How do I reinstall Mac Wi-Fi hardware?

Reinstall OS X by booting from the Recovery HD using the Command and R keys. When the Utility Menu appears select Reinstall OS X then click on the Continue button. Erase and Install OS X Restart the computer. Immediately after the chime hold down the Command and R keys until the Apple logo appears.

How do I check my Mac Wi-Fi hardware?

On your Mac, quit all open apps. Try to join the Wi-Fi network you’re having problems with (if you’re not already connected). Press and hold the Option key, click the Wi-Fi status icon in the menu bar, then choose Open Wireless Diagnostics. Follow the onscreen instructions to analyze your network connection.

Why is Wi-Fi not working on MacBook pro?

Make sure your Mac is within range of the wireless network. The Wi-Fi service may not be available in Network preferences. On your Mac, choose Apple menu > System Preferences, then click Network. After the network is available, try connecting again.

How do I fix my MacBook Pro when it says no Wi-Fi?

In this article we cover the following tips for fixing Mac WiFi issues:

1. Check for software issues.
2. Check Wi-Fi recommendations given by macOS.
3. Find out if your broadband provider has any issues.
4. Reboot your router.
5. Reboot your Mac.
6. Turn Bluetooth off.
7. ‘Forget’ your network then reconnect.

Why won’t My Mac Let me turn WiFi on?

Go to the Apple menu > Restart and then try to turn on your Wi-Fi. Also restart your Wi-Fi router / modem. Unplug the power cord, wait 30 seconds and then replug it again. You may want to reset PRAM (if you have an Intel based Mac.).

How do I get my WiFi back on my Mac?

If you don’t see Wi-Fi in Network preferences on 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 does my Mac say no Wi-Fi hardware installed?

If you see this error message, this means that your Mac is unable to detect your Wi-Fi adaptor because of two possible reasons: (a) Wi-Fi adaptor is not installed or (b) Wi-Fi adaptor is failed.

How do I recover a deleted Wi-Fi network?

You cannot restore a “forgotten” (aka deleted) wireless network definition. Instead you need to add it back the same way you did the first time you saved it.

Why is my MacBook saying no hardware installed?

If you brought your Mac back from sleep only to see that your Wi-Fi isn’t working at all, even after a reboot, you might be experiencing the Wi-Fi: No hardware installed error. And luckily it’s really easy to fix.

Why is there no WiFi on my iMac?

WiFi is must if you are working on iMac or MacBook; at times, your Mac doesn’t respond to Wi-Fi signals or maybe there is an internal glitch and WiFi fails to work. In this situation, you can see a message appears on the screen: “Wi-Fi: No Hardware Installed”.

How can I fix my MacBook not having WiFi?

Step #1. Connect your MacBook to a power source. Step #2. Press and hold Control+Shift+Option+Power simultaneously. Step #3. Now release all the keys. Step #4. Finally, press the Power button to turn your MacBook ON. Step #1. Disconnect your MacBook from power source. Step #2. Take the battery out.

Why is my MacBook Pro not connecting to the Internet?

When your computer goes in and out of sleep mode, the SMC will control what devices are powered down to save battery. And this is where the problem lies. The SMC gets the wrong signal and thinks the Wi-Fi adapter should stay powered off even when the computer comes back to life.