Factory Reset MacBooks and Macs on macOS.MacBook Stuck on Apple Logo and Won’t Boot? Here’s a Fix.MacBook or Mac Not Starting Up After macOS Update? How-To Fix.Run Apple Diagnostics or Apple Hardware Test.Launch Single User or Verbose Mode with Terminal.Power up your Mac with the Startup Manager and select your Startup Disk Manually.Quick Tips Try These Steps to troubleshoot and fix a Mac Stuck on White Screen No Time? Check out our Step-by-Step Video Tutorial.Run Apple Diagnostics or Apple Hardware Test! How-To Create a Disk Image From Disk Utility.

Go Beyond Verbose Mode With Single User Mode.See Additional Details with Verbose Mode.Using Terminal in Single User Mode or Verbose Mode How to reset NVRAM on late-2016 MacBook Pro models.If Internet Recovery isn’t an option, try bringing up Startup Manager.Don’t Know if your Mac has a Recovery Partition?.A Safe Boot rebuilds your mac’s Launch Database on your hard drive!.Fix Your Mac’s White (or Gray) Screen 1. Before You Do Anything Else, Check Your Peripherals!.Click Apply - the following will be displayed.Click the Options button and select GUID Partition Table.Set Format to Mac OS Extended (Journaled).Under Partition Layout, select 1 Partition.NOTE: If you don't see the Partition tab then the volume is selected, not the drive Select the Partition tab on the right-hand side of the window.Select the drive on the left showing the capacity.To open Disk Utility - Open Finder > Applications > Utilities > Disk Utility IMPORTANT: Reformatting the drive will erase all data on the drive, so you should copy any data you want off the drive prior to formatting. Click here to see other formatting options for your operating system.Looking for a different formatting option? If you need to go between macOS and Windows format your drive ExFAT on macOS Mac OS Extended (Journaled) does not work natively with Windows.It is required when using Time Machine for the operating systems listed earlier.It is important to keep the following in mind when formatting Mac OS Extended (Journaled): Not seeing your version of macOS? Click here to see other versions of macOS and different formatting options.Not sure which version you are using? Click here to determine your version of macOS.IMPORTANT: This article applies to the following Mac OS X versions:

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