How to Solve Wi-Fi Problems on MacBook Pro in macOS Sierra

Two days ago, I got a new MacBook Pro 2016 running in new macOS Sierra operating system. It works well and perfect, but I found a confusing issue after my mac waking up from sleep mode, it cannot connect to Wi-Fi network. Strange it was showing full signal on the Wi-Fi icon on the top right bar of the screen. But keep “Looking for Networks…”.

After googling this MacBook Wifi problem online, find it happened also on the old Mac OS. So confused, why not Apple take it serious and fix this Wi-Fi problem on its new MacBook Pro 2016?

Methods to Fix Wi-Fi Issues for Sierra on MacBooks Pro 2016

1. Re-connect Wi-Fi in Sierra

Someones tried and found this Wi-Fi issue can be easily fixed by turning Wi-Fi off and then turning it on. But it didn’t work on my issue.

2. Restart MacBook

I followed some tutorial to restart my Mac to fix my Wifi issue. But it worked temporarily, and  went into the same issue after Sleep Mode which make me crazy!

3. Delete Wi-Fi preferences files

Before deleting, I backed up my device, because I don’t know what is going to happen on my MacBook. I’v experience data loss on my device before. After, I continued to follow the guide to remove preferences of Wifi network.

After turning off Wi-Fi, I went to folder named SystemConfiguration by using Finder. The path is “/Library/Preferences/SystemConfiguration/”.

Wi-Fi issues on MacBook
Wi-Fi issues on MacBook

You can get the same window by using shortcut “Command+Shift+Go” or Finder > Go > Go to Folder…

On the folder, I deleted the preference files I list as below.

Delete Wifi Preference Files
Delete wifi preference files

After, I followed to restart my MacBook and turn on Wi-Fi. And finally, my Wi-Fi issue on My MacBook Pro 2016 was solved. Thank God!

macOS Sierra Update Problem: Storage Still Calculating

When checking your Mac storage usage, you may found that you dropped into a MacOS Sierra update issue: the Storage keep calculating there and has no response. ShimonLeb recently reported this issue and asked for help about this Mac problem.

Sierra Storage Stuck on Calculating
macOS Sierra Storage Stuck on Calculating

This issue came after updating Mac computer to new macOS Sierra beta, and many users replied saying that they also meet the similar problems, and sometimes it couldn’t be solved even they updated to Version 10.12.1 and 10.12.2.

Potential Solutions to Fix “Calculating” Issue on macOS Sierra

  1. Wait and Wait. Some users said it could be fixed automatically after some hours or days. It may be the compatibility of the new Mac Operating System, and it need more time for it to calculate and analyze data on your Mac hardware.
  2. Remove some large files you don’t use. A few users said the storage stopped calculating after deleting Garage Band app: /Applications/GarageBand.app, /Library/Application Support/GarageBand.  
  3. Do a Spotlight reindex.
  4. Disable iCloud Drive.
  5. Delete an iTunes Extras file under the movies tab in iTunes
  6. Update to upcoming Version 10.12.3.
  7. Restore Mac and set it as a new Mac. (Not a good way because it will erase your device and lose everything)

Resource: https://discussions.apple.com/thread/7677099