Library/Preferences/SystemConfiguration/ Enter the following path exactly into “Go to folder” window and choose “Go”.Open Finder in macOS and pull down the “Go” menu and choose “Go To Folder” (or hit Command+Shift+G to get there quickly).Turn OFF wi-fi by selecting the wi-fi menu bar item and choosing “Turn Wi-Fi Off”.
What we’re going to cover here involves a longstanding approach to resolve most common wi-fi issues with Mac OS, composing primarily of removing existing wi-fi settings and then recreating a new network profile with some custom settings. We’ll walk through some some-tested troubleshooting steps to resolve wireless networking troubles with a Mac running macOS Sierra.