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. Select your time machine backup disk, then select the time machine backup you want restored. How to erase or reformat a drive using disk utility. In this article, we will introduce you a few tools you can use for formatting hard drive under macos 10. Start up from macos recovery, then choose disk utility from the macos utilities window. When the process is finished, click done and restart your mac. Does this mean that they cannot be converted to windows. May 01, 2020 look for a data volume with the same name, such as macintosh hd data. Yes, you are right, xp will not see the mac partition in my computer. Erase and reformat a storage device in disk utility on mac apple. If you want the content on your mac to stay intact, skip to the next section. 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.
How to use macos recovery to restore the operating system on. This post serves as the table of the contents of this series. Mac users can quickly see whats taking up disk space through the system storage summary, this can help lead you on the. When youre asked to confirm, click the delete button. If the drive is called no name, directly above that, you should see the drive capacity of xxxx. Startup manager identifies your time machine backup as efi boot. The ssd has now been formatted as a mac os extended journaled volume named macos. Restoring your mac to its factory settings will erase all your data from the hard. 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. In recovery mode, macos runs a special sort of recovery environment. It provides exactly the same look at the boot partitions as the startup disk pane in os x system preferences. If a wireless network is available, you can choose it from the wi.
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. Your macs startup disk is listed on left, typically named. How to boot a mac from a startup disk your business. Itll boot into recovery mode, and you can click disk utility to open it up. How to format a hard drive for both windows and mac.
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. 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. How to fix a macbook with flashing question mark at startup. Get an overview of whats eating up mac startup disk space. If you dont see two passages filed at that point change the view in plate utility to demonstrate the drive and the volume. 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. When you have the need to format a hard drive under macos 10. Your startup disk cannot be partitioned or restored to a single partition. Reformat my whole macbook pro and start again with 1 mac. Find your startup disk it should be named machintosh hd unless you renamed it in the sidebar. Click on reinstall mac os x to begin the process of installing a fresh copy of the operating. Click the lock and enter your administrator password. Mac startup disk is full 15 tips to free up space on mac.
In general, you need to free up some disk space to avoid the message. Mar 31, 2020 release the option key when you see the startup manager onscreenit looks like a list of disk icons. How to erase your startup disk in macos recovery mode. 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. If you want to format a drive that will be used as your macs startup disk, the. Jan 01, 2008 yes, you are right, xp will not see the mac partition in my computer. Select your startup disk it is probably named apple ssd or something similar. Well educate you about the partition maps that macos supports and detail other important options that are at your disposal within disk utility. Locate the drive name from the left hand side of disk. Open disk utility open finder applications utilities disk utility. Now either launch the os installer or use the command line arguments to create a bootable drive and setup the os installer. How to create a bootable installer for macos 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. Launch disk utility, located in applications utilities.
Find your mac model listed toward the top of the window. Spotlight is the quickest way to open disk utility. Select the capacity of the drive respective to the one containing the device you wish to format then. Mar 16, 2020 when the os x utilities window appears on the screen, choose the disk utility option. Click either reinstall macos or reinstall os x and then click continue. Once the formatting process gets started, your data on the hard drive will be removed. Restart your macbook and hold down the command and r keys when the gray startup screen appears. 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. It is quite simple, one of the reason i love apple. 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. Click on disk utility then continue first of all to get your macs hard drive wiped. In the sidebar, select the drive you want to erase or reformat. Click on the disk utility option 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.
The backup drives i have are 3tb my book s for mac. 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. And to start up from that, it has to have an os on it too, which is where the recovery partition is useful. Then press the erase button and set a password for the encrypted partition. How to install macos or os x on a new hard drive for your mac. If you need to start completely fresh, then youll want to erase your startup disk using disk utility.
Use startup manager or startup disk preferences to select the bootable installer as the startup disk, then start up from it. Back up your startup disk and use disk utility to format your startup disk as a single mac os extendted journaled. Heres how to format a drive if you are planning to use it with a mac. Release the option key when you see the startup manager onscreenit looks like a list of disk icons. Can i reformat os x drive without removing it from my. 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.
What disk utility looks like in lion through yosemite. How to erase and install you can use os x recovery to erase your computer using disk utility. Go to disk utility erase disk select erase with journaling. Jul 16, 2006 your startup disk cannot be partitioned or restored to a single partition. 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. Select the mac os extended encrypted format under the format list. But the reason why youre doing this is because youve gummed up the hard drive and you want it to work better. Internal hard disk does not show in startup disk options. 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. To start up from macos recovery, turn on your mac and immediately press and hold one of the following. 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.
The mac startup disk almost full message and how to fix it. Choose mac os extended journaled from the dropdown menu and click erase. Click on disk utility then continue first of all to get your mac s hard drive wiped. How to use macos recovery to restore the operating system. Open the disk utility menu when the reformatting process is finished, and click quit disk utility.
Mar 29, 2019 select your time machine backup disk, then select the time machine backup you want restored. Formatting a drive will erase all data and partitions on the disk. How to wipe your mac memory and reset to default settings. With these solutions, you can easily format a hard drive under macos 10. You can always refer back to this table of contents for each step. If the partition map scheme says master boot record or apple.
