@Hulo-Mao-23 Use another ethernet cable of a good quality and test if the issue has gone.

@BigSquidAUS Leave the Internal port field empty and click Save.

@jh8870 Well, since I don't know the TPG modem routers requirements, I believe you'll get the best answer to this question from TPG community or TPG tech support.

@jh8870 1. FW means firmware of the router - its operating system. 2. More or less yes. The get this FW version: Firmware Version:0.1.0 0.9.1 v5006.0 Build 220518 Rel.32480n you should probably ask...

@lukenz Have you tried restarting the router or using a different web browser ? If nothing helps you could try the public beta FW - here. I believe soon will be a new stable FW release.

@SamC0 If you have a multimeter device you could measure the power adapter voltage (12V) to check if it's working before buying a new one (12 V ⎓ 5 A). If the power adapter is not working you can buy...