Having an internet connection that cuts out just when you need it most is a real headache, especially when you're completely reliant on Wi-Fi and can't run an Ethernet cable to your computer. Often, to try and fix this, we resort to range extenders or repeaters , but these devices can also cause their own problems, becoming more of a hindrance than a solution if they aren't configured correctly.
From annoying errors that prevent us from accessing certain online games to the common problem of the device freezing and appearing as an unidentified network , the issues are varied. In this article, we'll thoroughly analyze why this happens and how you can optimize your Wi-Fi network for optimal performance, preventing you from having to restart the repeater every five minutes.
Why isn't my WiFi amplifier working properly?

There are many reasons why a repeater might fail. One of the most common is improper placement . If you place the device in an area where the router's signal is already almost nonexistent, the repeater will have nothing to amplify; it will essentially be retransmitting a weak and corrupted signal. On the other hand, placing it too close to the router is a common mistake that can generate interference and noise on the network, causing devices to compete for the same channels.
Physical obstacles also play a role . Materials like concrete, cement, or thick glass act as barriers that drastically attenuate the signal. While a drywall wall allows WiFi to pass through relatively easily, a stone or metal wall can reduce the network's power by more than 12dB, rendering the amplifier practically useless.
Common problems and how to solve them step by step

When the device starts acting up, the first thing to try is the simplest solution. If you see a red LED lit on the repeater , it indicates a pairing problem. In these cases, the best approach is to reset the device to its factory settings using the Reset button and resynchronize it, preferably at a short distance (less than two meters) from the main router before moving it to its final location.
If your connection is unstable or you notice a significant drop in speed, check the band you're using. The 2.4 GHz band has greater range and penetrates walls better, but it's slower and more prone to interference. The 5 GHz band offers much higher speeds, but it's very sensitive to distance and obstacles. Sometimes, switching between bands resolves connection errors in specific apps or games that display error codes.
- Electrical Reset: Disconnect the device from the power supply for 30 seconds to clear the temporary memory.
- IP Configuration: Avoid IP conflicts by assigning static addresses if you notice that the system blocks the connection after a certain time.
- Firmware update: Make sure the manufacturer's software is up to date to fix stability bugs.
- DNS Cleanup: In Windows, use the command
ipconfig /flushdnsIt can help if the problem is with name resolution.
Network interference and saturation

It's not all about configuration; the environment plays a vital role. Appliances like microwaves or even other cordless phones can cause interference that disrupts the signal. Additionally, you need to consider the limit on connected devices. If you have too many smart bulbs, mobile phones, and televisions, you can create a bottleneck . With just 8 or 10 devices, some inexpensive repeaters start to malfunction and randomly disconnect equipment.
Another critical point is security encryption . If your router uses WPA3 but your repeater is older and only supports WPA2, you could experience authentication problems. It's recommended to use the most modern standard that's compatible with all your devices to avoid compromising your network's security and performance.
Alternatives when the repeater is not enough

If you're still experiencing dropouts after trying everything, a traditional repeater might simply not be the right solution for your home. A much more robust option is a WiFi Mesh system . Unlike repeaters, which create separate networks or simply extend a signal, Mesh nodes work intelligently and in a coordinated way, allowing you to move around your home without micro-disconnections and efficiently distributing the data load.
Another highly effective alternative is PLC (Powerline) , which transmits the internet signal through your home's electrical wiring. This eliminates the problem of thick walls and wireless interference, as the connection travels by cable to the node where it is converted back into Wi-Fi. Finally, if you have network ports in your walls, the best option is to connect the repeater using an Ethernet cable and configure it as an Access Point (AP), thus eliminating any speed loss along the way.
To maintain an optimal connection, it's vital to combine good hardware from reputable brands with a strategic location, avoiding saturating the wireless channel and keeping network drivers updated on your PC. The key lies in finding the right balance between distance from the router and signal quality, resorting to more advanced technologies like mesh networks or internal cabling if the building's structure is too hostile to radio waves.