Software issues could also cause disruptions to the boot process. Your Mac needs the hard drive, logic board, RAM, and video card to work properly in order to boot successfully to macOS. There are a few things that your Mac needs to go through to boot successfully, and that involves both its software settings and essential hardware. This is also known to be a hard drive issue.Įrrors that appear during startup usually indicates that there’s a problem with the procedure and hardware involved with the Mac startup process. When this does happen, it may seem like the loading bar is taking forever to complete, or not at all. Infinite loading bar: Usually your Mac shouldn’t take too long to boot to macOS, or need to put you through a loading bar.A folder with a question mark on it means that your startup disk is not working or that your device can’t find a working operating system on it.

Question mark folder icon: This is likely a hard drive issue.Shuts down at boot: In this scenario, your Mac does turn on, but shuts down by itself during boot.You can only solve this by restarting the Mac. Blank screen at boot: Your Mac turns on and lights up, but gets stuck on a blank screen forever.These boot up errors can look like a few of these scenarios: Now this can look like different errors too, and come from different kinds of software or hardware failure. This is because your Mac still turns on, it’s just that it’s not booting to macOS. While it may seem alarming to find that your Mac isn’t booting up, there’s not much to worry about as you still have a lot of options to fix it.

Mac startup commands not working