Then choose edit delete apfs volume from the menu bar, or click the delete volume button in the disk utility toolbar. Before reformatting the macbook, make sure to back up all data that you want to retain. How to factory reset a macbook air or other mac with macos. Hello all, i am switching completely from mac to windows. Click either reinstall macos or reinstall os x and then click continue. May 07, 2016 hi, you can restore your mac to factory settings by erasing your mac, then reinstalling macos using the builtin recovery disk. Formatting a drive will erase all data and partitions on the disk. From a working mac open disk utility and reformat the thumb drive to guid partition map and create a mac os extended journaled partition, that should fix the thumb drive. Sep 06, 2019 to find out the latest compatible version of macos or os x, you first need to know what model mac you have. Here are the three solutions to format a hard drive under macos 10. How to install macos or os x on a new hard drive for your mac. Here is the deal, before you can install and use your new solidstate drive.
May 24, 2017 in this stepbystep tutorial, youll learn how to erase and reformat external disks connected to your mac using macoss disk utility. Dec 17, 2014 in todays video, we show you how to completely reformat your mac and set it back to factory settings, all without the need for a recovery disk or drive. How to reinstall macos from macos recovery apple support. Mar 31, 2020 release the option key when you see the startup manager onscreenit looks like a list of disk icons. Can you reformat your computer without the startup. How to reset a macbook or any mac computer laptop mag. When you have the need to format a hard drive under macos 10. Then press the erase button and set a password for the encrypted partition. Once the formatting process gets started, your data on the hard drive will be removed.
In the disk utility window, specify the drive that you want to delete and click on the erase option. Click on the disk utility option and then click continue. Then select disk utility from the utilities window and click continue. Learn about selecting a startup disk, including what to do if your mac doesnt start up from it. Dec 16, 2014 there are a ton of reasons why you may need to reformat your mac its slowing down, too many unneeded files to delete manually, major technical issues or maybe youre just selling it on for an. To find out the latest compatible version of macos or os x, you first need to know what model mac you have. Use startup manager or startup disk preferences to select the bootable installer as the startup disk, then start up from it. Jul 16, 2006 your startup disk cannot be partitioned or restored to a single partition. How to format a startup drive for a mac if you want to format a drive that will be used as your macs startup disk, the procedure is a little different from formatting it for use as a secondary. Mar 29, 2019 select your time machine backup disk, then select the time machine backup you want restored. It is quite simple, one of the reason i love apple. The sidebar now shows your disks devices and any containers. Formatting your macbook pro using this method will reinstall os x, as well as your personal.
Restart a mac and hold down commandr after the startup chime sounds, and the computer boots into the recovery mode. But the reason why youre doing this is because youve gummed up the hard drive and you want it to work better. It provides exactly the same look at the boot partitions as the startup disk pane in os x system preferences. Spotlight is the quickest way to open disk utility. Choose mac os extended journaled from the dropdown menu and click erase. Your macs startup disk is listed on left, typically named. Find your mac model listed toward the top of the window. Mar 16, 2020 when the os x utilities window appears on the screen, choose the disk utility option. Select the capacity of the drive respective to the one containing the device you wish to format then. In this article, we will introduce you a few tools you can use for formatting hard drive under macos 10. Reformatting 3tb wd my book for mac to windows wd community. Solved macbook pro wont boot from internal hard drive.
How to reformat mac os x without a recovery disc or drive. Launch disk utility, located in applications utilities. Okay, so you may have a lot of files that you want to get rid of, but you definitely have some files you want to keep. How to erase and install you can use os x recovery to erase your computer using disk utility. On the left side of the window are the drives connected to the computer.
Then choose the system disk and click first aid on the top menu bar. Restart your macbook and hold down the command and r keys when the gray startup screen appears. Click on disk utility then continue first of all to get your macs hard drive wiped. Back up your startup disk and use disk utility to format your startup disk as a single mac os extendted journaled. If you erase the startup disk which it seems you have done, the mac cant possibly start up from it, so to do anything you have to start up from another disk, like the usb stick tony t1 suggested. If you erase the startup disk which it seems you have done, the mac cant possibly start up from it, so to do anything you have to start up from another disk, like the usb stick tony t1. In todays video, were showing you how to completely reformat your mac back to factory settings without the need for a recovery disk or drive. Restoring your mac to its factory settings will erase all your data from the hard. Internal hard disk does not show in startup disk options.
