#MAC OS X EL CAPITAN VS MACOS SIERRA MAC#

Receiving animated GIFs in particular can cause a temporary slowdown on the Mac and in the Messages app in particular, if those message windows are open and actively on display and animating as intended. 2: Mind Your Messagesĭo you use the Mac Messages app? If so, pay attention if you are receiving tons of animated GIFs and stickers, which can arrive in abundance from an iOS 10 iPhone user who is having fun with the new Messages stickers, gifs, effects, and other chaos that can be sent from iOS 10 Messages app. Let the Mac sit turned on overnight while it’s not in use, and all indexing processes should be complete by morning with performance returned to normal. (this can also be the case with iOS 10 sluggishness, by the way). These tasks can consume a notable amount of CPU cycles as they complete, leading to blazing fans, slow performance, and Mac that feels like it’s running hot, but once the background tasks are finished the Mac will be speedy again. I know, waiting isn’t always satisfying, but it’s easy and it works! For the vast majority of users, the reason their Mac feels slow after updating to macOS Sierra is because of the reindexing features that are going on in the background. This is another process that you need to let complete in order for Photos to work properly. This can take quite a while as well, particularly if you have a very large Photos app library. It is important to just let this process complete itself, interrupting Spotlight indexing will cause Spotlight to not work properly, and it will just attempt to re-index again anyway.Īnother possible cause of a perceived slowdown after updating to macOS Sierra is the new Photos app, which indexes and scans all photos for identifiable features and faces. This can take quite a while to complete, particularly if you have a large hard drive with a ton of files. Immediately after updating to macOS Sierra, the Mac must re-index the drive for use with Spotlight and Siri, the built-in search functions in Mac OS. 1: Slow Mac After Sierra Update? Fans Blazing? WAIT!

Why? How? And more importantly, what can you do it about it to speed up your computer again? Let’s review five main reasons and what to do so speed things up in Sierra again, and also discuss some other reasons a Mac might be slow. OK so let’s assume your Mac with macOS Sierra is running slow. Read on to learn why macOS Sierra may be running slow (some MacBook users notice their Mac is hot and fans are blasting away too), and what you can do about it.

Mac os x el capitan vs macos sierra