Wi-Fi is connected but there is no internet access: what should I do?

Many people are familiar with the situation where a smartphone or laptop happily reports a Wi-Fi connection, but web pages won't open in the browser. This condition is often described as "Limited" or "No Internet Access," and it means the local network is working, but the gateway is unable to communicate with the outside world. Diagnostics It starts not with panic, but with understanding where exactly the break in the chain occurred.

Your device successfully exchanged handshake with the router and received an IP address, but nothing further happened. The problem could be a simple ISP issue, incorrect DNS settings, or IP address conflicts within your home network. Windows and mobile operating systems react differently to packet loss, but the troubleshooting algorithm is the same for all of them.

Users often start randomly resetting settings or reinstalling drivers, although the solution lies in simply rebooting the equipment or changing the broadcast channel. Analysis The current situation will help avoid unnecessary fuss. Let's look at the main scenarios that lead to this digital impasse and how to quickly get the network back online.

Primary diagnostics and equipment testing

Before delving into the intricacies of your operating system's network settings, it's important to rule out physical factors and issues on the service provider's end. Often, the cause is as simple as a router freezing, overheating, or corrupting packets during a configuration update. Reboot - this is not a cliche, but a real way to clear the router's memory buffer from errors.

Pay attention to the indicators on the router body. If the light is on or flashing WAN (or a globe/planet icon), but the internet isn't working, the problem is most likely with your provider's line. If the indicator WAN If the light doesn't light up at all, check the cable coming from the provider: it might have come loose from the connector or been cut.

⚠️ Attention: If you are using a fiber optic connection (GPON), do not force the cable out of the router. Fiber optic cable is fragile, and breaking it will require calling a technician to replace the section of the line.

Check that your plan is paid. Providers often block internet access when your balance is zero, leaving only your personal account accessible. In this case, the connection status will be "Connected," but no traffic will flow.

There's a simple way to check where exactly the bottleneck is. Try connecting your ISP's cable directly to your computer (if there's a port). Ethernet) and start the connection. If the internet connection appears, then the problem is definitely with the router settings or hardware.

Problems with DNS servers

One of the most common reasons why Wi-Fi shows a connection, but websites don't load, is incorrect operation DNS serversThe domain name system translates human-readable addresses (like yandex.ru) into digital IP addresses that computers understand. If the DNS is down, the browser simply doesn't know where to look.

Often, providers provide their own DNS by default, which can be slow or error-prone. In this case, it makes sense to specify public and reliable addresses from Google or CloudflareThis will solve the problem in 90% of cases related to software failures.

To change DNS in Windows, you need to open your connection properties. Find the protocol Internet Protocol version 4 (TCP/IPv4), go to properties and select "Use the following DNS server addresses." Enter there 8.8.8.8 (preferred) and 8.8.4.4 (alternative).

The procedure is similar on Android and iOS smartphones, but it's located in the settings for a specific Wi-Fi network. Tap the "i" icon or gear next to the network name, find the DNS settings, and change them from "Automatic" to "Manual." After saving the settings, it's recommended to turn them on and off. airplane modeto reset the cache.

DHCP server failures and IP conflicts

Protocol DHCP is responsible for automatically distributing IP addresses to all devices on the network. If this process is disrupted, your device may receive an address already taken by someone else, or may not receive one at all, even though a connection is formally established. This leads to a "Connected, No Access" situation.

IP address conflicts often occur when there are many devices on the network or when someone has manually assigned a static address that falls within the router's range. This results in two devices "shouting" simultaneously, and the router loses control over them.

How to find out your IP address?

In Windows, open the command prompt and enter ipconfig. Find the IPv4 address line. If the address begins with 169.254.xx, the DHCP server did not issue an address, and the device assigned itself a random, non-functional value.

A solution may be to completely reset the network settings on the client device. In Windows, this is done via the command prompt with administrator rights. Enter the command ipconfig /release, and then ipconfig /renewThis will force the computer to re-request an address from the router.

If the problem is widespread (no internet on your phone, TV, or PC), it means the DHCP server inside the router itself has crashed. In this case, the only solution is a full reboot of the router, waiting 10-15 seconds after unplugging it.

Incorrect date and time settings

This point is often overlooked as unimportant, but for modern security protocols SSL/TLS Accurate time is critical. If the date on your device or router is incorrect (for example, reset to 2015), browsers will block connections to secure sites, claiming the certificate is invalid.

