My router isn't distributing Wi-Fi: What to do if the network is down or not working

You turned on your laptop, smartphone, or tablet, and instead of the usual list of networks, there's nothing there or the message "No internet access" appears. Or the router is distributing Wi-Fi, but devices aren't connecting, and the indicator WLAN blinking abnormally fast. Sound familiar? According to statistics Juniper Research68% of home internet problems are related to a faulty wireless network, not the ISP. This article will discuss all possible reasons - from the banal disabling of the Wi-Fi button on the case to hidden firmware failures, which are not visible in the web interface.

It's important to understand: if your router isn't broadcasting Wi-Fi, it doesn't always mean it's broken. In 80% of cases, the problem can be resolved using software—without calling a technician or buying new equipment. We've compiled a collection of proven diagnostic methods, arranging them from the simplest (checking cables) to the most complex (analyzing system logs). Each section contains step-by-step instructions with illustrations of key points relevant to each model. TP-Link, ASUS, Keenetic, Zyxel and other popular brands.

1. Checking physical connections and indicators

Start with a basic diagnostic—often the problem lies in a disconnected cable or an accidentally pressed button. Inspect the router for:

  • 🔌 Nutrition: is the indicator on? PowerIf not, check the outlet, power supply (it should not be bulging or cracked), and cable. Try another adapter with similar specifications (for example, from an old smartphone with an output 12V/1A).
  • 🌐 Internet cable: Is the connector firmly inserted? RJ-45 to the port WAN (usually highlighted in blue)? Reconnect it, making sure the latch locks into place with a distinctive click.
  • 📶 Wi-Fi button: on some models (eg, TP-Link Archer C6 or ASUS RT-AX55) There's a physical wireless network enable button on the back panel. It can be accidentally disabled.

Please note the behavior of the indicators:

Indicator Normal condition Sign of a problem
Power It burns with a steady light Does not light or flashes with pauses >1 sec
WAN Lights up or flashes at a frequency of 1 time every 2 seconds Doesn't light up at all or blinks randomly
WLAN Lights steadily or flashes when active Does not light up or flashes at a frequency of >3 times per second
LAN Lights up when a device is connected Doesn't respond to cable connection

If the indicator WAN If the light isn't lit, the problem may be with your ISP. Check if the internet works by connecting the cable directly to your computer (bypassing the router). If it does, there's a problem with the router. If not, call your ISP's support team.

📊 How often do you have problems with Wi-Fi?
Once a week
Once a month
Less often
Never

2. Rebooting the router: when and how to do it correctly

A simple reboot solves up to 30% of Wi-Fi problems. But there are some caveats:

  • ⏻️ Soft reboot: via the web interface (System → Restart). Suitable if the router responds to commands.
  • 🔄 Hard reboot: hold the button Reset (usually recessed into the body) 5-10 seconds. Use a paper clip or toothpick. This method will reset all settings to factory defaults - use it only if a soft reset does not help.
  • Power cycleUnplug the router for 30 seconds, then plug it back in. This clears the RAM cache.

After rebooting, wait 2-3 minutes—the router needs time to initialize the Wi-Fi module. If the network still doesn't appear, check to see if the settings have been reset:

Check the network name (SSID) in the list of available ones|Make sure the password has not been reset|Try connecting from another device|Go to the web interface and check the WAN connection status-->

On some models (eg, Keenetic) After a reset, the "Access Point" mode is enabled instead of "Router" mode. This can be fixed in the menu. Internet → Connection Type.

3. Checking Wi-Fi settings in the web interface

If the router is turned on but the network isn't visible or devices aren't connecting, go to the control panel. To do this:

  1. Connect your computer to the router via cable (port LAN).
  2. Open your browser and enter your router's IP address. This is usually 192.168.1.1 or 192.168.0.1 (indicated on the sticker below).
  3. Enter your login and password (by default it is often admin/admin).

In the Wi-Fi menu, check the following settings:

  • 📡 Turning on the network: in the section Wireless Network → Basic Settings There should be a check mark next to "Enable wireless broadcasting" (or something similar).
  • 🔒 SecurityIf the network is visible but won't connect, check the encryption method. The best option is WPA2-PSK (or WPA3 for new models). Outdated WEP can be blocked by modern devices.
  • 📶 Channel and width: If the network drops out periodically, try manually setting the channel (for example, 6 or 11 for the 2.4 GHz band) and the width 20 MHz instead of 40 MHz - this will reduce interference.

