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Normally, when you connect to a network, the router will tell your device what DNS server to use. Most problems are DNS server related, if flushing the DNS cache doesn’t work, then we can try to set a fixed DNS server. Type the following command ipconfig /flushdns and press enter.Press Windows key + R ( a Run dialogue box will appear).The DNS is responsible to translate a domain name to their corresponding IP Addresses. The most common problem is a problem with the DNS. We can then safely assume that it’s not an issue with drivers. So your laptop is working fine at home or school (or any other location), but not here. Device works somewhere else fine – Flush DNS There is no need to restart the router or access point if other devices can connect to the internet. To fix this issue we are going to focus on that device alone. In most cases is it just one device that gets the error Wifi connected but no internet and can’t connect to the internet. Anti-virus or firewall is causing problems.Wrong or outdated network information (IP address / Gateway).When only a single device can’t connect to the internet, then the problem is most likely related to one of the following issues: Problem with your wireless network (test your network with a network cable first).When multiple devices have the problem then the cause can be related to one of the following: Important is to first test if it’s only one device that has the problem or multiple devices. Still Experiencing Issues?The error message can be something like No internet access or Wifi connected but no internet. If you find that it the channel is congested, please refer to your router manual on how to switch to a different channel.

We recommend you download a W-Fi Analyzer app on your device, and check to see if the wireless channel your router broadcasts on is congested. Connect directly to your Router from a device connected to the router.We recommend restarting your router and modem at this point, as it could be the culprit of your issue. If you are experiencing difficulties across multiple devices, we recommend you contact your router manufacturer for additional troubleshooting. If you are still having issues on only your LG device, we recommend you contact LG customer support.

I'm sorry we were unable to resolve your issues here. Note: If there are IP addresses specified in the fields for the primary and seconday DNS servers, write them down for future reference.