The following problems could be easily fixed by resetting your Wi-Fi extender:
To reset your Cogeco AC Wi-Fi extender:
The extender will resynchronize with your Cogeco modem, which can take up to 2 minutes.
Hitron HTEMN3 Wi-Fi extender:
Arris AM525 Wi-Fi extender :
If your extenders or your Wi-Fi performance does not work properly after a reset, please communicate with the Cogeco customer support.