This article is about the slow wireless network (Wi-Fi) problem of MacBook computers (MacBook Air and MacBook Pro) to make corresponding solutions. Slow Wi-Fi is one of the common Wi-Fi problems.

What are the performance of slow Wi-Fi connection?

1. The download speed is too slow.
2. The website takes a long time to load
3. Sometimes your Wi-Fi connection may seem slow: the WiFi signal is full, but your videos (YouTube, Netflix, etc.) are lagging, and streaming videos keep buffering.

What are the factors that cause the slow Wi-Fi speed?

1. There is a problem with your MacBook Wifi flex. This is to go to the repair shop to replace the Wifi flex.
2. Your Internet and Wi-Fi equipment (modem, router)
3. Your Internet Service Provider

How to solve the slow Wi-Fi problem of Macbook?

Before we start solving the slow Wi-Fi problem on the Macbook: Check your router settings. Make sure that the cable is plugged in correctly. Make sure they are working properly. If you are using a VPN service, please disconnect from it. Contact your internet provider to see if they have any problems. You may also have exceeded the monthly data limit. Avoid interference. Keep your router away from other Wi-Fi devices, such as baby monitors, microwave ovens, cordless phones, etc. Please try every step until you solve the problem.

1. Restart your MacBook

You can restart your computer by going to Apple Menu> Restart.Restart MacBook

2. Update the macOS software on the MacBook

If your computer is running macOS Mojave or later (e.g. Catalina), go to "System Preferences"> "Software Update." If an update is available, click Update.

If your computer is running an older version of macOS software, open the App Store and click Update.

3. Disable and re-enable Wi-Fi

To do this, click the Wi-Fi icon in the menu bar, and then click Turn off Wi-Fi. Then wait about one minute, then click the Wi-Fi icon, and then click Turn on Wi-Fi.

Enable Disable Wi-Fi

4. Use wireless diagnostics

Close all open applications, hold down the Option key, and while holding down the Option key, click the Wi-Fi icon in the menu bar, and then from the drop-down menu, click Open Wireless Diagnosis Wireless Diagnosis, you may need to enter the administrator password , A window will appear saying "Analyzing your wireless environment", click Continue and follow the instructions on the screen. If the result shows "Your Wi-Fi connection seems to be working as expected", please select "Monitor my Wi-Fi connection" option.

5. Reset the network settings on the Mac.
6. Delete existing Wi-Fi preferences

Quit all open applications

Turn off Wi-Fi

Now, from the Finder, click Go and go to the folder. Enter the following and click Go./Library/Preferences/System Configuration/

Go to folder

This will open a new window. Find and select the following files:

com.apple.airport.preferences.plist

com.apple.network.eapolclient.configuration.plist

com.apple.wifi.message-tracer.plist

Network interface.plist

Preferences.plist

Drag these files to the desktop.

Now restart your Mac

Turn on your Wi-Fi

If you are satisfied with the results, you can now delete the files placed on the desktop. If you are not satisfied with the results, you can put them back in the SystemConfiguration folder.

7. Reset PRAM

Shut down your Mac

Turn on your Mac and immediately press the Option, Command, P, and R keys simultaneously for about 20 seconds.

Your Mac will restart.

8. Reset SMC

Shut down your Mac

Now press the Shift-Control-Option key and the power button at the same time. Press and hold the button for about 10 seconds. Then release them.

Now press the power button to turn on your Mac.

9. Forget the Wi-Fi network and reconnect

On your computer, open System Preferences and click Network, then click Advanced

Choose the Wi-Fi network you want to forget (hint: slower network)

Click the minus (-) icon

Click delete

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