In this scenario, you should try cleaning up your Mac’s startup app list. If this is the case, hold the power button to hard-reset the system, followed by holding the Command-Option-P-R keys at startup (immediately after the boot chimes) to have the system clear the. As mentioned above, if a problem you’ve been having doesn’t occur when you boot in Safe mode, then it’s most probably related to a problematic kernel extension (perhaps related to faulty hardware) or an app issue. Use the Disk Utility app on your Mac to repair your startup disk. Check your login items to learn if any of them are incompatible. There’s not much you can do apart from this in Safe mode. If your Mac successfully starts up in safe mode, choose Apple menu > Restart to restart your Mac normally. If youre using Boot Camp to run Windows on your MacBook. For this we only have to restart our Mac. Safe mode also forces a directory check of the startup volume, which means that any issues with the hard disk that are interfering with the boot process can be identified. Hold C if you want to start from a CD-ROM or DVD-ROM or hold Shift to restart in Safe Mode. Once the problem has been solved or the problem is detected by safe boot, we can restart the machine with normal boot. This clears up the caches and can speed up your Mac if it’s slowing your system down. As only essential kernel extensions are loaded (hardware and software drivers), a third-party app may be causing your troubles.Īdditionally, system caches are automatically cleaned. How to boot into Safe Mode Shut down your device Press the POWER button on your Apple computer As soon as you hear the start-up tone, hold down the SHIFT key. Thus you can usually identify any startup issues that you may be facing. If your Mac wasn’t booting up before, when you started it normally, and it booted in Safe mode, it means there’s an issue with a program or an app (most probably a startup app).Īs we mentioned earlier, Safe mode performs certain checks and prevents some software from loading or opening when you start up your Mac. When you run a file system check with Disk Utility, you will see them listed as the Catalog file, the Extents file, and Extended Attributes file, among others.Once you’ve launched your Mac in Safe mode, the first step is to see if your Mac loads up correctly. The HFS+ format includes a several indexing databases that hold information on where files are on the disk, and various attributes about them. In addition to the timing of the key press, be sure to check your keyboard's battery level and replace the batteries if they are low.Ī final issue that may prevent booting to Safe Mode is if there are problems with the boot drive's file system structure. Instead, if you have a wireless keyboard be sure to press and hold the Shift key after the boot chimes sound. On a Mac with Apple silicon Turn on your Mac and continue to press and hold the power button as your Mac starts up. While many instructions suggest that you hold the Shift key at startup to get to Safe Mode, the system's Bluetooth controllers will only activate after the startup chimes sound, so if the key is held before this, the key press will not be recognized. When the login window appears, you should see Safe Boot. Hold down the Shift key immediately after the startup sound. A second potential issue that prevents Safe Mode from working is if you have a wireless keyboard. Press and hold the Shift key, then click Continue in Safe Mode. Restart the Mac and hopefully it will boot correctly.
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