[Gadgets] WiFi router lights: what do they mean and how can they help you identify problems?

[#Steeven.™]

Surely you have seen the lights of your WiFi router blink in different colors. Each light has a different meaning and can give you useful information about the status of your connection. In this article, we're going to explain what each light on your router means and how you can use this information to identify and fix potential problems.

As Internet users, WiFi is a crucial part of our lives. Without it, we would not be able to connect to the Internet. However, have you ever wondered what the blinking lights on your router mean?

The most common lights on your WiFi router and what they mean
Lights can vary by make and model, but there are usually some common lights found on most devices.

• Power: The power light is the most basic of all lights. If this light is off, it means that the router is not receiving electrical power. In this case, please make sure the power cord is properly connected and the power source is working properly.
• Internet: The Internet light indicates whether you are connected to the Internet or not. If this light is off, it means that the router has not established a connection with your Internet provider. In this case, you may need to check your settings or contact your Internet Service Provider to fix the problem.
• WLAN/WiFi: The WLAN or WiFi light indicates whether the wireless network is active or not. If this light is off, it means that the wireless network is not enabled on the router. If you want to use WiFi, you need to make sure the light is on. If the light is on but you still can't connect to the wireless network, you may need to restart or check your network settings.
• Ethernet: The Ethernet light indicates if a device is connected to the router via an Ethernet cable. If this light is on, it means the device is connected and the connection is stable, if it is blinking, it means there is network activity, if it is off, it means there are no devices connected via cable.
• Activity: The Internet activity light indicates the amount of traffic that is going through the router. If this light is blinking, it means there is activity on the network. If this light is not blinking at all, you may need to check your internet connection or contact your internet service provider to fix the problem.
• PON / LOS: These two lights turn green and red alternately when connecting the router. They are control lights that should not worry you.
• 2.4G and 5G: These two lights indicate whether the 2.4GHz and 5GHz frequencies are working or not. The second is WiFi AC, while the first is WiFi a/b/g/n standard in most part of the cases. Remember that the 5 GHz WiFi network has nothing to do with the 5G of your mobile phone.
• 4G / 5G: If you have a 4G/5G compatible router and SIM card, this light means that you have established a connection through the mobile network instead of your fiber provider.
• WPS: This light corresponds to the WPS button that is already on almost all routers. Its usefulness is to connect without having to enter a password, although during a limited window of time it reduces security. If it is on, that window is open.
• Phone + Number: Depending on the phone connections your device supports, you'll see Phone 1, Phone 2, and so on. If you have connected your landline phone cable, you will see the light on.
• USB + Number: Although few users use USB ports, they are used to transfer data or charge devices. If a device is connected, the light for USB 1, USB 2 or the corresponding one will turn on.

 

What do the colors of the WiFi router lights mean?
The router's LED lights communicate functionality and activity on the Internet device. Specific colors can show what aspects of the device or Internet service are working, if there is an error, or if something is broken or offline.

The meaning of the colors of the lights varies greatly depending on the specific model and the Internet service provider used. Here are some of the most common WiFi router light colors and what they can mean:

• Green: A green light typically indicates power, an active Internet connection, a confirmed pairing with another device, an active phone line, and a strong Internet signal.
• Blue: The blue lights on the WiFi router can show that a firmware update is in progress, it is connecting to another device for pairing, a provider has been detected and the connection process has started, and the connection process is complete, or if there is a phone call in progress.
• Orange: An orange light sometimes indicates a good (but not great) Internet connection, the early stages of the connection process after turning on the device, when phone service is disconnected, but emergency calls are still possible and the process matchmaking has started.
• Red: Red light meanings can indicate overheating, service error, weak internet connection, no internet connection, failed PPP authentication, configuration problem, or phone service is completely offline.
• White: A white LED is typically used to indicate power, the pairing process has started, it is trying to detect a service provider and connect to the Internet, or a firmware update is in progress.

 

Common problems that the WiFi router lights indicate and their solution
If you notice any of the lights are blinking or off, there may be something wrong with your Internet connection.
Here are some common problems that can be detected by the lights on your WiFi router and how to fix them:

• Power light is off: Verify that the router is plugged in and that the outlet is working. If it still doesn't turn on, there may be a problem with the device or the power cord.
• DSL light is blinking: This may indicate that there is a problem synchronizing with the network. Check that the telephone line cord is connected correctly and that there is no interference.
• Internet light is off: Check that the Ethernet cable is connected correctly and that there are no problems with your Internet provider's settings.
• WiFi light is off: Verify that the WiFi signal is on and that your device's network settings are configured correctly.
• Ethernet light is off: Verify that the Ethernet cable is connected correctly and that there are no issues with the Ethernet port or the connected device.

Now that you know what the different lights on your WiFi router mean, you can use this information to troubleshoot your Internet connection.

Remember, if the Internet connection light is off, you can try to restart the WiFi router and to restore the connection. If the WiFi light is off, make sure the wireless signal is turned on, and if the activity light is not blinking, it may be an issue with your Internet service provider.

 

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