Why Does Mac Turn Sluggish after Switching to macOS 10.13.2?

Apple recommends upgrading each time the new version of its operating system becomes available. By now, millions of Mac owners have updated to macOS High Sierra 10.13.2 to benefit from its new features and functions. Though, many of them got not quite what they expected.

The problem users may face is the fact that their Apple computers become rather slow a few days after the upgrade even though the update process was alright. The drop in speed is often noticed while surfing the Internet. Some users cannot understand whether it is the mater of connection speed or the machine itself. In the worst-case scenario, a Mac crashes or simply refuses to load some processes after working for just several hours.

Take a Quick Test

Boot up your Apple computer in Safe Mode to see if the problem shows up again. After that, log in to your regular Apple account to find out the way it behaves now. In case of ongoing crashes and slow behavior, you should go on with one of the effective techniques described below.

safe boot mode
Source: support.apple.com

Create a New User Account

Create a new user account on your Mac if the idea with Safe Mode fails.

  1. Select Apple menu and go to the System Preferences. Pick Users & Groups.
  2. Push the locker key and type an admin’s name and passcode.
  3. Push the plus button below the list of the users.
  4. Accomplish the fields displayed for a Standard or Admin account. After that, choose Create Account (or OK).

admin account

See if the problem is gone after setting a new account. If it helps, the problem was most probably associated with the files/settings in the ‘old’ user account.

In case you would like to access any files from the ‘old’ account, make them available to the new account by placing them in the Shared folder (located in the Users folder).

Next, sign out of the personal account and re-login with a new one.

  1. Select Apple menu and Log out.
  2. Look at the login window. Sign in using the new account’s name and passcode. Perhaps, you will be prompted to use iCloud and Apple ID. Just ignore that request.

Wait to see if the problem shows up in the new account.

Two More Methods That May Help to Solve the Issue

So, your Apple computer is a slowpoke after the upgrade. It makes sense to try to improve the situation by repairing some factors.

Start with rebooting an Apple computer. Wait to find out what happens next. In case this procedure does not help, force-quit the software that requires plenty of memory (RAM) and other system resources. Launch Activity Monitor from the Utilities folder. Detect which apps demand most of CPU or RAM. In the CPU tab, you will see everything in the real-time regime.

If you wish to shut down the process by any means, pick it in the Activity Monitor list. Push the X button, and verify the action.

The next advisable step would be erasing the cache files.

  1. Launch Finder. Pick Go from the top. Choose Go to Folder.
  2. A text box will show up. Enter /Library/Caches there.
  3. Delete the data from inside each folder. Do the same with ~/Library/Caches. Another idea is to launch the Repair Disk utility.
remove cache mac
Source: osxdaily.com

 

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