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When you’re done, unmount the first Mac’s drive from the second Mac in OS X and press and hold the first Mac’s power button until the system powers off.Starting up your Mac from an external disk requires the following: You can now directly connect your Mac to another Mac with a FireWire or Thunderbolt cable and access the first Mac’s drive. Keep holding until you see a white FireWire or Thunderbolt logo appear on the screen (depending on your Mac’s hardware capabilities). To use Target Disk Mode, turn on your Mac and hold down the T key as soon as you hear the startup chime. #Startup manager mac full#This will give you full access to your Mac's hard drive from another Mac, connected via Thunderbolt or FireWire cable. If all else fails and you simply want to connect to your Mac's internal hard drive as if it were an external hard drive, we have Target Disk Mode. ![]() You can release the keys once you see a black screen with white text. To boot into Single-User Mode, turn on your Mac, immediately holding down the Command + S keys. If you don't know what to do, I recommend not using this boot mode. For those who know what to do at this point, the playground is yours. instead of taking you to the familiar login Window, you will be left with a Terminal prompt. ![]() Single-User Mode is somewhat similar to Verbose mode with one glaring difference. As soon as you hear the startup chime, press and hold the Command + V keys. To boot into Verbose Mode, turn on your Mac. For those of you who want to see exactly what's happening under the hood, there's Verbose Mode. Apple has been very kind by hiding most of that behind a gorgeous User Interface (quite frankly, most of us wouldn't know what we were looking at anyway!). When you boot your Mac normally, there's a lot going on. Your Mac will continue booting as normal. You can release the keys once you hear the Apple chime for the second time. As soon as you hear the startup chime, press and hold the Command + Option + P + R keys (don’t get frustrated if you miss it the first time… just try again). #Startup manager mac upgrade#It’s also recommended to reset your PRAM if you upgrade or swap out your hard drive. If this becomes corrupt, it could result in some funny system behavior that may be resolved by resetting the PRAM. PRAM stores important system information such as hard drive IDs, screen resolution, speaker volume, etc. In some cases, it may be necessary to reset the PRAM (Parameter Random Access Memory). Once you see the following screen, you can release the keys and begin troubleshooting. Immediately press and hold the Command + R keys, even once you see the Apple logo and hear the startup chime. To boot into Recovery Mode, turn on your Mac. We can also restore from a Time Machine backup, use Disk Utility (I spend a LOT of time here) and even search the web for additional help. This can prove to be very useful, but even more useful are the other tools that we have access to when we boot to Recovery Mode. #Startup manager mac install#Since the days of OS X Lion in 2011, Apple has offered a way to install or reinstall your Operating System. ![]() So, without further introduction, here are 7 ways to boot your Mac when it’s having a bad day. Since I love to share knowledge, I wanted to share these easy-to-use tools with you. #Startup manager mac software#Just like a mechanic has a set of hardware tools in his toolbox, I have a set of software tools that I use fairly often to help diagnose and troubleshoot when things go really wrong… that time when your computer just won’t boot. For those of us who use Apple hardware, those times or less frequent, but even then, it can be a pain to deal with. It sometimes fails, and when it does, it’s usually at the most inopportune time. We love tech for improving our productivity, keeping in touch with family & friends and just plain having fun. Tech is AWESOME! When it works the way it’s supposed to, at least. ![]()
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