Visually, this looks like there's no internet connection: you can access an unencrypted website (http), but any modern resource (https) will return an error. Antivirus software and firewalls can also block all traffic if they detect a timestamp discrepancy.

Check your system's date and time settings. Make sure "Set time automatically" is checked and the correct time zone is selected. Routers with a dead CMOS battery or firmware updates that haven't been updated in a while may also lose their time after a reboot.

Wi-Fi adapter drivers and power saving settings

Sometimes the problem lies not in the router, but in the receiving device itself. Outdated or crookedly installed drivers Wi-Fi modules can cause instability. This is especially common on laptops after an operating system update.

Aggressive power-saving schemes can also disable the Wi-Fi adapter to conserve battery power, after which it fails to reconnect properly. The system displays network availability, but no data transfer occurs.

To eliminate this factor, go to the “Device Manager”, find your wireless adapter (usually the name contains the words Wireless, 802.11 or a brand like Realtek, Intel). In the device properties, on the "Power Management" tab, uncheck the "Allow the computer to turn off this device to save power" box.

If your drivers are outdated, download the latest version from the official website of your laptop or motherboard manufacturer. Don't rely on automatic driver installers from third-party sources—they often install generic but unstable versions of the software.

Reset TCP/IP and network settings

When simple methods fail, you have to resort to the "heavy artillery"—a complete reset of the operating system's network stack. Over the years, Windows accumulates a multitude of temporary files, DNS caches, and invalid registry entries that interfere with normal connections.

You can perform a reset using the command prompt, running as administrator. Running the commands one by one will clear the cache, reset Winsock, and update the IP configuration. This is safe and won't delete your personal files, but it will return your network settings to factory defaults.

netsh winsock reset
netsh int ip reset
ipconfig /flushdns

After running these commands, be sure to restart your computer. Windows 10 and 11 also have a built-in "Network Reset" button in the system settings, which does the same thing but with a more user-friendly interface. Use it if you're apprehensive about using the command line.

⚠️ Attention: After resetting the network, you may need to re-enter your Wi-Fi password, as the system will forget all saved connection profiles.

Table of main causes and solutions

For convenience, we'll systematize the knowledge we've gained. Below is a table that will help you quickly navigate the symptoms and choose the right solution.

When is it time to change your router?

If none of the software methods have helped, and updating the router to the latest version from the official website also yielded no results, it's worth considering the age of the equipment. Older models that only work within the range 2.4 GHz and supporting the standard 802.11n, may not be able to handle the load of modern gadgets.

Full device memory or degraded flash memory (where the firmware is stored) can cause persistent errors and prevent the device from saving correct settings. In this case, the "Connected" status remains, but the routing functionality is no longer functional.

Also, the router may not support the connection type or encryption protocols that your provider uses in 2026-2026. For example, the provider may switch to IPv6 or new authorization standards may render the old device useless.

How to understand that the router is dying?

It gets very hot, reboots spontaneously, loses settings after a power outage, or only heats up Wi-Fi in close proximity (up to 1 meter).

Modern dual-band routers with support Wi-Fi 6 (802.11ax) Provide not only high speed but also a stable connection, allowing dozens of connected devices to operate without any lag. If your router is more than 5-7 years old, replacing it is the best solution.

Why is there an exclamation mark on the Wi-Fi icon?

An exclamation mark means the device has connected to the access point (router) but is unable to access the global network (internet). This could be due to an incorrect password (although in that case, the error would say "Incorrect Password"), a low balance with the provider, or a problem with the router settings.

Can an antivirus block the internet?

Yes, some antivirus programs have a "Network Protection" or "Firewall" feature that may mistakenly block all incoming and outgoing connections if they detect a public or unsafe network. Try temporarily disabling your antivirus to test.

What should I do if I have internet via cable but not via Wi-Fi?

This indicates a problem with the router's wireless module. Try changing the wireless channel in the router settings (for example, from "Auto" to 1, 6, or 11), reducing the transmitter power, or changing the security standard from WPA3 to WPA2.

Will resetting the router with the Reset button help?

Reset button Reset This will reset the router to factory settings. You'll have to reconfigure your connection to the ISP (login, password, connection type). This helps if critical errors have accumulated in the router settings, but it takes time to reconfigure.

Does weather affect Wi-Fi performance?

Heavy rain, thunderstorms, or snowfall can weaken the signal, especially if you're using a wireless connection from your ISP (radio). For home Wi-Fi (a router inside your apartment), weather isn't a factor, but lightning strikes can damage electronics via the ISP's cable.