MacOS – Problem with WIFI after sleep

macbook promacosNetworkwifi

I have problem with WiFi after sleep on my Macbook Pro 13 2015 Sierra. After sleep laptop is still connected to the network but i can't load websites, ping. I must wait long time or turn of and turn on wifi to resolve problem

Best Answer

The MacBook maybe connecting to wrong server while asleep. Check that you are connected to correct Wifi. I have this problem on my iMac. After waking, the internet was very sluggish if working at all. For some reason my computer switched its connection to another server without a password. I have to manually change it back to my own wifi.

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MacOS – DNS Problem with the Macbook Pro

Try using Google DNS - it will solve the problem, but doesn't go very far as to explaining why it's only your computer experiencing it. It might be worth checking in your hosts file to see if there are any unexpected entries.

Open Terminal Type "Sudo nano /etc/hosts" Enter your admin password

Your ouput should be something similar to the following:

##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting.  Do not change this entry.
##

127.0.0.1       localhost
255.255.255.255 broadcasthost

Push ctrl + x to close when finished, and then you can close terminal. You may also have two more localhost entries - you're looking for anything with a * or any of the websites you use normally. I know SelfControl.app modifies this file and sometimes doesn't change it back.

How to force macbook reconnect to best wifi after sleep

Go into System Preferences-> Network. Select Wi-Fi and click "Advanced" change the order of preferred networks so that your home network is listed before your Android hotspot's.

Best Answer

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MacOS – DNS Problem with the Macbook Pro

How to force macbook reconnect to best wifi after sleep

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