Start up from the recovery partition by holding commandr. Someday when we are going to resell, donate or throw away our external hard drive, usb drive, memory card, we should not only format the external hard driveusb but also destroy and wipe all personal data on our device. How to format or partition an external hard drive for mac. Formatting is a very simple procedure which is operated in a similar way for all sorts of storage media. Learn how to use macos recovery to reinstall the mac operating system on your builtin drive or an external drive. How to mount os x lion to a flash drive hard drive and clean install mac os x lion. This is useful if a drive is being used under both operating system osto move files between the two environments. How to format a wd hard drive to exfat or fat32 file system answer id 291 a western digital external hard drive can be used on both windows and mac osx. This is an article for mac, it is erasing a hard drive from a mac command line, it is not a windows tutorial. However, this is one of the many reasons why you should know how to format the drive for both mac and windows operating systems. Upgraded today to ml then plugged the drive in and turned it on, a little pop up appears saying my imac doesnt recognize this drive. For instructions on how to format a drive in mac os 10. All external usb disks can be formatted to work on mac osx, but not always straight out of the box. Run mac os x on an appletv with an external hard drive how to.
Follow these instructions if you plan to share an external hard drive between pc and mac computers. Both mac os x and windows allow users to format their hard drives using builtin utilities. Understanding hard drive partitioning with disk management. Whether you are trying to backup mac to an external hard drive, wipe out any personal information and sell the computer, or even use a new operating system, you need to format the hard drive on your mac or pc. External data storage devices such as usb flash drives, external hard disk drives hdds, and solid state drives ssds provide one of the easiest ways to transfer files between separate computers without accessing the. Create a bootable install usb drive of mac os x 10. How to format a hard drive for mac internal, external or.
Select the partition tab on the right hand side of the disk utility window. Mac free external hard drive recovery is the leading mac data recovery software specially designed for external hard drive to recover files lost due to deletion, format, raw, virus attack, system. If a wireless network is available, you can choose it from the wi. Mac os x can only be installed on a hard drive formatted in mac os extended journaled, filesystem.
In this video i show you how to reinstall mac os x on your apple computer. File system formats available in disk utility on mac. As previously you have understood how to unlock the external hard drive on mac operating system, now it comes to discuss how to format external hard drives on mac operating system. When trying to save large files in final cut pro, the hard drive would save numerous. So, whether you wish to format the internal hard drive, external drive, or a usb flash drive, the procedure is the same for all.
How to format a wd hard drive to exfat or fat32 file system. You can format a drive in os x using two applications. These steps can be used for both internal and external drives. So the mac would not recognise it so i just want to know if i can boot of my mac os 9 cd with no hard drive that is readable in the machine format it in setup and then install on it. How to format a hard drive for both windows and mac. Macyourself blog archive how to format a drive for mac and pc. You will see the main window with three options as illustrated in figure 1. Reformatting the drive will erase all data on the drive, so you should copy any data you want off the drive prior to formatting. The previous defunct hd was also fat32, which i did not realize upon receiving and using. Formatting an external drive on your mac is quite easy, though it isnt as evident and obvious as it is on a pc. How to install os x after formatting your hard drive. How to format hard drive for mac compatibly in os x disk utility. Even though most people associate formatting with system installation, there are many other reasons why you might want to format your hard drive.
The videos below demonstrate the complete process of formatting an external hard drive for full mac os x compatibility, this uses the. Disk utility on mac supports several file system formats. One of them is that you might purchase a new usb flash drive which is preformatted for windows os and you will be unable to use it on your mac. How to format a usb external disk for mac osx using disk. You can erase the drive and reinstall os x using the recovery system. Install, boot, and run mac os x from an external hard drive. How to share an external drive between a mac and a pc. Especially, if you want to get a very first view on a mac os x 10. How to upgrade an os x lion systems hard drive cnet.
Create a bootable lion install drive for newer macs. How to install macos or os x on a new hard drive for your mac. I have an external hard drive that i created in lion formatted it exfat. Ill store my media files on it while keeping the internal hard drive clear for apps and the os. Formatting an external disk or flash drive in macos sierra is little different that formatting it in mavericks and lower versions of os x.
Choosing the right format for your external hard drive b. The objective is to clean the memory or give more space in the hard drive for another allocation. Compare the different options for formatting an external hard drive to work with windows and mac. The first thing youre going to need to do is format the external hard drive properly. Tutorial to rescue formatted external hard drive mac. How to reformat mac os x without a recovery disc or drive. Learning how to format an external drive on mac is necessary for numerous reasons. How can i format this drive in windows 7 home premium.
