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How to Fix Mac Wi-Fi Problem: A Simple Guide

Updated on October 24, 2016

Is your Mac Wi-Fi not working? Or Is it running slow?

It can happen due to various reasons which may include connectivity or hardware related issues. In this article, we can discuss the issues and solutions to fix Wi-Fi on your Mac. These wireless networking features can help you troubleshoot your Mac’s Wi-Fi connection issues to strengthen it further. Let’s discuss certain steps to fix Mac Wi-Fi problem.

Install a Wi-Fi extender

Use various Wi-Fi extensions like a separate wireless access point, use powerline adapters to connect the router and separate access point or try switching off the wireless access point on your router. These Wi-Fi extenders can help you in a situation where you cannot move your router as it is fixed connection to your broadband or with cable socket. It will give you freedom to maximize its range and minimum noise by positioning the wireless base station. Further, you can place another Wi-Fi device closer to the router. You can select Wi-Fi extender of your choice from several available options. Remember to change your Wi-Fi name and password of the new device as similar to the current wireless router so that your Mac can pick whichever device if offering the better connection.


Wireless diagnostic

You can use this new feature called Wireless diagnostic to fix Mac Wi-Fi problem. It doesn’t change any settings automatically but can help you work effectively with your wireless connection. To use Wireless Diagnostic, hold on the Option(Alt) and click on the Airport icon on the right-hand side of the top menu bar. Select open wireless diagnostic and click Continue. Wireless diagnostic helps you monitor your network for ‘intermittent connectivity failures’. It also explains and places a report related to it to your Desktop and it reports the same to Apple.

Keep a tab on graphs

You can find graphs in Performance window. In Yosemite or later versions, it displays three graphs. First shows transmission rate, second signal quality and third displays signal and noise levels. Keep the window open for some time and monitor the changes. Sudden dips in data rate or complete drop off are considered to be the first indication of a problem. The middle graph labeled as Quality shows the ratio of signal to noise over time. Ideally, it should be a straight line with small spikes. The bottom graph called Signal displays signal strength and measured noise. It is displayed as dBM (Decibel-milliwatts), which is commonly used the unit for the absolute power of radio signals. For reliable signal a signal strength should be in between 60 to -10 dBM and a noise level below -75 dBM.

Update Operating system

Operating system updates offer you fixes for many existing issues and better services. These updates can improve the performance of Mac’s wireless connectivity. To run the latest version of AirPort software, go to Apple > Software Update. This way you can smoothen up your internet connectivity through Wi-Fi.

Update router firmware

It is important to check whether your router is running the latest firmware. Router and modem update to the latest firmware depends on the type of the router you are using. Apple router 9such as AirPort Express, AirPort Extreme, Time Capsule) generally check for updates periodically. To update the latest firmware, go to AirPort Utility (Go > Utilities > AirPort Utility) and select the AirPort base station or Time Capsule and click update. Most routers which are provided by various internet service providers have a web-based interface that you access through Safari. To update firmware find the IP address, enter the digits into your Safari browser to access the web-based interface. Next, enter your admin name and password to find an option for a firmware update. There are many internet service providers which are updating modems to the latest versions automatically.

You can follow above mentioned steps to solve your Wi-Fi related issues. Other than Wi-Fi issues your system can face other performance related issues as well which happen due to various reasons. One such reason is cluttered and unorganized data on your Mac. To deal with the situation you can use best Mac cleaner apps to declutter and organize the data on your system.


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