What to Do When Mac Keeps Hanging after Updating to El Capitan

A faster Mac is better than a slow one. But what are you going to do when your Mac keep hanging? That’s exactly what a reader was suffering.

“Hi, I just couldn’t resist the temptation and updated my MacBook Pro to latest OS X El Capitan. Well, it’s supposed to run faster and perform better (that’s what Apple said in the release). But not for my Mac. Now it keeps hanging around every now and then. When that happens, I couldn’t do anything but wait because it seems the whole system froze up. What should I do?”

Here’s my answer:

You are not the only one who suffered after updating to latest OS X El Capitan. Take a look at here and here. Many of the Mac fans were furious after the system upgrade. I’m sure Apple was not prepared to see these feedback.

I’m on El Capitan already. I remember the first few days after upgraded to the new system, my Mac was slow as well. But the performance went back normal. I guess it has something to do with Spotlight indexing, which could take 24 to 48 hours, according to this StackExchange Apple community discussion.

So, I’d suggest you wait a day or two and leave your mac open (do not shut it down), then get your hand on it. See if the frozen issue still exists.

If it still persists, now try to isolate the real culprits and fix them.

First, check how many programs are running on startup. You can find it out from Login Items. The more you have there, the more likely your Macbook is going to freeze up due to limited RAM.

Next, check the CPU and RAM usage from Activity Monitor. If the number is too high, no surprise that your Mac is performing sluggishly. Try to close as many applications as possible, especially those that tend to “eat” up more system resources (aka, heavy software).

Also, make sure you have enough free storage space — at least 15% available is ideal. The more, the better. Learn how to clean it from these Macbook speed up tricks. Take a look at the first tip.

Last but not least, not sure if you have the habit of updating software. In particular, after a major OS X upgrade, third-party software are supposed to release a new version to better work with El Capitan. Unfortunately, some may take a while.

That’s all. Hope you find it helpful. By the way, as I was reading some resources, I also found this Apple tip very comprehensive. It may also give you some hints.

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