How to use macos recovery to restore the operating system on. The mac startup disk almost full message and how to fix it. Make your mac feel like new again with a fresh install of os x. How to reformat your mac without a recovery drive or disk. How to boot a mac from a startup disk your business. Reformat mac startup disk this is another important solution to fixing the macbook pro file with a question mark. Here is the deal, before you can install and use your new solidstate drive ssd on your mac computer, you have to reformat your mac startup disk. May 01, 2020 look for a data volume with the same name, such as macintosh hd data. If the partition map scheme says master boot record or apple. Before you wipe your mac and erase any hard drive data, the first. If a wireless network is available, you can choose it from the wi.
How to format a new internal ssd in macos high sierra. You can do that by typing disk format or disk management in windows search or going to control panel administrative tools create and format. Now either launch the os installer or use the command line arguments to create a bootable drive and setup the os installer. Jan 01, 2008 yes, you are right, xp will not see the mac partition in my computer. If you want to erase your startup disk or startup volume. Can you reformat your computer without the startup disk. What disk utility looks like in lion through yosemite. Get an overview of whats eating up mac startup disk space. How to format a hard drive for both windows and mac. Apr 16, 2020 reformat mac startup disk this is another important solution to fixing the macbook pro file with a question mark. When you use startup disk preferences to select a startup disk, your mac starts up from that disk until you choose a different one. I made a bootable sierra usb but it cant detect it. Resetting the mac will remove all data on the macbook pro startup drive, so please make sure you have made backups or restored important data with iboysoft data recovery. Startup manager identifies your time machine backup as efi boot.
How to select a different startup disk apple support. For example, if you need to reinstall mac os x on a macbook in your office and want to clear all the data off of the computer, you can use disk utility to reformat the laptops internal hard drive. Using disk utilities in the tools menu, you can reformat the hard drive as part of the installation process. How to fix a macbook with flashing question mark at startup.
Select the capacity of the drive respective to the one containing the device you wish to format then click the erase tab. Select your startup disk it is probably named apple ssd or something similar. Click on reinstall mac os x to begin the process of installing a fresh copy of the operating. Well educate you about the partition maps that macos supports and detail other important options that are at your disposal within disk utility. You can either remove some files manually or use a special app to find unneeded files and clean up startup disk in minutes. Start up from macos recovery, then choose disk utility from the macos utilities window. Open disk utility open finder applications utilities disk utility. How to erase or reformat a drive using disk utility. Formatting your macbook pro using this method will reinstall os x, as well as your personal files.
How to use macos recovery to restore the operating system. Hi, you can restore your mac to factory settings by erasing your mac, then reinstalling macos using the builtin recovery disk. Jan 15, 2020 learn how to use macos recovery to reinstall the mac operating system on your builtin drive or an external drive. How to erase your startup disk in macos recovery mode. A mac can start up from any disk that contains a bootable operating system or the files necessary to run your computer while you install an operating system. If the drive is called no name, directly above that, you should see the drive capacity of xxxx. Whether youre starting up your macintosh computer from its internal hard drive, an operating system installation disc or an external drive, its easy to get your computer going. Does this mean that they cannot be converted to windows. If you want to format a drive that will be used as your macs startup disk, the.
With these solutions, you can easily format a hard drive under macos 10. The backup drives i have are 3tb my book s for mac. For example, if you are formatting your macbook to reverse the effects of a virus, select a time machine backup that was created before the virus was. If you need to start completely fresh, then youll want to erase your startup disk using disk utility. And to start up from that, it has to have an os on it too, which is where the recovery partition is useful. Also, you can upload some biggest files to the cloud or backup disk, and remove them from the startup disk, however, this approach requires you to have.
Mac users can quickly see whats taking up disk space through the system storage summary, this can help lead you on the right path and give you an idea of whats going on and where to look. Mac startup disk is full 15 tips to free up space on mac. Choose apple menu system preferences, then click startup disk. Select the mac os extended encrypted format under the format list. Go to disk utility erase disk select erase with journaling. Otherwise, find the serial number printed on the bottom or on the back of your mac. To start up from macos recovery, turn on your mac and immediately press and hold one of the following. Mac users can quickly see whats taking up disk space through the system storage summary, this can help lead you on the. How to wipe your mac and reinstall macos from scratch. Click the lock and enter your administrator password. Then proceed to highlight your computers hard drive.