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. Can you reformat your computer without the startup. Formatting your macbook pro using this method will reinstall os x, as well as your personal. Select the capacity of the drive respective to the one containing the device you wish to format then click the erase tab. May 23, 2019 select your startup disk it is probably named apple ssd or something similar. Formatting your macbook pro using this method will reinstall os x, as well as your personal files. Here is the deal, before you can install and use your new solidstate drive. Choose view show all devices from the menu bar in disk utility. 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. Apr 16, 2020 reformat mac startup disk this is another important solution to fixing the macbook pro file with a question mark. Then select disk utility from the utilities window and click continue. If you have any files you want to save, copy them to another storage device.
You can do that by typing disk format or disk management in windows search or going to control panel administrative tools create and format. How to reformat your mac without a recovery drive or disk. Erase and reformat a storage device in disk utility on mac. How to select a different startup disk apple support.
Hi, you can restore your mac to factory settings by erasing your mac, then reinstalling macos using the builtin recovery disk. On the left side of the window are the drives connected to the computer. You can still use the software to format a startup driveits similar to the steps in the previous. How to format a new internal ssd in macos high sierra.
Before you wipe your mac and erase any hard drive data, the first. Then choose edit delete apfs volume from the menu bar, or click the delete volume button in the disk utility toolbar. Click delete apfs volume from the menu bar or click the remove button in the disk utility bar. Before reformatting the macbook, make sure to back up all data that you want to retain. Back up your startup disk and use disk utility to format your startup disk as a single mac os extendted journaled volume. How to wipe your mac and reinstall macos from scratch. To boot using the usb, restart your macbook and press and hold the option key and select the usb. Use disk utility to erase format a hard disk, ssd, flash drive, or other storage device. Using disk utilities in the tools menu, you can reformat the hard drive as part of the installation process. Select disk utility from the startup menu, and you can erase your startup drive. How to reinstall macos from macos recovery apple support. How to factory reset a macbook air or other mac with macos. To find out the latest compatible version of macos or os x, you first need to know what model mac you have. Learn about selecting a startup disk, including what to do if your mac doesnt start up from it.
How to reset a macbook or any mac computer laptop mag. Continue using this guide to format the disk as an afps volume, however if a mac os extended journaled. This means keeping your disk clean is extremely important for daily. Restart a mac and hold down commandr after the startup chime sounds, and the computer boots into the recovery mode. How to use your macs disk utility to partition, wipe, repair. 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. Reformat mac startup disk this is another important solution to fixing the macbook pro file with a question mark. What you need to reformat macbook pro this post back up your macbook hard drive with time machine. An overfilled startup disk will also cause your macbook to run slower since it wont be able to use ram as effectively. Cant erase or reformat a drive in macos disk utility. Select your startup drive on the left typically macintosh hd, switch to the erase tab and choose mac os. May 08, 2020 find your startup disk it should be named machintosh hd unless you renamed it in the sidebar. 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. 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.
Can you reformat your computer without the startup disk. It is called macintosh hd by default, but if you renamed your startup disk, select it. 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. May 24, 2017 in this stepbystep tutorial, youll learn how to erase and reformat external disks connected to your mac using macoss disk utility. In this stepbystep tutorial, youll learn how to erase and reformat external disks connected to your mac using macoss disk utility. Reformat mac os x without a recovery disc or drive.
Restore your information to the startup disk and try using boot camp assistant again. Open disk utility from the utilities folder in your applications. Hello all, i am switching completely from mac to windows. In the disk utility window, specify the drive that you want to delete and click on the erase option. Solved macbook pro wont boot from internal hard drive. Choose your startup disk named macintosh hd by default from the sidebar and click the erase button. Otherwise, find the serial number printed on the bottom or on the back of your mac. I made a bootable sierra usb but it cant detect it. Reformat macbook pro to make brand new again josh benson.
First aid will run, checking the health of your macs drive. Some mac users may require the ability to erase a disk or erase a hard drive from the command line on mac os, a task which is typically performed through the disk utility application from. How to restore a mac to its factory settings digital trends. How to reformat mac os x without a recovery disc or drive. When you use startup disk preferences to select a startup disk, your mac starts up from that disk until you choose a different one. Then proceed to highlight your computers hard drive. If you want to erase your startup disk or startup volume. The sidebar now shows your disks devices and any containers. Your macs recovery mode is a treasure trove of useful tools, and its the easiest way to wipe your computer and start from scratch. Simple guide on how to reset your mac to factory settings. Then choose the system disk and click first aid on the top menu bar. Feb 07, 2016 erase mac hard drive and reinstall os x. However, you can see the mac partition as a choice in the startup disk panel.
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. Choose apple menu system preferences, then click startup disk. Jan 15, 2020 learn how to use macos recovery to reinstall the mac operating system on your builtin drive or an external drive. Here are the three solutions to format a hard drive under macos 10.
1098 1301 1340 1604 1421 1572 894 350 515 222 674 167 1338 652 1015 1245 886 1374 1210 1299 225 1417 135 333 1338 1544 979 899 1274 907 606 1107 1568 886 246 808 366 317 1182 160 478 289 1367 1142 914 247 932 1252 855