@RAZEEN Most probably it's not. If with a new power supply shows nothing then you should probably buy a new device. You can claim a replacement if it's under warranty but for that you'll need to...

@TheHypnooToad Go through this thread for your issue.

@NaingTunLin I think that you should be able to configure any TP-Link wireless router without having an internet connection.

@inieto Connect to the 2.5Gbps port (like in the image) and observe the negotiated speed in the ethernet status: If you want to be certain that you're connecting to its 5GHz band disable Smart...

@inieto I don't know what you mean by bridge mode but the AP mode is the way to go in your case. Bridge mode is usually used when you have a DSL modem router - example (Step 4). AX55 Pro doesn't...

@Wrigs79 . If you have an nbn connection box perhaps you should use the VR2800 in wireless router mode - here's how.