Fix WiFi connectivity on MAC

First you need to identify what is the exact issue in your Mac. Then following steps will help you rectify Wi-Fi connectivity problem on your Mac.

  1. Check your device updates:

  • Check if your device is up to date
  • Check if software update is available or not on your device. You need to install all the updates.
  • If you are using third party Wi-Fi router, then you need to check if all firmware has updated. If update is available for download then first update firmware.
  • Check if your apple Wi-Fi base station firmware is up to date.
  1. Check your connections: 

    Sometimes the router wires are loose or disconnected. Verify if all Ethernet and power cables are properly connected. If Ethernet cables are damaged then replace them. This process should fix your issue without any further troubleshooting.

  1. Verify if you are using recommended setting for your Mac device

  2. Restart your network device: 

    Turn off your router for 30 seconds and then turn it on. Then reconnect your Mac with your Wi-Fi and check if it works now.

  1. Wireless diagnostic:

    Apple has introduced new tool in Mac OS X 10.8.4 which is wireless diagnostic. This tool helps to fix your Wi-Fi connectivity issue.

You can follow these steps to use diagnostic:

  1. Hold Alt key and click on airport icon on right hand side of the top menu bar.
  2. Select open wireless diagnostic.
  3. Press continue.

unable to connect mac to wifi

 

Diagnostic process check the exact issue in your Mac and it will send a report to Apple. Apple resolves it with the help of some data. Tap on continue at the bottom of the box. This action gives your permission to send the report to Apple.

mac connectivity issues

 

Some more tips for re-positioning your router:

  • If you are facing same problem again then you can try re positioning your router. If possible then shift your router to the nearest Mac device.
  • Your router should be at high position because your furniture or other household items may abstract the signals.
  • Avoid all electrical devices such as electrical fan, motor; microwave because these devices are general causes of wireless crashing.
  • If your router has expandable antennae then place two antennae at 90 degree angle that is, one vertically and one horizontally. This tactic helps in receiving fast signals to your router.

Troubleshooting:

Problem: My Mac is not connecting to the internet.

Solution: You can try these steps to fix it

  1. Check if your Wi-Fi is on:

    If your mac looks like one above that means, you have connected with Wi-Fi. If not then select turn wi-fi on from the menu.

  1. Check if you have connected to correct Wi-Fi.

  2. After confirming that you have connected to correct Wi-Fi, if still you are facing same problem then check TCP/IP setting from system preferences.

Follow these steps-

  1. Select system preference from the Apple menu.
  2. Select Network from view menu.
  3. Select Wi-Fi, then click the advanced button in the lower left hand corner of the screen.
  4. Select TCP/IP option from the top of the menu. If no IPv4 address appears, or if the IP address starts with “169.254.xxx.xx”. Click Renew DHCP Lease.
  5. Take help from your network administrator to identify correct TCP/IP setting for your Wi-Fi network otherwise your Mac will not be able to connect to internet.
  6. If your TCP/IP setting is correct but still you are unable to connect to Wi-Fi, then check the DNS tab. DNS is the internet service, which translates IP addresses into URL and vice versa. Correct DNS setting will allow connecting to internet.

How to fix when wi-fi is slow:

Indication:

  • Unable to download Streaming movie
  • ITunes or other app may take unnecessary long time to complete.
  • Web pages not loading fast.

Resolution:

If you are unable to access fast internet, check your network support. The correct Wi-Fi standard 802.11n provides the fastest internet speed. To check your protocol follow next step-

  1. Hold the option key while clicking the WiFi menu. WiFi Menu shows the protocol that you are using for Wi-Fi network. If this does not show expected protocol then check the setting of your WiFi router and consult manufacturer of your router.
  2. Disable other active network facilities. Active network consume space out of the available bandwidth. Like a file server, video streaming, online game etc. This service may cause other service to slow down. Try turning of unnecessary applications to increase Wi-Fi speed. Also check if other devices have not connected with your network as well.
  3. If WPA2 authentication is available then use it. The WPA2 authentication mode increases Wi-Fi security. Other authentication method may reduce your Wi-Fi speed. You can change authentication mode, which is available in router setting. You will need to contact your router manufacturer in case if it still doesn’t work.
  4. Check your router range and reduce the effect of interference. Also, check if your Mac is in the range.
  5. You can try to connect to other Wi-Fi network. If your Mac is connected to other Wi-Fi networks then this issue is related to your router or ISP. In that case, you need to contact your manufacturer or your internet service provider.

How to fix when your Wi-Fi is dropping:

Indication:

  • Your Mac may not be connected to your Wi-Fi network.
  • Your Mac may stop accessing the internet during use.

Resolution:

You can try these following steps when your Wi-Fi network is dropping automatically-

  1. Check your router range and reduce the effect of interference.
  2. If your computer is too far from the router, then your computer may not able to connect to your Wi-Fi continuously. The easiest way to check your range limit is to move your computer or Wi-Fi router closer and make sure that there is no interference between your router and computer.
  3. You can try to connect with other Wi-Fi network. If your Mac is able to connect to other Wi-Fi network then this issue related to your router or ISP. In that case, you need to contact your manufacturer or your internet service provider.