Is Your Mac Running Slow After macOS Sierra Upgrade? Or CPU Overheating With The Fans Running At a Blazing Fast Speed? Don't Worry, We Will Help You!

Almost everyone of us have upgraded their Mac to macOS Sierra by now and some of us have felt that the computer is running slower than it should be. If you have also noticed a degradation in performance after upgrading to macOS Sierra or fan running with a blasting speed , there is likely a good reason for it or you need to perform some simple check to troubleshoot the slow performance hit after upgrading to macOS Sierra.

Read this article to learn why macOS Sierra may be running slow or overheating with CPU fans running at blazing fast speed ever since you upgraded to macOS Sierra.You must know what to do about it as your Mac may not be running smoothly or it may be literally crawling on you. Go through the each steps mentioned below in the same order as it is written to make your Mac run faster again.

#1. Check if your Mac is working on Spotlight Indexing after upgrade
# 2. Check if your Mac is taking Time Machine backup
# 3. Verify macOS Sierra 's Compatibility With Your Mac
# 4. Boot your Mac in Safe mode

# 5. Uninstall Any Antivirus or Such Security Software
Mac has been known for its inbuilt security against Viruses and Malwares and being a Unix based operating system it is Sandboxed (Computer Security). Apart from that, it has got its own security called Gatekeeper to block any software that hasn't been digitally signed and approved by Apple to run on your Mac without your agreement from being installed. So third party Antivirus Software are not required on Mac and they tend to cause More issues than they claim to fix.

But remember it does not mean that the Macs are not hackable, they can still be exploited by newer types of threats like adware or malware. These threats can not harm your file but can annoy you to buy something or stop you from doing something by showing a lot of pop ups and weird search engines causing your Mac run slower.These malware and adware can be removed easily by running Malwarebyte for Mac once in a while or every time you notice their suspicious activity. So you are not required to install any Antivirus on your Mac as their so called real time protection or shield will keep hogging your CPU and computer resources all the time causing frequent slowness and other problems. Uninstall all of these Antivirus thing using their uninstaller or removal tools. Download the removal tools for some the majorly used Antivirus from below link and run it.

Sophos Antivirus Uninstaller - https://community.sophos.com/kb/hu-hu/121206
Avast Uninstaller for Mac- https://www.avast.com/download-thank-you.php?product=MAC-FREE-AVAST
Norton Uninstaller for Mac - ftp://ftp.symantec.com/misc/tools/mactools/RemoveSymantecMacFiles.zip
Mcafee Uninstaller for Mac- Removed by uninstaller program that comes with the Antivirus.
ESET Antivirus Uninstaller For Mac - http://support.eset.com/kb3239/?locale=en_EN
ClamXav Uninstaller For Mac - http://www.clamxav.com/clamavEngineREMOVER.zip
Bitdefender Uninstaller Tool for Mac - http://www.bitdefender.com/files/KnowledgeBase/file/Uninstaller.zip
Trend Micro Uninstaller For Mac - https://esupport.trendmicro.com/en-us/home/pages/technical-support/1061005.aspx

# 6. Scan Your Computer With Malwarebyte For Mac
# 7. Remove Unwanted or Unnecessary Applications from Your Mac
# 8. Check and Remove Unnecessary Items from Launch Agents and Launch Daemons

For details and rest of the information,Read the post on how to fix Slow Mac after macOS Sierra upgrade : - http://www.hawkdive.com/2017/01/mac-runs-slow-after-macos-sierra-upgrade.html