We’re to help you if you’re trying to figure out how to fix a Mac that won’t start. While your Apple products, whether they be a Mac, iPad, or iPhone, seem to be very reliable, there will be times where something goes wrong. And, you might be at a loss on what to do when that happens, like getting a Mac Folder with question mark on your screen when attempting to boot up a MacBook Pro. Take heart, though, that you’re most likely far from the first person to experience whatever issue is ailing you and that there’s a fix out there for your problem.
If you’re using your Apple machine for creative work or productivity, it’s even more important that it’s ready to function when you need it to. That’s why it’s very helpful (and will save you some cash too) to be able to fix a Mac that won’t start, whether it’s a dreaded blue screen or that Mac Folder with question mark mocking you.
Instead of dropping a chunk of change on a professional, try these common fixes we’ve gathered if you can’t get that machine to start up or are getting that Mac Folder with question mark. There are plenty of authorized service centers, including all those Apple Stores out in the wild, that can help in the most extreme cases. But, it’s often a simple solution to fix a Mac that won’t start. Read on to find what they are.
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Mac folder with question mark: what does it mean?
If your Mac starts up to a Mac folder with question mark, it could mean one of two things: (1) your startup disk is no longer working because either you previously started your Mac from a different disk or your hard drive has failed, or (2) there’s no working operating system installed.
It’s a scary thing, turning on your Mac only to find a solitary folder with a question mark on a solid black background. But, worry not. As long as it’s not a hard drive that’s stopped working completely, there might be a way to get your Mac back to the way it was.
Step 1: Press and hold the power button for 10 seconds to turn your Mac off.
Step 2: Turn on your Mac, and hold Command (⌘) + R. This takes you to macOS Recovery.
Step 3: Select Disk Utility, press continue and find your startup disk in the sidebar.
Step 4: Click “First Aid” and hit Run. This should prompt your Mac to find errors and repair them.
If Disk Utility did not find or could not repair all the errors, you might have to reformat the disk, reinstall the macOS or restore a backup using the Time Machine.
However, if you can’t perform this repair because Disk Utility just isn’t seeing your startup disk, you might have to take it to a Mac expert to get serviced.
The Mac doesn't start, but hangs at a blue or grey screen
Persistent blue or grey screens when you boot up your Mac tend to be caused by a peripheral. Power off the Mac. Disconnect everything except the power and the keyboard and mouse (if external), and now restart.
If the Mac starts up normally, it's a problem with a peripheral. To find out which one is at fault, reattach them one by one and start up each time, until the problem reoccurs.
Once you've found the culprit, Google the problem and the name of the peripheral to find out what others have done to fix it. If the Mac won't boot with all peripherals disconnected, try booting in Safe Mode by holding down the Shift key when you restart.
Occasionally, doing that then restarting fixes the problem. If not, boot into the Recovery partition and follow the steps in the problem above.
Understanding startup tones
When you turn on your Mac you should hear a tone. The type of tone can change depending on any problems your Mac might be experiencing, so they are a good way of figuring out what's preventing your Mac to properly start.
One tone repeating every five seconds
This means there's no RAM installed in the Mac, so install some!
Three successive tones and a five second pause, repeating on a loop
This means the RAM has failed an integrity check; replace it.
One long tone while holding the power button
An EFI ROM update is in progress on pre-2012 Macs.
Three long tones, three short tones, and then three more long tones
Mac is in EFI ROM recovery mode.
What to do if your Mac won't start up at all
First of all, check that the Mac is connected to a power supply, and that the power cable is secure. Then you should check that the power socket is switched on and working. (Test it with a lamp!)
Next, eliminate the possibility that it's a display problem. Is there a startup chime? Can you hear the fan? Is the sleep LED lit? Does the caps lock key light up when you press it? If the answer to any of those questions is yes, it may be a problem with the display.
If it's an external monitor, check its connection. If that's okay, try connecting a different display. If the answer to all of those questions is no, try resetting the system management controller (SMC). Shut down, press (left side) Shift+Options+Ctrl, and press the power button to start up. Still no joy? Get thee to a Genius Bar.
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