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Here are all the steps you need to get your Mac started again. Just work through them in order, unless your Mac won’t boot after a failed operating system update. In that case, skip straight to step 8. Check If the Mac Has Power First, check that your Mac has a power source. Yes, it’s silly and obvious, but anyone who’s done tech support knows that you have to get the obvious fixes out of the way first. So if your MacBook won’t boot on battery power, plug it in.
The battery may be fully depleted, or could be malfunctioning. If your You're almost certainly going to have to troubleshoot your MacBook power supply at some point. Here's how to do it. Or turn on with the power adapter connected, make sure it’s connected properly and not damaged in any way. Try a different power cable, if you’ve got one around. Also, check that the port is clean. A buildup of dust can disrupt older MagSafe chargers.
And while you’re at it, check your external hardware as well. Disconnect any peripherals like printers or graphics tablets, as these can sometimes be the cause. If you’ve got a Mac Mini, make sure the monitor is connected and powered properly. Run a Power Cycle The next step is to run a power cycle. This completely cuts all traces of power from the Mac and enables you to restart it from scratch.
On a recent MacBook, disconnect the power cable and hold the power button down for 10 seconds. For an older MacBook, disconnect the power cable and remove the battery for at least 10 seconds. If you’re using a desktop Mac, disconnect the power cord for at least 10 seconds.
Now reconnect the power and try to restart your computer. This move may be enough to spring it to life.
Holding the Power button down like this is the equivalent to pressing a “reset” button or pulling the plug. It works on phones, ebook readers, and pretty much every other gadget that doesn’t allow you to remove the battery, so is a good tip to remember. Boot in Safe Mode.
When your MacBook won’t boot, try to remember what you were doing the last time it was working. Were you installing apps, fiddling with fonts, or tweaking the system? If your Mac shows signs of life when you power it on—it won’t go past the Apple logo or login screen—then If your Mac won't boot, you can use several methods to try repairing it. Here's how to fix your macOS disk with Safe Mode, fsck, and more. May help you fix it. Press the Power button on your Mac and immediately press and hold the Shift key.
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Keep it held until you reach the login screen, then continue as normal. Safe mode runs a bunch diagnostic tests, then boots a stripped-down version of macOS. This doesn’t load your startup apps, custom fonts, extra hardware features, or anything else beyond the basics. If your Mac boots successfully into Safe Mode, you can start uninstalling any new apps, disabling startup items, removing hardware, or undoing any other recent changes that may cause the problem.
Reset SMC The System Management Controller (SMC) controls a host of basic Mac functions. It handles everything from the keyboard backlight, to battery management, to what happens when you press the Power button. Is a good catch-all solution to many problems, including if your MacBook won’t start or it won’t wake up when you open the lid. There are a few ways to do it, depending on what model of Mac you’ve got: Desktop Macs. Unplug the power cord and wait 15 seconds. Plug the cord back in and wait another five seconds. Restart your Mac.
2018 MacBook Pro + MacBooks With T2 Security Chip. Press and hold the right Shift key, the left Option key (Alt), and the left Control key for seven seconds. While keeping these keys pressed, hold down the Power button for another seven seconds.
Release all the keys, wait a few seconds, then restart. MacBooks Without Removable Batteries.
Press and hold the left Shift, Option (Alt), and Control keys, plus the Power button (or Touch ID button) for 10 seconds. Release all the keys then restart your computer. Older MacBooks With a Removable Battery. Remove the battery.
Press and hold the Power button for five seconds. Reconnect the battery, and restart the MacBook.
Reset NVRAM or PRAM. NVRAM (non-volatile random access memory) is a special section of memory that stores certain settings a Mac needs to access quickly. Although problems with this are less likely to render your computer unbootable, resetting it as a precaution will do no harm.
Older Macs used PRAM (perimeter RAM) instead. The process for resetting either is the same:. Press the Power button then immediately press and hold the Option (Alt), Command, P, and R keys.
Keep the keys pressed for around 20 seconds, even if your Mac appears to restart. If your Mac plays a startup sound, release the keys after you hear it chime for the second time. If your Mac has the T2 Chip, release the keys after the Apple logo disappears for the second time. When your Mac has restarted, you’ll find that some basic settings like time zone or volume level might need adjusting. Run Apple Diagnostics Hopefully by now, your Mac is up and running again. If not you can check for hardware issues. This will check for problems, then either suggest fixes or show your support options.
