@julian69 What is the operating system of your computer? Have you installed the driver for the 823N on your laptop? Can you detect any wifi network on it? Try to adjust some wireless settings of the...

@Jipe What is the default gateway of the front-end device/modem? Please ensure that there is no IP conflict between the C2300 and modem. Once you changed the LAN IP, the router need reboot to apply...

@Jah Please refer to the Onemesh compatibility list as below: https://www.tp-link.com/onemesh/compatibility/

@Dagster Please verify the firmware version of each Deco units. Open Deco app, click on internet-tab each Deco and get the firmware on the bottom. Besides, please show us a screenshot of the error...

@Michael_DK The agent is right, we can use a standard USB type-C cable to power it up with the original power adapter/charger. If it cannot be powered up with a phone charger and a USB type-C cable,...

@Arnout What is the model number of the extender? With it booted up, what is the led status of it?