OS X Mountain Lion and later

If the DNS server your Mac uses is offline, slow, or faulty, you may be unable to connect to any site or service by name. That should bring up the Google website. If it does, then you know your Internet connection itself is fine and the problem is merely looking up domain names.


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Click Advanced followed by DNS. If those addresses are enabled black, as opposed to gray , select each one in turn and click the minus-sign - button. Click OK and then click Apply. Now try connecting again.


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And on a larger scale, accidental damage to a major fiber optic cable can and occasionally does wipe out Internet access to a large region. So, sometimes the only solution to an Internet outage is to wait for it to be fixed. Home Questions Tags Users Unanswered.

Troubleshooting Wi-Fi Problems with MacOS Mojave

Asked 2 years, 5 months ago. Active 1 year, 8 months ago. Viewed 31k times. I've tried turning off Wi-Fi and restarting the computer but neither has worked.

2. Use Network Diagnostics

Jay Jay 1 1 gold badge 1 1 silver badge 3 3 bronze badges. Is there not anyone in your office responsible for maintaining the computers and network that you can have look at your issue? Did not seem to work for me, I did manage to get onto another network that we have in the office, but the original one did not work. After the connection. It works sometime.

Mac troubleshooting: What to do when you can't connect to the Internet

Thank you so much!!! Thanks, just upgraded to Mountain Lion from Lion and the Wifi dropouts started immediately. I did everything listed above and now the connection is solid — Over 5 hours so far with no dropouts. Thanks for posting this information.

Internet not Working Due to Self-Assigned IP Address on Mac: How to Fix the Issue

Thank you soooooo much! Great article.

How to Fix Wifi or Network Issues on MacBook, MacBook Air, iMac, Mac Mini - Can't Connect to Wifi

Somehow that worked. I was about to throw this mac out the window. This is an excellent article, covers everything you need to know in a simple, concise manner. Get yourself a wifi analyser app on your phone, look to see which channel is the least crowded, and set your wifi router to that channel. This is the only solution that worked for me.

Wow… Your advice and tips actually worked. Wish you could help me set up my idiot stick speakers now. If only! Keep up the good work! I got somewhat worries there. My knowledge of computer is limited. Thanks so much for help! You may also like.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook | Technobezz

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Remove and Re-Add The WiFi Service

Try setting MTU to in Network. I accidentally deleted my wifi and there is no wifi option on interface… HELP! Thanks a lot. I have tried every tips on the Internet nothing worked but yours.