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Question: Why won’t my MacBook Air connect to WiFi at my house?

I have been having this problem for over a week. My MacBook will connect to WiFi anywhere else except my house. I have AT&T U-Verse as my internet provider and never had a connection problem before. All my other devices connect just fine. (2 iPhones, 2 iPads, and a windows computer) I have the Mac completely updated to high Sierra and I installed the security update and still no luck. Is this a problem with my computer or a problem with my internet? Very strange this is the only device having this problem.

MacBook Air (13-inch, Early 2015), macOS High Sierra (10.13.2)

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Question marked as Apple recommended
Answer:
Answer:

Hi,

Try to boot in safe mode and see if it still WiFi does not available.

Use safe mode to isolate issues with your Mac - Apple Support

Also resetting SMC could solve the problem.

How to reset the System Management Controller (SMC) on your Mac - Apple Support

If they don't work check WiFi with Wireless Diagnostics or Apple Diagnostics.

Check for Wi-Fi issues using your Mac - Apple Support

How to use Apple Diagnostics on your Mac - Apple Support

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Question marked as Apple recommended

Dec 13, 2017 7:24 PM in response to HayMar13 In response to HayMar13

Hi,

Try to boot in safe mode and see if it still WiFi does not available.

Use safe mode to isolate issues with your Mac - Apple Support

Also resetting SMC could solve the problem.

How to reset the System Management Controller (SMC) on your Mac - Apple Support

If they don't work check WiFi with Wireless Diagnostics or Apple Diagnostics.

Check for Wi-Fi issues using your Mac - Apple Support

How to use Apple Diagnostics on your Mac - Apple Support

Dec 13, 2017 7:24 PM

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Question: Why won’t my MacBook Air connect to WiFi at my house?