Is the Wi-Fi acting poorly for other devices, too? That’s a good sign that the network itself is at fault. Check your Wi-Fi connection and restart your router Piotr Adamowicz If the diagnostics tool finds a major problem, it may stop diagnostics entirely and give you a pop-up window instead with a valuable description of what’s going wrong. Select the blue “i” button next to each summary note to learn more, and see if any of the notes include an important error or failure that you can note when pursuing solutions. When given a choice, head to the summary of the diagnostics. Click Continue, enter your login password if necessary, and wait for the diagnostics to complete. Then, select the Open Wireless Diagnostics option that has appeared there. Start by running this tool: Hold down the Option key ( Alt on some Mac keyboards) and select the Wi-Fi icon in the upper-right corner of your screen. Modern versions of MacOS (since around Mountain Lion times) have a diagnostic tool built in to check the wireless network. Take a look and find the solutions that fit your problem. Here’s a guide on what to do to get your MacBook back on the network quickly and fix what went wrong. We know you want to get back online right away, whether it’s to turn in an important report or catch up on the latest streaming episode. Since Wi-Fi is a vital part of today’s MacBook experience, connection problems are serious business.
