How to fix Wifi connection errors on Mac

If you are using a Mac and you are facing a Wifi connection error, such as a Wifi connection error that keeps disconnecting or not being able to access the network, …. In this article, Taimienphi.vn will show you how to fix Wifi connection errors on Mac.

Some ways to fix Wifi connection errors on Mac that Taimienphi.vn introduced include: adjust packet size, reset PRAM and SMCreconfiguration DNSchange location, delete and re-add Wifi profiles.

Macbook can’t connect to wifi

Instructions to fix Wifi connection errors on Mac

Reset NVRAM / PRAM and SMC

If you’re running the macOS Sierra public beta, you’ll run into problems with your Wi-Fi connection. The temporary solution to fix the error is to restart the Mac. However, if this solution does not fix the error, try resetting (Parameter Random-Access-Memory), NVRAM (Non-Volatile Random-Access-Memory) and SMC (System Management Controller).

These are the parts of the Mac where you can control basic operations using basic system functionality.

– Reset PRAM / NVRAM:

Step 1: Press and hold power button until the Mac powers off completely. The hard drive and fan stopped spinning, and the screen went black.

Step 2: Proceed to open the Mac again.

Step 3: Immediately after hearing the startup sound, press and hold the key combination Command + Option + P + CHEAP.

Step 4: Press and hold the key combination until you hear the startup sound again and see the Apple logo.

Step 5: Release your hands from the keys and the PRAM/NVRAM will be reset.

– Reset SMC:

This process depends on whether you use a Mac computer or laptop, and if it is a laptop, has a removable battery or not.

Navigate to Advanced Network Settings

Follow the steps below:

Step 1: Click select System Preferences from the dock, or click the Apple logo from the menu in the top left corner.

Step 2: On the next window click Network.

DNS reconfiguration

DNS stands for Domain Name Server, change readable web addresses (such as www.google.com ) to an IP address that the server can understand. DNS acts like a phone book, there are different types of Internet connections.

Sometimes the DNS provided by your Internet service provider is not working properly, in this case you can use secure and public DNS change options like Google DNS, Google DNS changer on Windows is pretty simple, but on Mac it’s a bit more difficult.

Step 1: On the Network window, find and click Advanced.

Step 2: Select DNS.

Step 3: Click on the “+” icon.

Step 4: Type 8.8.8.8 or 8.8.4.4 into the box and press Enter (these are Google DNS options).

Step 5: Click select OK.

Finally try surfing the web to see if the Wifi connection fix on your Mac has been successful or not.

Adjust packet size

Some pages load pretty well but some don’t. This may be related to the number of packets that can be transmitted over the network. So you can adjust the value so that certain web pages can load.

Step 1: On the Network window, find and click Advanced.

Step 2: Next choose Hardware.

Step 3: Change settings Configure are from Automatic Fort Manually.

Step 4: Change MTU are from Standard (1500) Fort Custom.

Step 5: Add the value 1453 to the box and then press Enter. Click select OK.

Try surfing the web to see if the Wifi connection error is still there or not.

Change location and renew (release) DHCP

Sometimes the automatic location determined by the Mac may not be 100% accurate. In this case you can reset the custom location and accompanying settings to fix wifi connection errors on mac. In addition, here you can also renew (release) DHCP and IP address.

DHCP is a protocol for arranging and changing IP addresses to ensure traffic is controlled.

Step 1: On the Network Settings window, find and click Edit locations from the dropdown menu, where the Automatic option is selected.

Step 2: Click on the icon “+” and name the new location with whatever you want, then press Enter then click select Done.

You should now get a message saying “no IP address” displayed under the Wifi icon on the left side of the menu.

Step 3: Click select Advancedthen select TCP/IP from the menu.

Step 4: Click select Renew DHCP Lease and a new IP address will be assigned.

Step 5: Click select OK and try surfing the web to see if the Wifi connection error is still there or not.

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Above are some ways to fix Wifi connection errors on Mac. Hope you will fix Wifi error successfully. If you use a Windows computer, you may also encounter some common wifi errors, the fix of these errors has also been mentioned by Taimienphi.vn to help you quickly regain a normal internet connection.