Safe Mode disables login items and nonessential kernel extensions. Hold the Shift key during startup to boot your computer in Safe Mode.The startup manager searches all the volumes connected to your Mac and displays those that have a bootable operating system. Hold the Option key during startup to open the Mac OS startup manager, allowing you to select a disk to boot from.
Hold the Option + "d" key during startup to boot up using the AHT over the internet or Apple Diagnostics over the internet.Hold the "d" key during startup to boot up using the Apple Hardware Test (AHT) or Apple Diagnostics.This mode lets you use any Mac with a FireWire or Thunderbolt port as the source for your boot-up system. Hold the "t" key during startup to boot in Target Disk Mode.Hold the Option + "n" key to boot from the NetBoot default startup volume.NetBoot volumes can be created with OS X or macOS Server, allowing you to boot from, install the Mac OS, or restore the Mac OS from the server on your local network. Hold the "n" key during startup to boot from a networked computer that has a NetBoot volume.If you have created a bootable Mac OS installer on a flash drive, this is an easy way to boot from the installer. Hold the "c" key during startup to boot from a bootable CD, DVD, or USB flash drive.In some cases, an alternate OS may prevent the Mac's normal boot manager from running. You may find this useful if you have your Mac set to boot to a non-Mac OS volume, such as Windows or Linux. Hold the "x" key during startup to force the Mac to boot from OS X or macOS, no matter which disk is specified as the startup disk.I describe it this easy but those highly paid genius engineers in Apple neither admit nor share it.I am out over 3K for a brand new MacBook Pro + AppleCare which I can not use for my business because I can not install Bootcamp. There is something different with the way High Sierra organizes the File System and Bootcamp can not digest it. They can not understand the fact that Apple does not pay for our time as Clients. but instead of reading they enjoy getting in to your nerves. All they need to do is to read the case to see that those questions like "Have you used a back up when your set up this Mac ? Answer NO. They also enjoy asking the same question even when you give them the your previous case numbers. Let your Mac wait for 90 Minutes to settle" before your try again setting up "Bootcamp and disc partition. instead they try to waste your time with a multiple layer of technicians on the phone each claiming they are more capable then the previous of who already wasted 2 hours of your life trying some bizarre thing. on top of that apple support does not let you to bring it to a store. you can not set up bootcamp from fresh if you have high Sierra. I recently purchased a brand new MacBook Pro 15. The situation is even worst then you describe. More info available in the following Apple KB article titled, "How to switch between Windows and macOS in macOS High Sierra." ** There are a number of active threads discussing this issue and associated workarounds in the public Apple Support Forums. * Note that VO is not available at the Startup Manager screen. Use the left or right arrow keys to select the desired OS and press return to boot into the selected OS. As the Mac is starting up, press the Option key to boot to the Mac Startup Manager.ģ. Attempt to boot into macOS by holding down the X key during startup. Apply all Windows 10 updates, including updates to Apple's Windows utilities. The system fails to restart from Windows and a dialog box appears with the message, "Could not locate the OS X boot volume."ġ. From the Windows Bootcamp utility menu, choose "Restart in OS X."Ĥ. Boot into Windows in the Mac's Bootcamp partition.Ģ. Steps to recreate the issue on a mid-2013 MBA running macOS 10.13 with primary macOS volume formatted as APFS and Bootcamp partition running Windows 10 formatted as NTFS:ġ. Issue: After upgrading from macOS 10.12 to 10.13, attempting to Restart in OS X from the Windows Boot Camp menu fails with message "Could not locate the OS X boot volume." Apple has acknowledged the issue and has posted a KB article which I've linked at the bottom of this post.