7 Ways to Fix Can’t Connect to 5GHz Frequency Band of Wi-Fi on Windows 11

Pankil is a Civil Engineer turned freelance writer. Since his arrival at Guiding Tech in 2021, he delves into the world of how-tos, and troubleshooting guides for Android, iOS, and Windows. Besides his new-found love for mechanical keyboards, he’s a disciplined footfall fan and loves international travel with his wife.

Fix 1: Check if Your PC Supports the 5GHz Frequency Band

The 5GHz frequency band of Wi-Fi networks may not show up on your Windows 11 PC if it doesn’t support them. You can run a quick command to check if your PC supports the 5GHz frequency band.

Step 1:Right-click on theStart iconand selectTerminalfrom the list.

Step 2:Paste the following command in the console and pressEnter.

If you see5GHzin theNumber of supported bandssection, it means your PC supports 5GHz Wi-Fi connections.

Fix 2: Enable IPv6 on Your Computer

Another reason you might encounter issues while connecting to a Wi-Fi network on Windows is if “Internet Protocol Version 6 (IPv6)” is disabled. Here’s how to enable it.

Step 1:Press theWindows + Rkeyboard shortcut to open the Run dialog box. Typencpa.cplin the text box and hitEnter.

Step 2:In the Network Connections window, right-click on yourWi-Fi adapterand selectProperties.

Step 3:Tick theInternet Protocol Version 6 (TCP/IPv6)checkbox and hitOK.

Fix 3: Modify Network Adapter Preferences

Does your Windows 11 PC keep switching to a 2.4GHz frequency band? To avoid this, you can force Windows 11 to always connect to the 5GHz frequency band on any network that supports 5GHz and 2.4GHz frequencies. Here’s how.

Step 1:Right-click on theStart iconand selectDevice Managerfrom the list.

Step 2:Double-click onNetwork adaptersto expand it.

Step 3:Right-click on your network device and selectProperties.

Step 4:Switch to theAdvancedtab. SelectPreferred Band, set the value to 5G first, and clickOK.

Fix 4: Disable and Re-Enable Network Adapter

At times, temporary issues with the network adapter can also result in such anomalies. You can trydisabling and re-enabling the network adapteron your PC to see if that solves the problem.

Step 1:Press theWindows + Ikeyboard shortcut to launch the Settings app and go toNetwork & internet>Advanced network settings.

Step 2:Click theDisablebutton next to your Wi-Fi adapter.

Step 3:Wait a few seconds and clickEnableto re-enable the network adapter. After that, check if the issue persists.

Fix 5: Run Network Adapter Troubleshooter

If re-enabling the network adapter proves ineffective, run the dedicated network adapter troubleshooter. It will scan your system for all network-related issues and attempt to resolve them.

Step 1:Click thesearch iconon the taskbar, typetroubleshoot settings, and pressEnter.

Step 2:Click onOther troubleshooters.

Step 3:Scroll down to locate the Network Adapter troubleshooter and click onRun.

Follow the on-screen instructions to finish the troubleshooting process. After that, check if Windows can connect to the 5GHz frequency band of your Wi-Fi network.

Fix 6: Update the Network Adapter Driver

Outdated network adapter drivers can lead to all kinds ofWi-Fi problems on Windows, including this one. Hence, ensure that your PC is running the latest network adapter driver.

Step 1:Press theWindows + Skeyboard shortcut to open the search menu, typedevice manager, and pressEnter.

Step 2:ExpandNetwork adapters, right-click on the relevant wireless network adapter from the list, and selectUpdate driver.

From there, follow the on-screen instructions to update the wireless network driver.

Fix 7: Reset TCP/IP

The Transmission Control Protocol and Internet Protocol (or TCP/IP) help your Windows PC establish internet connectivity. If there is an issue with the TCP/IP stack, Windows may have trouble connecting to 5GHz Wi-Fi networks. You can try resetting the TCP/IP stack to see if that restores normalcy.

Step 1:Right-click on theStart iconand selectTerminal (Admin)from the list.

Step 2:Run the following commands in the console and pressEnterafter each one:

Restart your PC after running the above commands. Following that, your Windows 11 PC should connect to the 5GHz frequency band of the Wi-Fi network.

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Last updated on 03 September, 2024

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