On models with support MU-MIMO (For example, ASUS RT-AX88U) check if this feature is enabled in the section Wireless Network → ProfessionalDisabling it may help if older devices are connected.

How to find out free Wi-Fi channels?

Use apps like Wi-Fi Analyzer (Android) or NetSpot (Windows/macOS). They will show the channel load in your area. Choose the one with the lowest noise level (usually channels 1, 6, or 11 in the 2.4 GHz band).

⚠️ Attention: If you have changed the network name (SSID) to Cyrillic or emoji, some devices (especially older ones) iPhone or Samsung (Until 2018) may not see this network. Use Latin characters and numbers.

4. Firmware update and factory reset

Outdated firmware is a common cause of unstable Wi-Fi performance. Manufacturers regularly release updates to fix bugs in the wireless module. To update the firmware:

  1. Download the latest version from the manufacturer's official website (for example, for TP-Linktp-link.com/ru/support).
  2. Go to the router's web interface, section System → Software Update.
  3. Upload the downloaded file and wait for the process to complete (do not turn off the router!).

If the problem persists after the update or the router starts to work worse, perform a factory reset (button Reset for 10 seconds). This will delete all user settings, including Wi-Fi passwords and rules. QoS.

⚠️ Attention: On routers Keenetic with firmware NDMS 3.x Factory reset may result in loss of license for advanced features (e.g. VPN or IPTV). Before resetting, save a backup copy in the partition System → Configuration.

After resetting, reconfigure the router using the Quick Setup Wizard. Make sure:

  • 🔗 The correct connection type has been selected (PPPoE, Dynamic IP etc. - check with your provider).
  • 🔐 The Wi-Fi password must be at least 8 characters long and include numbers/special characters.
  • 🌍 The region is set correctly (for example, Russia or Europe), otherwise some channels may be blocked.

5. Diagnostics of hardware faults

If software solutions don't help, there may be a hardware problem. Common signs include:

  • 🔥 The router gets very hot (especially in the chip area) Wi-Fi).
  • 📉 Indicator WLAN does not light at all or flashes randomly.
  • 🔌 After rebooting, the network appears for 5-10 minutes, then disappears.

What you can do yourself:

  1. Check the antennasIf they are removable, carefully unscrew and screw them back in. The contacts may have oxidized.
  2. Clean off dust: Use a can of compressed air to blow out the vents.
  3. Check the capacitorsIf the router is older than 5 years, bulging capacitors on the board may cause unstable operation. This requires soldering.

To diagnose the Wi-Fi module at the hardware level, you can use the command in telnet (if it is enabled in the router):

iwconfig

If in the answer you see IEEE 802.11 ESSID:off/anyThis confirms a hardware failure in the module. In this case, the router must be repaired or replaced.

⚠️ Caution: Do not disassemble the router yourself if it is under warranty—this will void the warranty. Contact the manufacturer's service center.

6. Device compatibility issues

Sometimes the router distributes Wi-Fi, but individual devices cannot connect. This may be due to:

  • 📱 Outdated standards: devices before 2012 (eg iPhone 4 or Samsung Galaxy S2) do not support modern protocols 802.11ac/nEnable compatibility mode in your router settings. 802.11b/g.
  • 🔒 MAC address blocking: if the filter is enabled in the router MAC, add the address of the problematic device to the white list (section Wireless Network → MAC Filter).
  • 🔄 IP conflict: if the device receives an IP address from a different range (for example, 192.168.2.xwhen the router distributes 192.168.1.x), connection will be impossible. Set a static IP manually.

For diagnostics on Windows:

  1. Open Command line (Win + R → cmd).
  2. Enter ipconfig /all and find the line Wireless network adapter.
  3. Check if received IPv4 address (must be in your network range, eg 192.168.1.100).

If the address starts with 169.254.x.x, this means the device was unable to obtain an IP address from the router. Try:

  • Reboot both devices.
  • Disable/enable the Wi-Fi adapter in Device Manager.
  • Manually enter the IP in the network connection settings.

