How to Fix Poor Wi-Fi Connection on MacOS Sierra?

by Gerry Martin office setup

A slow Wi-Fi connection is among the most annoying errors over the globe. If you are facing the same on MacOS Sierra, then we will help you out. So, here are the instructions to fix poor Wi-Fi connection on MacOS Sierra.

Remove Wi-Fi Preferences

If you wish to remove Wi-Fi preferences, then pursue the given instructions.

Turn off all the running apps that are using Skype, Wi-Fi browsers, etc.
You should turn off the Wi-Fi.
Then click on the Wi-Fi menu section and choose the option ‘Turn Wi-Fi off.’
Open the Finder and click on the Cmd + Shift + Go to launch the Go To Folder.
Input the pursuing path into the fresh screen: /Library/Preferences/SystemConfiguration/.
Locate the files listed under and choose them:
- com.apple.airport.preferences.plist
- com.apple.network.eapolclient.configuration.plist
- com.apple.wifi.message-tracer.plist
- NetworkInterfaces.plist
- preferences.plist
Delete those files by moving them to Trash option.
After matching the Wi-Fi setup files are removed, reboot the Mac.
Now, if the PC boots up, select the Wi-Fi menu section and choose the Turn Wi-Fi On.

Reset Network Location with DNS and Custom MTU

If you would like to reset the network location with DNS and custom MTU, then abide by the given steps.

Navigate to System Preferences and choose the Network.
You should choose the Wi-Fi with the left-hand side panel.
Launch the menu of Location and select the Edit Locations.
Go to the +add icon to make a fresh network location and name.
Launch the drop-down section of Network Name and select the Wi-Fi network you would like to link to.
You have to choose the Advanced option on the Network panel and launch the TCP/IP button.
Reach the Renew DHCP Lease.
Launch the DNS button beneath the DNS Servers and click on the +add tab.
You should add every IP onto its own entry: 8.8.8.8 and 8.8.4.4.
Go to the Hardware option and assign Configure to Manually.
You have to set MTU to Custom and number it to 1453.
Now, click on the OK and Apply button to store the changes.

Turn off Automatic Download to Repair Poor Wi-Fi Connection on MacOS Sierra

If you wish to turn off automatic download to repair poor Wi-Fi connection on MacOS Sierra, then pursue the given instructions.

Go to System Preferences.
After that, the App Store and untick the box of Download newly available updates in the background.

Source: https://office-product-key.com/how-to-fix-poor-wi-fi-connection-on-macos-sierra

Solve SSL Certificate Issue

If you would like to solve the SSL certificate issue, then abide by the given steps.

Reach the Wi-Fi button within the menu on the upper side of the screen.
You should click on the Open Network Preferences.
Select the Advanced option and select the network you use at the time.
Click on the minus button and select the OK button.
Keep the similar Network Preferences screen and select the Wi-Fi at the left-hand side.
Click on the Minus icon and Apply button.
Select the Addition icon and pick the Wi-Fi option beneath the Interface and Service section.
Now, click on the Apply button to save the changes.

Gerry Martin is a Microsoft Office expert and has been working in the technical industry since 2002. As a technical expert, she has written technical blogs, manuals, white papers, and reviews for many websites such as office.com/setup.