Why does my IMAC take so long to boot?

There can be plenty of reasons for a slow machine, but the top of them are – full storage space, too many startup programs, privacy issues. If any of these things are bothering you, timely action to optimize your Mac is needed. A large number of Login Items can delay the boot time significantly.

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How long should Mac take to boot?

In general, it takes about 30 seconds for a Mac machine to fully startup, depending on the hardware configuration though. For example, Macs with flash storage (solid-state drive) load much faster than those with HDDs (hard disk drive).

How do I speed up a slow boot Mac?

Press the power button to start your Mac and hold down the Option-Command-P-R combination. Hold the keys for about 20 seconds. Release the keys, and your Mac will restart.

Why is my Mac so slow and unresponsive?

Low disk space is another common cause of macOS slowdown. Without enough free space on your startup disk, macOS is unable to run maintenance scripts and background processes that keep your computer ticking along. Unfortunately, Apple doesn’t specify exactly how much free space is required to keep your Mac happy.

How can I speed up my imac?

Here are the top ways to speed up a Mac:

Clean up system files and documents. A clean Mac is a fast Mac.
Detect & Kill Demanding Processes.
Speed up startup time: Manage startup programs.
Remove unused apps.
Run a macOS system update.
Upgrade your RAM.
Swap your HDD for an SSD.
Reduce Visual Effects.

Why is my iMac so slow all of a sudden?

If you find your Mac is running slowly, there are a number of potential causes that you can check. Your computer’s startup disk may not have enough free disk space. To make disk space available, you can move files to another disk or an external storage device, then delete files you no longer need on the startup disk.

Why is my IMAC so slow all of a sudden?

Your Mac may be slow due to an outdated macOS or an overloaded cache. Malware can also infect your Mac and slow it down by hogging system resources. If your Mac is old, it might struggle to run modern software, and you may need to replace it.

Why is my Mac not booting up?

Press and hold the Command + R keys during the boot-up process. You should try to press these immediately after you hear the chime sound. Your Mac should boot to recovery mode. If it doesn’t, you probably didn’t press the keys soon enough—restart your Mac and try again.

How do I start my Mac in recovery mode?

How to start up Mac Recovery Mode

Restart your Mac.
Immediately hold down Command-R.
Release them as soon as you see the Apple logo.

Why is my iMac so slow to boot up?

Your hard drive is getting full. Nothing slows down a Mac more than having too much on your hard drive.

Your storage is not optimized. Apple developers have already anticipated the problem with slow-running Macs.

Outdated macOS.

Startup is slowing you down.

Too much running in the background.

You’ve got old hardware.

Your photo library is too heavy.

How do you reboot an iMac?

Press the power button (or press Control+Eject) and,when a dialog box appears,click the Restart button.

Choose the Apple key and then click Restart.

Press Control+Command+Eject (or Control+Command+Power button).

How to fix Mac that wont boot?

Hold Command+R and start your Mac into macOS Recovery mode.

Select Disk Utility from the macOS ‘ Utilities’ window and click Continue.

Click on View and choose Show All Devices to list all detected disks and volumes.

Select the drive or volume that you want to repair in the left sidebar,here it should be Macintosh HD.

How to reset iMac back to factory settings?

If you used Boot Camp to install Microsoft Windows,use Boot Camp to remove Windows and its partition before continuing.

From the Apple menu  in the corner of your screen,choose System Preferences.

From the System Preferences menu in the menu bar,choose Erase All Content and Settings.