“Why does my Mac’s Wi-Fi keep switching to another IP address?” Lory Gil writes for iMore. “We have the answer!”
Gi writes. “Are you getting this message when you try to use the internet on your Mac: ‘Another device on the network is using your computers IP Address.If you continue to have problems, change the IP Address of this computer or the IP address of the other device?'”
“If so, you may need to assign a new lease or reset the location of your Wi-Fi,” Gil writes. “Here’s how.”
Full explanation here.
MacDailyNews Take: If this happens frequently when you’re traveling and using unfamiliar Wi-Fi setups, this simple “how to” should proven to be quite valuable.