Release the option key when you see the startup manager onscreenit looks like a list of disk icons. Restore your information to the startup disk and try using boot camp assistant again. There are a ton of reasons why you may need to reformat your mac its slowing down, too many unneeded files to delete manually, major. When the process is finished, click done and restart your mac.
In todays video, we show you how to completely reformat your mac and set it back to factory settings, all without the need for a recovery disk or drive. In general, you need to free up some disk space to avoid the message. Locate the drive name from the left hand side of disk. If you dont see two passages filed at that point change the view in plate utility to demonstrate the drive and the volume. Click on disk utility then continue first of all to get your mac s hard drive wiped. Continue using this guide to format the disk as an afps volume, however if a mac os extended journaled. Select disk utility from the startup menu, and you can erase your startup drive. Reformat macbook pro to make brand new again josh benson.
Itll boot into recovery mode, and you can click disk utility to open it up. Find your startup disk it should be named machintosh hd unless you renamed it in the sidebar. How to restore a mac to its factory settings digital trends. How to wipe your mac memory and reset to default settings. Open disk utility from the utilities folder in your applications. Heres how to format a drive if you are planning to use it with a mac. Cant erase or reformat a drive in macos disk utility. If you want the content on your mac to stay intact, skip to the next section.
Your macs recovery mode is a treasure trove of useful tools, and its the easiest way to wipe your computer and start from scratch. To boot using the usb, restart your macbook and press and hold the option key and select the usb. How to use your macs disk utility to partition, wipe, repair. Erase and reformat a storage device in disk utility on mac. Can i reformat os x drive without removing it from my. Choose view show all devices from the menu bar in disk utility. How to create a bootable installer for macos apple support. You can do that by typing disk format or disk management in windows search or going to control panel administrative tools create and format hard disk. Open the disk utility menu when the reformatting process is finished, and click quit disk utility. Simple guide on how to reset your mac to factory settings. Select your time machine backup disk, then select the time machine backup you want restored. Back up your startup disk and use disk utility to format your startup disk as a single mac os extendted journaled volume. May 23, 2019 select your startup disk it is probably named apple ssd or something similar.
The ssd has now been formatted as a mac os extended journaled volume named macos. When youre asked to confirm, click the delete button. For most reasons to erase, including when reformatting a disk or selling, giving away, or trading in your mac, you should erase your entire disk erasing a volume on. Use disk utility to erase format a hard disk, ssd, flash drive, or other storage device. Continue using this guide to format the disk as an afps volume, however if a mac os extended journaled volume is desired you may now stop. However, you can see the mac partition as a choice in the startup disk panel. In the sidebar, select the drive you want to erase or reformat. An overfilled startup disk will also cause your macbook to run slower since it wont be able to use ram as effectively. Yes, you are right, xp will not see the mac partition in my computer. If you have any files you want to save, copy them to another storage device. Reformat mac os x without a recovery disc or drive. This post serves as the table of the contents of this series.
Select your startup drive on the left typically macintosh hd, switch to the erase tab and choose mac os. Your startup disk cannot be partitioned or restored to a single partition. Choose your startup disk named macintosh hd by default from the sidebar and click the erase button. Click delete apfs volume from the menu bar or click the remove button in the disk utility bar. It is called macintosh hd by default, but if you renamed your startup disk, select it. You can still use the software to format a startup driveits similar to the steps in the previous. First aid will run, checking the health of your macs drive. How to format a startup drive for a mac if you want to format a drive that will be used as your mac s startup disk, the procedure is a little different from formatting it for use as a secondary. In recovery mode, macos runs a special sort of recovery environment. May 08, 2020 find your startup disk it should be named machintosh hd unless you renamed it in the sidebar. Open the disk utility app on your mac using one of the following methods, depending on the type of disk or volume you want to erase. Erase and reformat a storage device in disk utility on mac apple. What you need to reformat macbook pro this post back up your macbook hard drive with time machine. There are a ton of reasons why you may need to reformat your mac its slowing down, too many unneeded files to delete manually, major technical issues or maybe youre just selling it on for.
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