Major Issues with MacOS Sierra and Solutions to Fix them

By this time, many of you might have upgraded to macOS Sierra from older Mac OS X. Though, the new OS X offers a bunch of great novel features, it is not exempted from issues. So, here are the top 5 common issues, several macOS Sierra users are experiencing and probable solution to fix them.

  1. Your Mac Won’t Start After Installing macOS Sierra

After fruitfully installing macOS Sierra, some users stuck at their first boot. Several MacBook/iMac users got a blank white screen (with an Apple logo) after updating macOS Sierra, whereas some others got a black screen.

If your macOS Sierra stuck at white/black screen, then here is how to it.

  • Restart your Mac
  • Hold Command, Option, P and R keys
  • Reset the System Management Controller
  • Turn of the Mac
  • Remove all connections
  • Take a break and plug the cables back
  • Start the Mac
  • Boot it into Safe Mode

Note: Ensure that your Mac has a minimum 9 GB of free space. And, don’t forget to remove all third-party Kexts and extensions.

  1. Your Mac Apps Crashes/They Says “Damaged and Can’t Be Opened”

Don’t be panic if your apps crash or you see “Damaged and Can’t Be Opened” error after installing macOS Sierra. There are several techniques you can try to bypass this problem.

a)Try to hold command + optionkeys while launching the apps. Update the apps by checking developer’s website.

b) Empty your Mac’s cache:

  • Open Finder window
  • Select Go to Folderfrom the Go menu
  • Type ~/Library/Cachesand hit Enter key
  • Empty the folder

c) Edit your Mac’s security settings

  • Go to Security and Privacysystem preferences
  • Look into settings
  • check Allow applications downloaded from Anywhere option

Note: If any of your important data got deleted or missing due to an application crash or error application “damaged and cannot be opened” then, make use of Remo Mac file Recovery tool and restore files from Trash or that are missing after Upgrading to Sierra easily.

d) Reset PRAM

  • Restart your Mac
  • At startup, hold command, option, P, and R
  • Release keys after Mac restarts
  1. Your Mac Runs Noticeably Slow After Upgrading to macOS Sierra

If you feel your speedy Mac now crawling, then there are few things you can try.

a) Upgrade RAM or reduce its usage to make your Mac run faster. Check which apps are consuming the maximum memory, by launching Activity Monitorand looking at Memory Then, remove the widgets or apps that take a lion share of your system memory.
b) Repair your HDD permissions using Disk Utility.

  1. You Will Experience Slow Wi-Fi After macOS Sierra Upgrade

Slow Wi-Fi is an alike annoying problem as slow Mac. Here are a few resolutions to fix slow Wi-Fi problem on your new macOS.

a) Turn off your Wi-Fi router and look, if it demands any update. Also, try turning off the Bluetooth
b) De-select proxies:

  • Go to System Preferences
  • Select Networkoption and switch to Advanced tab
  • Open Proxies, and disable options under Select Protocol
  • Hit OKand then Apply

c) Delete your existing Wi-Fi preferences

Caution: Backup your Mac first as this method removes system configuration files.

  • Close all apps that are using Wi-Fi
  • Go to Wi-Fi menu and turn it off
  • Switch to Go folder and select Go to folder
  • Navigate to /Library/Preferences/SystemConfiguration/ location
  • Select following files
    4. NetworkInterfaces.plist
    5. preferences.plist
  • Move these to trash
  • Reboot your Mac and turn on the Wi-Fi
  1. MacOS Sierra Upgrade Results in Fast Battery Drain

Some users are experiencing bad battery life issue after upgrading to macOS Sierra. Even, if you have noticed that your Mac’s battery is draining very soon, upon OS X up-gradation, then here is the fix.

a. Disable Spotlight Indexing as it uses significant power.
b. Adjust your Mac’s Energy Saver settings.
c. Disable Bluetooth and check your Wi-Fi settings.
d. Decrease screen brightness level.

Major Issues with MacOS Sierra and Solutions to Fix them was last modified: February 12th, 2020 by John Harris

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