Mac OS High Sierra Slow Boot Up/Startup? Here is the fix


I updated my Mac to High Sierra before two months. Everything was fine until last week. Since last week, my Mac takes 2 minutes to boot up. One of the Mac user said some solutions to fix his issue. If you have the same issue, this article will help you to fix it.
Solution 1: Enable/disable TRIM

  1. Go to Apple menu->About This Mac->System Report->SATA/SATA Express.
  2. Check the TRIM Support whether Yes or No.
  3. If TRIM status is Yes, disable it and check.
  4. If TRIM status is no, enable it and check.
  5. Open Terminal.
  6. If TRIM status is Yes, type sudo trimforce disable.
  7. If TRIM status is no, type sudo trimforce enable.

Solution 2: Reset NVRAM/PRAM

  1. Turn off your Mac via Apple menu->Shut Down.
  2. Press the Power Button to turn on your Mac.
  3. Then immediately press and hold the Option + Command + P + R keys simultaneously as quickly as possible after pressing the Power Button.
  4. Keep pressing until you hear the startup sound for the second time.

Solution 3: Reset SMC
Disconnect all cables connected with your Mac.
If your Mac has a non-removable battery,

  1. Turn off your Mac via Apple menu->Shut Down.
  2. Press and hold the Shift + Control + Option + Power Button simultaneously.
  3. Then release the keys at the same time.
  4. Turn on your Mac by pressing Power Button.

If your Mac has a removable battery,

  1. Turn off your Mac.
  2. Remove the battery out of your Mac.
  3. Press and hold the Power Button for 5 seconds.
  4. Insert the battery into your Mac.
  5. Turn on your Mac by pressing Power Button.

Solution 4: Restart your Mac in Safe Mode (Safe Boot)
Restart your Mac in Safe Mode will fix many issues on your Mac. But you can’t use some features in Safe Mode.

  1. Turn off your Mac via Apple menu->Shut Down.
  2. Turn on your Mac.
  3. Press and hold the Shift Key as quickly as possible after you hear the startup sound. You can see the Apple Logo on the Screen.
  4. Keep pressing the Shift Key until you see the Login Window.
  5. Enter your User Name & Password to login. You may need to login twice if FileVault is turned on.

SEE ALSO: Mac Won’t Boot/Start After High Sierra Update
Other Solutions:

  1. Create new APFS volumes.
  2. Format your internal drive and external HDD as APFS.
  3. Check disk errors via Disk Utility->First Aid->Run.
  4. Restore your Mac to Factory Settings.
  5. Create a new user account and use it.

If you know any other solutions to fix this issue, let us know through your comments.

9:13 am

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