[Fix] 5 GHz Wi-Fi No Internet (100% Working)

When using Wi-Fi, I’m sure we all have encountered this problem at least once when the Wi-Fi is connected but there’s no internet. The problem seems to bug users who are using 5 GHz Wi-Fi for the first time more.

While this can be very frustrating, worry not, it’s easily fixable. In this article, we’re going to discuss different reasons why you might run into this problem and possible solution(s) for each.

Generally, the 5 GHz Wi-Fi ‘no internet message indicates that your smartphone or computer can connect to the network but it can’t access the internet through it. before attempting any fix, you first need to find out if it’s happening to all of your devices or just one. Let’s dive deep.

5 GHz Wi-Fi No Internet

Possible Scenarios When 5 GHz Wi-Fi No Internet Might Occur

Possible reasons are below –

  • You’ve just installed a new router in your home and your computer or smartphone can’t connect to the Wi-Fi, or it does, but can’t access the internet
  • Your 5Ghz Wi-Fi was working just fine until you go through a major OS update.
  • You have made no changes at all, but the Wi-Fi stopped working all of a sudden.

How to Fix the 5 GHz Wi-Fi Not Working Issue

We’re going to divide it into several sections so that you can find what you need quickly without going through the whole article.

1. If No Device is Working

That usually means there’s something wrong with your router or your internet service provider (ISP). More often than not, simply restarting the router fixes it. if it doesn’t, contact your ISP and inquire if their service is down. Alternatively, you can enter your router IP address in the browser to get into the admin panel and use the reset option from there.

2. The Device is Working on 2.4 GHz but not on 5 GHz

(A) Use Command: If the laptop or computer is working on another network, no need to reset your router or the access point. Also, it’s safe the assume that the drivers are working just fine, so no need to update that either. Follow these steps, one by one until your internet is fixed.

  1. Flush your DNS (Domain Name System)
  2. Bring up the Run dialogue box by pressing Windows + R key
  3. Type ipconfig/flushdns and hit enter
  4. This should remove all previous DNS cache from your system and force your computer into requesting a new DNS address from the server.

Now check your internet connection again.

  • Use the netsh command to get a new IP address.
  • Press Windows + X key
  • Select Windows PowerShell (Admin)
  • Type the command netsh int ip reset
  • Restart your computer

If it still doesn’t work, use the following command –

netsh winsock reset catalog

netsh int ipv4 reset reset.log

and restart

(B) Update your network adapter:

Another tried and tested method is simply updating the outdated driver.

  • Go to Device Manager
  • Select Network Adapter and find your Wireless Network Adapter
  • Select Update Driver by right-clicking on it. Let Windows take care of the rest.

(C) Disable the Fast Startup option in Windows:

Sometimes the fast startup option gets in the way of Windows properly loading or renewing settings or data.

  • Pressing the Windows + X key, select Power Options
  • Select Additional Power Settings from the right
  • On the left, look for What the Power Buttons Do, click on it
  • Then click on Change Settings that are Currently Unavailable
  • Untick the Fast Startup checkbox, and restart.

(D) Fiddle with the wireless network standard (turn off 5 GHz and on again):

  • Go to Network Connection by right-clicking on the Start menu
  • Double-click on the Wi-Fi Adapter and open the Network Adapter
  • Select Configure and go to the Advanced tab
  • Select 802.11n/ac and turn it off, press Ok
  • Next, go to the same menu and turn it back on.

3. No Internet on 5 GHz Wi-Fi on Mobile Phones

To solve the issue of your mobile phone not being able to access the internet via the 5 GHz Wi-Fi, you can try a couple of things.

Reconnect to the Network

Sometimes just reconnecting to the network can solve your issue with the 5 GHz Wi-Fi. Simply select forget and connect again to the 5 GHz Wi-Fi entering your password.

If reconnecting to the Wi-Fi doesn’t solve your issue, try resetting.

If it’s an iPhone

Unlike some older Androids, all iPhones are equipped with dual-band Wi-Fi, so you are all good to go. But if it can’t, try resetting Network Settings.

  • Go to Settings and tap on General
  • Select Reset, then Reset Network Settings.

For Androids

  • Go to Settings, then System
  • Select Reset Options
  • Select Reset Wi-Fi, mobile & Bluetooth

Frequently Asked Questions and Answers

Why is my Wi-Fi connected but no internet access?

Reset your router, if failed, contact your ISP company.

Why is my 2.4 GHz Wi-Fi not working but 5 GHz is?

Try disabling the AUTO OPTIMIZE NETWORK option from your router admin panel, and restart.


With a higher data transfer rate and being less prone to interferences, using 5 GHz Wi-Fi is always fun. We hope we were able to help you fix your 5 GHz connection issue. If you have any questions, feel free to drop a comment in the comment section.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *