- Check whether the Wi-Fi router is turned on.
- Make sure you have not enabled MAC filter on your Wi-Fi router before setting up the TP-Link range extender.
- If you have configured MAC filtering and access control on your Wi-Fi router, disable the settings and reconfigure the TP-Link range extender.
- Check if you have entered a wrong Wi-Fi password.
- If the password is incorrect, the connection won't be established properly.
- Also, check the TP-Link range extender's firmware version by referring to the user manual that comes along with the product, to check it may be any cause of making TP-link extender not connecting to router issue.
- If you are using an obsolete firmware version, download the latest firmware version from the official TP-Link site.
- Before downloading the firmware for TP-Link range extender, check if you have a standard internet connection.
- Make sure not to turn off the computer while downloading the firmware to solve Tp-Link extender won't connect to router problem.
- After downloading the latest firmware for the TP-Link extender, log in to the Web GUI of the Wi-Fi range extender.
- Navigate to Settings System Tools Firmware Upgrade.
- Click the Browse button and choose the downloaded firmware file.
- Click the Upgrade button and wait until the firmware upgrade is complete.