Announcement: Upgrade to macOS Mojave

With features like Dark Mode, Stacks, and four new built-in apps, macOS Mojave helps you get more out of every click. 
Find out how to upgrade to macOS Mojave > https://support.apple.com/macos/mojave

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Question:

Question: macbook 2016 with high sierra

two major issues:

1. bluetooth can't identify devices

2. wifi can't connect automatically on 2.4g, but 5g is working fine.


anyone could help?

MacBook, macOS High Sierra (10.13.3)

Posted on

Reply
Question marked as Apple recommended
Answer:
Answer:

To eliminate hardware You can try AHT/Diagnostic http://support.apple.com/kb/HT1509 Not definitive by any means, but may kick out an error code.


In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test :

Genius reservation http://www.apple.com/retail/geniusbar/

on-line https://getsupport.apple.com/GetproductgroupList.action

check warranty https://checkcoverage.apple.com/


Use Bluetooth devices with Mac - Apple Support

macOS Sierra: Choose preferred Wi-Fi networks

Posted on

Question marked as Apple recommended

Mar 10, 2018 11:55 AM in response to leorliao In response to leorliao

To eliminate hardware You can try AHT/Diagnostic http://support.apple.com/kb/HT1509 Not definitive by any means, but may kick out an error code.


In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test :

Genius reservation http://www.apple.com/retail/geniusbar/

on-line https://getsupport.apple.com/GetproductgroupList.action

check warranty https://checkcoverage.apple.com/


Use Bluetooth devices with Mac - Apple Support

macOS Sierra: Choose preferred Wi-Fi networks

Mar 10, 2018 11:55 AM

Reply Helpful
User profile for user: leorliao

Question: macbook 2016 with high sierra