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- How to format macbook air without internet how to#
- How to format macbook air without internet mac os#
- How to format macbook air without internet install#
- How to format macbook air without internet software#
- How to format macbook air without internet code#
How to format macbook air without internet mac os#
Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility.Click the Erase button in the toolbar, then enter the requested details:.Select Macintosh HD in the sidebar of Disk Utility.From the utilities window, select Disk Utility and click Continue.If asked, select a user you know the password for, then enter their administrator password.Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R.If a tech leads with "reinstall macOS," run to the nearest exit. If it doesn't, then you wouldn't have wasted your time wiping your drive, risking your data, only to reconfigure your Mac how you had it prior to the reinstall.
How to format macbook air without internet install#
Generally speaking, if the problem exists in one of these clean macOS environments another one (a fresh install) isn't going to solve it.Īnd just to show that a reinstall is in fact a "last resort," you can install a clean version of macOS onto a USB thumb drive, boot off of that and see if it solves your problem. In the case of a keyboard, booting into Safe Mode or even into recovery will give you a much better idea of what the problem is. Keyboard or WiFi not working? Reinstall! This should be near the bottom of the list of things to do when trying to solve an issue. Too many times I see this one of the first things people do to fix a problem. These two modes won't fix the problem - they're there to help you diagnose the problem and ultimately reach a solution. Verbose mode simply allows you to "see" all of the boottime messages that you might find what's hanging up your system.
How to format macbook air without internet software#
Safe mode simple prevents 3rd party software and kexts from loading so that you have the cleanest slate possible so you can see if the problem with with macOS or something else. Looking at it from a PC users perspective, how many times have you heard HP or Dell tell their users to "reset the PMU" to solve an issue? Safe Mode/Verbose Mode It will not have any effect on software, keyboard, or wireless.
How to format macbook air without internet code#
There's nothing special about Apple's SMC other than it's got proprietary code and you cannot purchase it from TI.Īpple tells you when you should reset your SMC and all of the reasons have to do with power, temp, sleep, etc. It's a chip made by Texas instruments that manages the flow of current, the fans, monitors the temperature, etc. This is your power controller or what is known in the rest of the computer industry as a PMU (Power Management Unit). It has nothing to do with the running of your Apps or whether some of the keys on your keyboard work or don't. Your NVRAM holds pre-boot environment variables like initial screen resolution, boot volume, Bluetooth keyboard identification, boot chime volume, etc. NVRAM is used with the Intel CPU based Macs. PRAM was used with the PPC (Power Macintosh) like the G3, G4, PowerBook, etc. NVRAM means Non-Volatile RAM (Random Access Memory). Many times you see this incorrectly referred to as PRAM as well. So, what do they actually do? Reset the NVRAM 99% of the time, they are not the right thing to do.
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So often we see these as the very first go-to suggestions/solutions to every problem that a Mac faces. Resetting Your NVRAM/SMC, Safe Mode, Verbose Mode, and reinstalling macOS I hope I can save you some time and alleviate any consternation with respect to the diagnostic procedures in getting you to a solution to your problem. I wrote the following to shed some light on the some of the commonly held misconceptions regarding the all too familiar procedures for "fixing" a broken Mac by resetting the SMC/NVRAM, resintalling the software, etc.
How to format macbook air without internet how to#
Your keyboard is broken: Keyboard key stuck or not being recognized how to fix Again, same accident, but this time you just repaint and reupholster the interior. Same accident, but this time you remove all the bumper stickers, the large spoiler, empty the groceries from the trunk, clean out the glove compartment and put in a fresh, clean tank of gas. This is like getting into an accident where a wheel falls off and thinking that if you can only reset the check engine light, things will work again. None of these things are going to fix a physical issue with your computer. Let's look at this from the perspective of an automotive analogy. The left Shift ⇧ control ⌃ option ⌥ does not respond so I can't reset the SMC Your keyboard is damaged and it needs to be replaced.
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I was thinking it didn't get any damage, but several keys are not working anymore and the keyboard black light is also down. My MBP (13-inch, 2017, Four Thunderbolt 3 Ports) has been hit by a small object on its keyboard.