Disconnect any unnecessary external devices, such as a printer. You can leave your keyboard, mouse, and monitor plugged in if needed. Press the Power button. Press and hold the D key.
Keep it pressed until you see a screen asking you to select your language. Pick a language, then Apple Diagnostics will begin running its tests. These take a few minutes to complete. When done, you’ll see the results of the test. Some will suggest quick fixes, and give you the chance to re-run the test.
Others will generate reference codes which you can look up on the. It’ll also show your. If there are no issues, then the fault likely is not with your hardware. On Macs released before June 2013, you’ll get the Apple Hardware Test instead. You activate it in the same way, and the principle is the same.
Select your language, then click Test to begin. Use Recovery Mode Tools All Macs have a on the hard drive. This boots independently of the full macOS and gives you access to a suite of tools for repairing your computer. To boot into Recovery:. Press the Power button.
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Press and hold the Command and R keys. Release the keys when you see the Apple logo.
When it finishes booting, you’ll see a new macOS Utilities menu. The one to try first is Disk Utility. This is a version of the same tool that’s available in macOS and enables you to scan and repair your hard drive or SSD. Select the drive and click First Aid to begin the repair process.
There are a few more tools available through the Utilities menu. These include the Terminal for more advanced users. Reinstall macOS in Recovery Mode If you’ve gotten this far, then it’s likely that your problem is not hardware-related, nor is it a simple software fix. The best solution now is to, or Need to restore your Mac to factory settings? Here's how to install a fresh copy of macOS and erase everything.
You can do this through Recovery. Get started by pressing the Power button and holding down the Command and R keys.
If you’ve got a recent Time Machine backup, you can restore that to see if it solves your problem. If not, choose Reinstall macOS from the menu.
When you choose to reinstall macOS you’re given the option to format your disk as part of the process. Don’t select this if you simply want to repair your installation—there’s no problem with reinstalling macOS on top of itself. Follow the onscreen guide to complete the installation. You’ll need to be connected to the internet, as the tool will download the operating system from scratch. Check for Other Warning Signs on Mac All Macs, whether a high-end MacBook Pro or an older iMac, have great reputations for reliability. But they can still run into problems.
Although it’s often relatively easy to fix a Mac that’s not turning on, it’s best to check for warning signs and patch up problems before they strike. Follow the advice in our guide to Every Mac user should keep these 8 tools around to fix any problems that may arise, like malware, hardware issues, and more.—covering everything from memory to malware—and you’ll keep your Mac running smoothly and problem free. Explore more about:,. Firefox 31 esr download for mac.
Your Mac seems to have gone into a shell and has been running at a snail’s pace for the past few days. Due to lack of time, you have tolerated the lagging so far. But today, your patience has finally given up, and you no longer want your work to be hampered by the sluggish performance of your computer. One of the most trusted ways you can regain the enviable performance is to factory reset your Mac. But there is one thing you should keep in mind before resetting your Mac to factory settings. Must back up your macOS device to ensure your entire data is safe as the factory setting will eliminate everything. Sponsored Links How to Reset Your Mac to Factory Settings Be sure you have backed up your Mac.
If you haven’t done it as yet, click on Apple menu → System Preferences → Time Machine icon → Select Backup Disk choose which disk you want to use as a Time Machine backup → Tick the Back Up Automatically box to automatically back up your Mac to the selected disks. Once you have successfully backed up your computer, move ahead with the steps given below. First up, restart your Mac. While your computer is turning on, press and hold Command and R keys at once. Make sure to keep holding down the keys until macOS utilities window appears on the screen. Sponsored Links Step #5. Once you are done, click on Quit Disk Utility from the Disk Utility drop-down menu at the top left corner of the screen.
Once you have factory reset your Mac, you can choose to reinstall macOS right from the Utilities window. How to Install Fresh macOS on Mac Step #1. Assuming you are already in the Utilities Window if you aren’t there restart your Mac.
Press Command and R at once until macOS Utilities window show up. Now, you need to click on Reinstall macOS and select Continue.