Why cant i see my external hard drive icon on my desktop. The best ways to format an external drive for windows and mac. This will work in all modern versions of apple mac osx including 10. Download and install the trial version of the software on your mac. How can i erase my computer without a mountain lion install disc.
I received a replacement 750gb external hard drive from western digital. How can i reformat the internal drive and install mountain lion from an external drive. All options, including format, is greyed out except to delete volume. How to format internal andor external drive to work properly on mac and windows computers. This mode is only available on apple computers made after 2009 that were running os x lion or later. Select your external hard drive or usb flash drive from the list on the left. Some people are asking for a way to format a hard drive for mac. If you want to create multiple partitions on your external hard drive in fact, you should for better file organization, heres a stepbystep guide. And we usually perform formatting in our usb or external hard drive when we want to get rid of viruses, or we want to clean the disk as it was when we purchased it.
External hard drive in exfat not working macrumors forums. If your drive is already formatted for mac os x, it is. How do i reformat my hard drive in os x mountain lion. I plugged the 1tb into my friends mbp sl and it reads the drive fine. I heard somewhere that if a external hard drive is formated exfat on a mac, it wont work on windows, unless it is mac os x 10. How can i reformat the internal drive and install mountain. In this tutorial we look at formatting disks via the gui app called disk utility and its equivalent command line tool diskutil. Also when we buy a new usb or hard drive, it often comes with windows compatible not the mac so formatting it. Open disk utility, select the drive not the macintosh hd volume, open the erase tab, set. Mac free external hard drive recovery for mac free. How to format a usb external disk for mac osx using disk utility.
This will demonstrate how to format a hard disk to be completely mac os x compatible, the entire process is handled through disk utility as. So you figured, fine, ill just get an external hard drive. Installing mac os x on blank hard drive using internet. Format an external hard drive or usb flash drive for mac os x. If you need to upgrade your macs hard drive, you may need to consider options for maintaining the lion recovery hd partition. Mac os x installation basics sata drive seagate support us. Connect external hard disk to the computer and launch the software. Some mac users may require the ability to erase a disk or erase a hard drive from the command line on mac os. This tool allows you to manage the partitions on drives connected to your computer. How to convert a macformatted drive to a windows drive. I can no longer see the usb external hds 11tb and 1500gig.
Quit disk utility and continue with a reinstall of os x mountain lion. How to format an external disk or a flash drive for mac. Open disk utility, select the drive not the macintosh hd volume, open the. Click the erase tab, select your hard drive, and then erase the disk. Power on the computer while holding down the option key. Create a bootable lion install drive for newer macs macworld. Yes, when someone needs to unlock the external hard drive, it usually for the need of formatting it. Smaller external hard drives, ssds, and usb flash keys format quickly, while a larger hard drive may take a while longer. Use disk utility to erase format a hard disk, ssd, flash drive, or other storage device.
How to format external hard drive and usb drive under. Some older macs support a recovery partition but not internet recovery mode. The simplest way to install macos or os x on a new hard drive is by using internet recovery mode. This method should work on all apple computers and with all recent versions of mac os.
Formatting hard drive in mac os 9 setup apple community. Before upgrading to the latest mac os x, it is often useful to install mac os x on an external hard drive for testing. How can i reformat the internal drive and install mountain lion from. Home pc mac how to format an external disk or a flash drive for mac.
Now your external drive has been formatted to be fully compatible with apple macos, and you can edit, read, and write files to it as you want. If your machine is still useable and can boot to mac os, you can create a bootable usb drive out of the image using the links from below and then proceed with. You can, however, format a windows hard drive from a mac if you connect the windows hard drive to the mac and format it through disk utility, or the command line as described above. Installing mac os x on blank hard drive using internet recovery. I tried repairing the permissions in disk utility to no availworks fine on my laptop. How to reinstall macos from macos recovery apple support. Disk utility and terminal well be detailing both of these methods below. Showing you how to install mac os x on a blank hard drive using nothing but wifi. If your mac is from before 2009 or never had os x lion, click here to jump to the next section.457 1487 1 469 1308 781 1076 1017 830 514 350 1487 148 75 803 775 1459 124 959 491 188 720 259 3 1304 766 565 1003 436 917 684 245 522 1307 1289 1319 777