How to & Guides

Check the Wi-Fi’s Channel Settings to Resolve 5GHz Connectivity Issues

I recently upgraded my dual-band router and was looking forward to experiencing the faster speeds it promised. However, my excitement quickly turned into frustration when I realized that while my phone could effortlessly connect to the 5GHz Wi-Fi, my laptop was unable to detect the network. This issue posed a problem, especially since I had plans for a gaming session with friends that evening.

If you find yourself in a similar situation where you are unable to connect to the 5GHz Wi-Fi, don’t worry! There’s a simple solution – check the Wi-Fi’s channel settings on your router.

Change the Router Channel to a Less Crowded Frequency

Before delving into the troubleshooting methods, ensure that you are connecting to the correct network by verifying the SSID. Additionally, make sure that the wireless drivers on your device are up to date. Once you’ve confirmed these, you can proceed with the following steps to change your router’s channel:

  1. Connect your computer or mobile device to your Wi-Fi network or directly to the router using an Ethernet cable.
  2. Open a web browser such as Chrome, Firefox, or Edge.
  3. In the address bar, type your router’s IP address. You can find this information in the router’s user manual or on a label attached to the router.
  4. Enter your router’s username and password when prompted. If you haven’t changed the login credentials before, they might be the default ones (e.g., “admin” for both username and password).
  5. Once logged in, navigate to the wireless settings section. The location of these settings may vary depending on your router’s brand and model, but they are typically found under sections named “Wireless,” “Wi-Fi,” or “Network.”
  6. Look for an option to select the 5GHz band. It is usually labeled as “5GHz Wi-Fi,” “5GHz Band,” or something similar.
  7. Find the settings for channel selection and channel width. These options may be labeled as “Channel,” “Channel Selection,” or “Channel Width.”
  8. Set the channel to “36.”
  9. Set the channel width to “80MHz.”
  10. After making these changes, look for a “Save” or “Apply” button on the same page and click it to save your new settings.
  11. Some routers may require a reboot for the changes to take effect. If necessary, look for a “Reboot” or “Restart” option in your router’s settings and initiate the reboot.
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Once the router has rebooted, reconnect your devices to the Wi-Fi network, and you should be able to connect to the 5GHz band with the new settings.

Disable DFS Settings if Changing the Channel Doesn’t Work

If changing the Wi-Fi channel alone doesn’t resolve the connectivity issues on your 5GHz network, disabling Dynamic Frequency Selection (DFS) settings is another option to consider. DFS settings can cause problems because many client devices do not support them due to their complexity and specific rules. Here’s how to disable DFS settings on your router:

  1. Open a web browser and enter your router’s IP address in the address bar (e.g., 192.168.0.1 or 192.168.1.1). Refer to your router’s manual or label for the exact IP address.
  2. Enter your router’s username and password to log in. If you haven’t changed these credentials before, they are often set to default values like “admin” for both the username and password.
  3. Navigate to the wireless settings section, usually found under a menu labeled “Wireless,” “Wi-Fi,” or “Network.”
  4. Look for an option to access the general settings of your Wi-Fi network. This tab may be labeled as “General” or something similar.
  5. Find the setting labeled “Control Channel” or something similar and set it to “Auto.” This allows your router to automatically select the best channel for your network without the need for DFS channels.
  6. Look for an option that allows you to disable the automatic selection of channels, especially DFS channels. This option may be labeled as “Auto Select Channel,” “DFS Channels,” or similar. Disable this feature.
  7. After making these changes, locate the “Save” or “Apply” button on the same page and click it to save your new settings.
  8. Some routers may require a reboot for the changes to take effect. Check for a “Reboot” or “Restart” option in your router’s settings and initiate the reboot.

After the router has rebooted, reconnect your devices to the Wi-Fi network, and you should now be able to connect to the 5GHz band.

Changing the Value of Wireless Mode Can Also Help

If changing the Wi-Fi channel and disabling DFS settings do not solve the connectivity issue, you can try changing the value of the wireless mode on your router. The wireless mode determines the characteristics of the wireless signals, and if your router’s wireless mode is set to a value that is not supported by your device, it will not connect to the network. Follow these steps to change the wireless mode:

  1. Access your router’s admin panel by entering the router’s IP address in a web browser (e.g., 192.168.0.1 or 192.168.1.1).
  2. Log in using your router’s username and password, usually found in the router’s manual or on a label attached to the router.
  3. Navigate to the wireless settings section, typically located under a menu labeled “Wireless,” “Wi-Fi,” or “Network.”
  4. Find the option related to “Wireless Mode” or “802.11 Mode.”
  5. Change the wireless mode to “802.11a/g.”
  6. Save your changes by clicking the “Save” or “Apply” button on the same page.
  7. Reboot your router if necessary. Look for a “Reboot” or “Restart” option in the router settings and initiate the reboot.
  8. Reconnect your devices to the Wi-Fi network. You should now be able to connect to the 5GHz Wi-Fi network with the new settings.
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If Nothing Else Works, Reconfigure the Router

If you have tried all the above methods and still cannot resolve the Wi-Fi issues, you may need to reconfigure your router. Reconfiguring the router will reset all settings to their default values, which can sometimes resolve persistent problems. However, please note that reconfiguring your router will erase all custom settings, including your Wi-Fi network name (SSID) and password. You will need to set up your router again from scratch. Follow these steps to reconfigure your router:

  1. Access your router’s admin panel by entering the router’s IP address in a web browser (e.g., 192.168.0.1 or 192.168.1.1).
  2. Log in using your router’s username and password. If you haven’t changed these credentials before, they are often set to default values like “admin” for both the username and password.
  3. Locate the option for factory reset or reset to default settings. This option is usually found in the router’s settings under a section like “Advanced,” “Administration,” or “System.”
  4. Initiate the factory reset. This process may involve clicking a “Factory Reset” or “Reset to Default” button.
  5. Confirm the reset. You will typically be asked to confirm your decision. Please be aware that this action will erase all custom settings on your router.
  6. Wait for the router to reset. The router will go through a reboot process and restore its default settings.
  7. Reconnect to the router. After the router has completed the reset and rebooted, you will need to reconnect to it using the default username and password, which can usually be found in the router’s manual or on a label attached to the router itself.
  8. Set up your Wi-Fi network again. Create a new Wi-Fi network name (SSID) and password, and configure any other settings you need, such as port forwarding or parental controls.
  9. Reconnect your devices to the newly configured Wi-Fi network using the new SSID and password.
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Frequently Asked Questions

How do I enable 5GHz on my router?

To enable 5GHz on your router, your router needs to support the band. Once you’ve confirmed that it does, log in to your router’s admin page. From there, you can find the option to turn on 5GHz in the Wireless or WLAN section. However, in most routers, 5GHz is already enabled by default.

Should I enable both 2.4 GHz and 5GHz?

Having both the 2.4 GHz and 5GHz bands active is beneficial because it allows you to connect devices that require high speed over a shorter range to the 5GHz band, while devices that don’t require high speed can be connected to the 2.4 GHz band.

Why can I only connect to 2.4 GHz but not 5GHz?

Your device needs to have hardware-level support in order to connect to a 5GHz network. If your device doesn’t have this kind of hardware, it will not be able to connect to the 5GHz band.

What channels does 5GHz Wi-Fi have?

5GHz Wi-Fi has a wide range of channels, ranging from 36 to 165. Each channel can have a width of 20 to 160 MHz.

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