How to fix wifi hardware on macbook air?

1. Turn off your computer.
2. Then restart your Mac, immediately press and hold down the Command + Option + P + R keys together until you hear the reboot sound (about 20 seconds).
3. Your Mac will reboot. Now check if the Wi-Fi icon still shows the X icon and Wi-Fi: No hardware installed message.

Similarly, how do I reset my Mac WiFi hardware? Hold down Command ⌘ + Option + P + R together. Keep holding these four keys down while you turn on the Mac again. Release them all together only after you hear the Mac reboot sound again.

You asked, why does my WiFi on my Mac say no hardware installed? It typically appears after rebooting your Mac or installing a software update. It indicates that your computer cannot connect with your WiFi adaptor because said adaptor has failed or isn’t installed.

Likewise, how do I fix my WiFi on my macbook air?

1. Verify that the Wi-Fi connection is the one you want. Turn your Wi-Fi off and on, and make sure you’re attempting to connect to the right network.
2. Check Wireless Diagnostics.
3. Check your System Updates.
4. Check your physical hardware.
5. Change your DNS settings.
6. Reset NVRAM/PRAM and the SMC.
7. Restart your Mac.

Additionally, how do I check my Mac WiFi hardware? Turn on your Mac, then immediately press and hold the D key on your keyboard as your Mac starts up. Release when you see a progress bar or you’re asked to choose a language.

How do I restore my Mac Air to factory settings?

1. Hold down the Command and R keys on the keyboard and turn on the Mac.
2. Select your language and continue.
3. Choose Disk Utility and click Continue.
4. Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.

How do I fix Wi-Fi not configured on Mac?

1. Re-add the Wi-Fi connector.
2. A. On your Mac, click the Apple menu > System Preferences > Network.
3. B. On the left, you will see a list of network services.
4. C. A popup menu will appear.
5. D. Now, select the new Wi-Fi service in the list, and then click the Turn Wi-Fi On button.
6. E.
7. Renew DHCP Lease.
8. A.

How do I put Wi-Fi back on my Mac?

1. On your Mac, choose Apple menu > System Preferences, then click Network.
2. Click the Add button at the bottom of the list.
3. Click the Interface pop-up menu, then choose Wi-Fi.
4. Enter a name for the service, then click Create.

Why is my Wi-Fi not working on my Macbook Pro?

There are three main reasons why Wi-Fi stops working: there’s a problem with your router, your broadband provider’s network is down, or there’s an issue with your own Wi-Fi network. Less commonly, there may be an issue with the macOS software you’re running. … Reboot your router. Reboot your Mac.

How do you connect to WiFi on a Macbook Air?

1. On your Mac, click the Wi-Fi icon in the menu bar, then choose the network you want to join. If you don’t see the network you want to join, click Other Networks to display nearby networks.
2. If requested, enter the password for the network, then click Join.

Why does my WiFi say it’s connected but not working?

If your computer is the only device that says it has a connection but no actual internet, it is likely that you have a misconfigured setting, faulty drivers or WiFi adapter, DNS issues, or a problem with your IP address.

Do Macbooks have built in Wi-Fi?

All Apple MacBook models, including the MacBook Pro and MacBook Air, have internal wireless adapters called AirPort adapters. Use your MacBook’s AirPort adapter to connect your computer to a Wi-Fi router or access point; access the Internet from any location where the signal strength is sufficient.

How do I fix the hardware on my MacBook Pro Wi-Fi?

1. Turn off your computer.
2. Then restart your Mac, immediately press and hold down the Command + Option + P + R keys together until you hear the reboot sound (about 20 seconds).
3. Your Mac will reboot. Now check if the Wi-Fi icon still shows the X icon and Wi-Fi: No hardware installed message.

What wireless card does MacBook have?

Find Wireless Card on Macs To do this, hold down the option key, click the Apple logo in the menu bar and click “System Information.” If you have a wireless card, you should see “Wi-Fi” listed under network. Click it to see information about your wireless card.

How do I run diagnostics on my MacBook air?

Select Apple Menu > Restart. Press and hold the D key until you see a list of different languages on the screen. Select a language. Apple Diagnostics starts automatically.

How do you diagnose hardware problems on a Mac?

1. Shut down your Mac.
2. Disconnect all external devices except your keyboard, mouse, display, wired network connection (if you have one), and power cable.
3. Turn on your Mac and immediately press and hold the D key.
4. Release the D key when the Hardware Test or Diagnostics tool appears onscreen.