wi fi connected but no ip address
Just changed from by to 3 home broadband, all my apple items connect ed ok and stay connected. However my best top Mac only connects when I re set the router and only for a short period
in network Wi-Fi shows as connected sometimes but mainly shows no ip address
i have tried re boot and restart computer but still remains the same
any help would be appreciated as I am losing the will to live wit it
iMac 27″, macOS 10.13