Mac mini boot up problem

Troubleshooting Tips for Mac Startup Problems

To start the conversation again, simply ask a new question. My Mac Mini cannot boot up for some reason. It gets stuck on the boot progress screen for hours, and just yesterday it stayed like that while I was at work for 8 hours. I have shut down and booted up in recovery mode and have reinstalled OS High Sierra. The entire process wen through and loaded, and when it was all finished installing and booting up, I get the frozen progress bar again.

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I have attached a screenshot. I called Apple support and they instructed me to reinstall the software as I did. The informed me that it does not seem to be a hardware problem but a software one. Mac mini, Mac OS X Posted on Jan 23, 6: Page content loaded. Jan 23, 7: Jan 23, 8: Jan 24, 1: When you turn on your computer and get a grey or blue screen or it gets stuck at the Apple logo that never loads OS X, it's a pretty good cause for concern. This can happen for a number of reasons, so it's one of the most frustrating things that can happen to a Mac, and troubleshooting it is no easy task.

So, let's break it down into a few steps you can take to figure out what's going on. One of the main causes of a grey or blue screen on startup is incompatible hardware connected to the machine. This might be a printer, an external hard drive, or even a USB hub.

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So, disconnect everything except the mouse and keyboard, and restart your computer. If your Mac starts this way, then it's an issue with one of those peripherals. You have to trial-and-error your way through to figure out which one, so connect them back into your computer one by one, and restart.

If one of them causes your computer to hang on the grey screen again, you've found your issue. If you figure out the problematic peripheral, it's time to do a little research. Head to the manufacturer's web site and see if others are reporting the same problem.

Check the Hardware

You might be able to fix it with a software update or a firmware update to the device. If no devices are causing problems, and your Mac still won't boot, then it's time to dig a little deeper. Safe boot makes your Mac boot up with the minimum amount of drivers needed to make it work, and it checks your hard disk in the process it might take a bit longer to boot up.

Do do this, start up your computer while holding down the Shift key until the Apple logo passes. If your Mac starts up with the safe boot, go ahead and restart the computer again and see if it boots up normally as odd as it sounds this fixes the problem a surprising amount of the time.

If not, it's time to give the hard drive a closer look. If you still can't boot up OS X normally, it's time to run Disk Utility and check out your hard drive:. In a lot of cases, running Disk Utility will catch problems with startup issues. Sometimes a single file with the wrong permissions can cause the whole system to collapse, or if something's not in the right place it won't boot. If this doesn't work, you have a lot more problems to look into.

If the above solutions don't work, it's time to dig a lot deeper into your system. Your problem could range from a bad hard drive to a faulty logic board. Here are a few more steps that should help you single out the problem:. Ah yes, the spinning beach ball that refuses to go away.

Sometimes it's a small, application-specific problem that's easy to solve, but other times it's part of a much bigger mess. If your Mac is tossing up the spinning beach ball consistently, it's time to figure out the exact cause.

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Your Mac will usually get a spinning beach ball when it's somehow overloaded. More often than not, this just lasts a few seconds and goes away, in which case you can ignore it. If it doesn't, the best way to figure out what's going on is to launch Activity Monitor and pinpoint which program is causing the problem. If it's a powerful piece of software like Photoshop that's causing problems, then it's a good chance you need more RAM in your computer.

Mac mini problems

RAM can help with multi-tasking issues , and if the beach ball comes up when you're running a few programs at once additional RAM will help this is very easy to install yourself. If not, and it's something lightweight like a file syncing service like Dropbox or an instant messenger client like Adium , then it's probably a problem with the software itself. Try quitting the app and seeing if the problem persists.

If the beach ball doesn't return, then you have your problem. Start up in safe mode To start up in safe mode: Start or restart your Mac, then immediately press and hold the Shift key. Release the Shift key when you see the login window. To leave safe mode, restart your Mac without pressing any keys during startup.

Step 2: Safe Boot

If an issue doesn't happen in safe mode If an issue doesn't happen when your Mac is started in safe mode, try restarting without pressing any keys. If the issue doesn't come back, it was probably caused by a cache or directory issue with your startup disk, which safe mode fixed. If your Mac restarts or shuts down in safe mode Your Mac automatically checks the directory of your startup disk when you start up in safe mode. Some features aren't available in safe mode Some features of your Mac aren't available when it's started in safe mode: You can't play movies in DVD Player.

You can't capture video in iMovie and some other video apps. Some audio input or output devices might not work. Wi-Fi networking might be limited or unavailable, depending on the Mac and macOS version you're using.