Better yet, it will download the most recent version of macOS so you won’t have to spend hours installing patches and service packs, as you do on Windows. You don’t even have to download a macOS installer to access these tools-if necessary, your Mac will download the macOS installation files for you when you choose to reinstall the operating system. One of the nice things about a Mac is that this is all built-in. You can then choose your language and use the graphical tools here. If necessary, you’ll be asked to connect to a network so your Mac can download the appropriate recovery software. Press Command+R as your Mac boots to access Recovery Mode. There are some universal commands, like the Option boot loader menu, which will change out the startup disk on system boot.Again, keep in mind there is some difference between a Power PC Macintosh and an Intel based Macintosh, and of course, the Mac hardware will matter for these as well.
#ALL MAC STARTUP COMMANDS HOW TO#
RELATED: How to Wipe Your Mac and Reinstall macOS from Scratch From here, you can reinstall macOS, restore your computer from a Time Machine backup, or use the Disk Utility to repair, wipe, and partition your Mac’s internal disks. Recovery Mode provides various graphical tools for working with your Mac. Get Other Tools (or Reinstall macOS) with Recovery Mode If everything goes properly, your Mac will boot to its normal desktop. You’ll see the terminal messages appear during the startup process. Press Command+V as your Mac boots to enter verbose mode.
#ALL MAC STARTUP COMMANDS DRIVERS#
It’s like Safe Mode on Windows-it won’t load third-party hardware drivers or startup programs, so you can use this mode to fix problems if your Mac isn’t working or booting properly. When you boot in Safe Mode, your Mac will check its startup volume, only load necessary kernel extensions, and disable third-party fonts and startup options. Macs offer a Safe Mode, also known as Safe Boot. Select your language and your Mac will automatically test its hardware and inform you if anything is wrong. To access this tool, press and hold the D key while booting your Mac. On Macs released before June 2013, Apple Hardware Test (AHT) will appear instead of Apple Diagnostics. Test Your Hardware with Apple DiagnosticsĪpple Diagnostics tests your Mac’s hardware to ensure it’s working properly. To boot directly from the network with Netbook, press and hold N instead. To skip the Startup Manager and boot straight from a removable device-for example, a CD, DVD, or USB drive-instead of its internal drive, press and hold C.