How to Reformat Seagate Portable External Hard Drive. How to Reformat Seagate Portable External Hard Drive. Skip navigation. Seagate external hard drive how to set up on Mac. Question: Q: How do I reformat my Seagate Expansion external hard drive so I can use it for Mac I recently purchased a 3TB Seagate® Expansion® external hard drive for PC. My plan is too reformat it so that I can use it, but it has been acting wierd on me. How to format a drive for Mac and PC compatibility Posted by Ant on March 11th, 2012 43 Comments If you have an external hard drive or USB flash drive that you’d like to use on both Macs and Windows PCs, choosing the right file system to format the drive can be confusing.

You may desire to use an exterior FireWire or USB difficult travel to store your Aperture Collection, referenced pictures, or Vaults. Right here are some suggestions on preparing the external hard get for best performance with Aperture. Many external hard drives arrive pre-formatted as FAT 32. This is usually a native Windows file format that can be read by Mac OS X, but can be not ideal for use with Aperture. Before you start to make use of your fresh external difficult get with Aperture, réformat it to thé Mac Operating-system Extended file system:. Become certain your commute is connected and mounted.

If you have got already written any data to the push, back again it up before going forward to the next step. In the Finder, choose Move >Resources. The /Applications/Utilities folder will open up. Launch Disc Utility.

Click on the image for your exterior hard drive in the sidébar on the still left. Click the Erase tabs along the top of the windows.

From the Volume Format menu, choose Mac pc OS Extended (Journaled). Enter a title for the exterior hard travel in the Title field. Click on the Erase key. Details about products not manufactured by Apple company, or impartial websites not managed or tested by Apple company, is offered without recommendation or certification. Apple presumes no responsibility with respect to the selection, efficiency, or make use of of third-party websites or products.

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If you open the Storage Utility software on your Macintosh with the cd disk linked, you should become capable to observe it in the listing of disks on the still left hand column of the Drive Utility windows. If you click on on the thé partition (i.elizabeth. The name you notice in your document forest when the cd disk mounts under OS Back button) what perform you discover for the Structure at the bottom of the windowpane?

If it is certainly Mac OS Extended or a something related after that your disc is using the HFS+ file program, which can be the default for Operating-system X. This file system kind is not natively supported by Windows, which is usually why the disk will not mount when you connect it into your laptop. You have got a few of options:.

Reformat the drive to Body fat32, which is the minimum common denominator in file systems between OS Times and Home windows. In add-on to limitation to file dimensions. Depends on the filesystem kind and partitioning plan whether it'll work on both. If the tough drive were formatted fór HFS it wouId not show up on the Home windows Pc. If the Partition Plan were Apple Partition Map, it would furthermore not show up. For maximum compatibility, back up everything from the external hard push onto your Macintosh. Open Cd disk Utility, choose the external hard push and proceed to Partition.

Under Volume Scheme, choose 1 Partition, then click Options. Choose Expert Boot Record. Then select MSDOS under the Structure menu. Then click Apply. Your difficult commute should work on either pc at that point, as well as others you may test to use it on.

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If you desire something that both machines / OSes can learn a write, ánd that can act as an crisis boot push for either machine, perform this:. Reformat the drive, using the GUID Partition Table (GPT) as thé low-level partitión table structure. Avoid Grasp Boot Report, which Intel Macs can't boot from.

Also avoid Apple Partition Chart, which Windows devices would have got no clue about. Give the push one HFS+L (Mac Operating-system Extended, Journaled) partition large more than enough to set up Mac Operating-system X onto (10GN+). This quantity format accommodates Macintosh OS Back button and Mac files the best.

Provide the get one FAT32 (MS-DOS) partition, which both Mac pc OS A and Home windows can go through and write. This is certainly a great location to put data files that you wish both Mac and Windows to possess read/write accessibility to. The Body fat volume file format is displaying its age group, but a huge variety of OSes know how to function with it. If you desire the commute to possess a quantity that's even more ideal for Windows than FAT, give it an NTFS partition as properly.

This would become a good quantity to set up Home windows onto, but beware that Mac OS Times only has read-only assistance for NTFS buiIt-in. If yóu desire your Macintosh to be capable to compose to this partitión, you'll need third-party software to allow this on Macintosh OS X.