7. External interference and signal optimization

If your router is distributing Wi-Fi, but the network keeps dropping out or the speed is slow, external factors may be to blame:

  • 📡 Congested channel: in apartment buildings channels 2.4 GHz often overloaded. Switch to 5 GHz (if the router is dual-band) or select a free channel manually.
  • 🔌 Electrical appliancesMicrowaves, cordless phones, and even USB 3.0 devices can cause interference. Move your router away from them.
  • 🏠 ObstaclesConcrete walls, mirrors, and aquariums weaken the signal. The optimal location for the router is in the center of the apartment at a height of 1–1.5 m.

To improve coverage:

  • 🔄 Change the orientation of the antennas: If the router is vertical, point one antenna upward and the other horizontally.
  • 📶 Reduce the transmit power: in the settings (Wireless Network → Transmit Power) try to reduce the value with 100% to 75% - This can reduce interference.
  • 🔗 Use a repeater: if the area is large, install repeater (For example, TP-Link RE605X) or mesh system (ASUS ZenWiFi).

To check signal strength on Windows:

  1. Click Win + X and select Network connections.
  2. Click on your Wi-Fi network and see the value Signal level.
  3. If it is lower 3 out of 5, try moving the router or device.

8. When to contact your provider or service center

If all the above methods fail, the problem may be with your provider or require professional repair. Contact support if:

  • 🌍 The Internet doesn't work even when the cable is connected directly to the computer.
  • 🔌 The router does not respond to reset or reboot.
  • 🔥 There is a burning smell or crackling sound coming from the router body.
  • 📉 Speed ​​is below 10% of the tariff (check on speedtest.net).

Before calling your provider, prepare:

  • Router model and firmware version.
  • Connection type (PPPoE, L2TP etc.).
  • Error logs from the section System → Journal (if any).

If your router is under warranty, do not disassemble it yourself. A service center may:

  • Resolder the capacitors or the Wi-Fi chip.
  • Flash the router via UART (if the standard update does not help).
  • Replace the antenna connector or the Wi-Fi module itself.
⚠️ Attention: The cost of repairing a mid-range router (for example, TP-Link Archer C20) is often comparable to the price of a new device. Before repair, check the prices and compare them with the cost of a similar model.

FAQ: Frequently Asked Questions about Wi-Fi Problems

The router is distributing Wi-Fi, but there's no internet. What's wrong?

This is a typical situation where the router is connected to the ISP but doesn't receive internet from it. Check:

  1. Is the indicator light on? WAN (if not, there is a problem with the cable or port).
  2. Are the connection details entered correctly? (PPPoE-logins, VLAN ID etc.).
  3. Does the provider block access? MAC address (sometimes cloning is required MAC computer).

Also try connecting the cable directly to your computer - if the internet doesn't work, call your provider.

The Wi-Fi works, but it's very slow. How can I speed it up?

Reasons for low speed:

  • The channel is overloaded (change it in the router settings).
  • Obsolete standard 802.11b/g (turn on 802.11n/ac).
  • Restriction from the provider (check your tariff).
  • Background downloads on other devices (use QoS for traffic prioritization).

Also try disabling IPv6 in WAN settings if you don't use it.

My router won't save my Wi-Fi settings after rebooting. Why?

This is a sign of a malfunction. NVRAM (non-volatile memory). Possible solutions:

  1. Update your firmware to the latest version.
  2. Perform a hard reset (Reset) and configure the router again.
  3. If the problem persists, replace the router (repair NVRAM often impractical).

On some models (eg, ASUS with firmware Merlin) the command helps:

nvram commit

Enter it through telnet/SSH after changing the settings.

Is it possible to use a router without Wi-Fi, only via cable?

Yes, if the Wi-Fi module fails, the router will function as a router for wired connections. To do this:

  1. Turn off wireless network in settings (Wireless Network → Disable).
  2. Connect devices via ports LAN.

If you need a wireless network, connect an external access point (for example, TP-Link TL-WA801N) via cable.

How to protect your router from future failures?

Preventive measures:

  • Update your firmware every 3-6 months.
  • Use an uninterruptible power supply (UPS) to protect against power surges.
  • Do not place the router in closed cabinets or near heating devices.
  • Reboot your router once a month (this clears the cache).
  • Disable remote administration (WAN → Remote Access), if you don't use it.