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Wi-Fi connection problems on Mac: how to solve them

Can't connect to the Wi-Fi network with your Mac? The reasons can be multiple and it is not always easy to find a solution immediately. Precisely for this reason, I decided to show you in this article the various possible solutions to solve Wi-Fi connection problems on Mac. Continue reading to discover the solution to your problem.

Problems with Wi-Fi connection on Mac: possible solutions

It can happen, especially after updating the MacOS operating system, that Wi-Fi network connectivity problems occur with Apple computers. In these cases, you will be able to solve the problem definitively through the solutions that I will show you below.

Remove network configurations and preference files

A first solution consists in trashing the files with the network management preferences, in order to have a restore of the connection settings. To do this, all you have to do is follow these steps:

1) disable the Wi-Fi connection;

2) from the Finder, select the Go menu, choose the Go to folder item and paste the following path:

3) click on the Go button and move the following files to the trash (don't worry if some of the indicated files are not present):

4) after deleting the files, restart your Mac. Upon restarting, re-enable the Wi-FI connection. In this way, the previously deleted files will be restored. Locate your Wi-Fi network and enter the current password to connect.

Check the DNS

If the Wi-Fi connection is active but you cannot browse the web, then there may be a problem with the DNS server. important, therefore, to check the DNS and eventually restore them. To do this, go to the Network option in the System Preferences, after which in the left section select the WiFi item and click on the Advanced button. At this point, go to the DNS section and in the DNS Server column it shows the following addresses:

The addresses in question are services that freely offer their own DNS, allowing the resolution of names in Internet addresses (DNS), automatically resolving the names corresponding to various host addresses entered in the browsers at the first query. Once pasted in the appropriate fields, click on the OK button and close the Network preferences window. The connection may have recovered.

Reset the PRAM settings

An additional solution could be to reset the computer's PRAM. The PRAM (Parameter Random-Access Memory) a section of the computer memory on which certain settings are stored (eg the designated boot disk, monitor resolution, speaker volume and other information). If for some reason the PRAM area is corrupted, you can restore it using this procedure:

  1. shut down your Mac and then turn it back on;
  2. when the Mac is turned on and even before the gray screen is displayed, immediately hold down the following keys on the keyboard: Option, Cmd (or Apple), P and R;
  3. hold down the keys until the Mac restarts and you hear the startup sound for the second time. At this point you can release the keys and the computer will start up normally with the PRAM restored.

Reset the SMC

If the PRAM reset does not work, you can try resetting the SMC, the system management controller. The SMC is responsible for many low-level features of Intel-based Macs. These features include: battery management, some sensors, keyboard backlight and more. The way the system management controller is reset depends on the computer (whether a Mac with a removable, non-removable battery or a MacPro, an iMac or a Mac Mini). To do this, follow the steps below:

Other solutions

Some users report being able to solve connection problems with some routers by turning off Bluetooth; an attempt that can be made but obviously not a suitable solution for those who need to use Bluetooth devices.

And if the router was the problem?

The connectivity problem could also depend directly on the modem-router. The first attempt to make the router turn off and then on again after about ten seconds. If the problem persists, the problem may depend on the channel used, or on the positioning of the router. I invite you to read this other article explaining how to optimize the wireless connection.