue.
  4. Plug it back into the power source and turn it on.

Follow the LED light colors at the moment to see whether your Deco will go past the yellow light. If it does – great, if it doesn’t try the following solution.

Check Your Connections

If restarting your Deco didn’t make that yellow light go away, the next step is to look into your connections.

Make sure that all cables, especially the power and Ethernet cables, are properly and securely connected.

You should also check the cables for any visible damage or abnormal bending. If you notice anything suspicious, try to replace the cable and see whether this fixes the issue.

Related: TP-Link Deco Ethernet Not Working: Causes And Solutions

Reset The Deco Device

If the issue persists, a complete reset of your Deco device may be necessary. However, you need to know that this action will erase all your custom settings and configurations. Accordingly, you will need to set up your network again.

  1. Find the Reset button at the bottom of the Deco device.
  2. Press and hold the Reset button using a pin or a paperclip for 1 second and release it.
  3. Release the button when the LED light starts flashing quickly, which indicates that the device is resetting.

Once the reset process is complete, you can set up your device again using the TP-Link Deco app.

Attempt Firmware Recovery

If your TP-Link Deco device stops working (often referred to as “bricking”), there are two methods to recover it. Both these methods are explained in detail on this TP-Link support page.

TFTP Tool Method

  • Supported Models: Deco M5 and Deco P7.
  • This method involves using a tool called “tftp” to restore the firmware.

HTTP Uboot Web-Based Interface Method:

  • Supported Models: All Deco models except for Deco M5.
  • This method uses a web-based interface to recover the Deco device.

In simple terms, if your Deco device stops working, you can use one of these two methods to fix it. The method you choose depends on your Deco model. Always follow the instructions carefully to ensure a successful recovery.

Contact TP-Link Support

If you have tried all the solutions explained above, but the yellow light is still there, contact TP-Link support. The TP-Link team can guide you through additional troubleshooting steps or arrange for a repair or replacement if it’s a hardware issue.

It is also a good idea to check if your Deco is still under warranty.

Frequently Asked Questions

Why does my TP-Link Deco show a yellow light after the initial setup?

If your TP-Link Deco device displays a yellow light after the initial setup, it can be a sign of a network configuration issue or a problem with the hardware itself. It can also indicate a lost connection to the main Deco unit or the internet.

Does TP-Link Deco yellow light indicate a severe hardware problem?

Not necessarily. Although the yellow light can indicate a hardware problem, it is also possible that the issue is an incorrect network configuration or a temporary glitch that can be fixed by restarting or resetting the device.

What should I do if resetting doesn’t resolve the TP-Link Deco yellow light issue?

If resetting doesn’t resolve the TP-Link Deco yellow light issue, it is recommended to contact TP-Link Support. They can guide you through some additional troubleshooting steps or arrange for a repair or replacement if it’s a hardware issue.


As you can see if you understand what the TP-Link Deco yellow light means, troubleshooting is much easier. By simply following the troubleshooting steps described in this article, you can easily get your Deco up and running quickly.

Remember, if you are not sure whether or not you should apply some of the solutions recommended here it is always a better option to contact TP-ink support and explain what is bothering you. They can help you get back online pretty quickly.