Airport utility: green points on the AirPort Extreme & Internet; Mini Mac does not connect to the internet.

Airport utility shows green points on the AirPort Extreme and the Internet, but my my Mac mini does not connect to the internet. IPhones and 2 portable Windows connect very well, and see all the devices on the home network. The problem occurred after that PSI has swapped an ancient for a Comtrend CT5072T DSL modem. I tried to stop and things start back up as if the installation of the internet for the first time. No joy.

The airport connects using DHCP in Bridge Mode

The router address is 192.168.80.1

Address IPv4 is 192.168.80.2

DNS server is the same as the router, but grayed out

Mac Mini IPv4 Address is 192.168.80.3

IPv6 automatically configures

Also updated the firmware of the airport; no change.

ISP guy was friendly but puzzled. He started at the top floor level Tech, so I do not know when I hear back.

Any ideas to fix?

Thank you.

Post edited by: en maschera

but my my Mac mini does not connect to the internet.

The problem occurred after that PSI has swapped an ancient for a Comtrend CT5072T DSL modem.

Hello

Network preferences may be damaged.

Open the Finder. In the Finder menu bar, click go > go to folder

Type or copy paste the following text:

/ Library/Preferences/SystemConfiguration

Click OK, and then move all files in the SystemConfiguration folder to the trash.

Restart your Mac. See if that makes a difference.

Your Mac will generate a new SystemConfiguration folder for you.

Then open AirPort Utility located in HD > Applications > Utilitiies

Make sure that both Internet and Extreme are green.

Tags: Wireless

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