Choose a security level using the slider. However, it also increases the time it takes to format the drive quite considerably. You can download CleanMyMac X for free here. Which should you choose? The main reason for formatting a USB drive as Fat32 on a Mac is that you want to be able to use the drive on a Windows PC, as well as a Mac — perhaps to transfer files between the two machines. You may also be preparing the drive for use as, say, a storage device for a media player or to record TV programmes on a TV with a USB port.
The fact that Fat32 can be read from and written to on both Mac and Windows makes it very versatile. However, there is a significant limitation — individual files have a maximum size of 4GB. There is a solution, however, exFAT. I have reinstalled NTSF whatever. I was going to mail it back this morning. I just did what you said and it is now backing up. Keeping my fingers crossed but SO relieved! Can check this off my list and move on. I have external HD and want to use it with my mac. But I have several pictures on this HD. I want to be able to add folders and continue to put several of my pictures and files on it.
WHat do I need to do? If the drive is not recognized by the Mac, you can use Disk Utility to recognize the PC formatting and then format it for Mac compatability: I have an external hard drive that used to work with my mac. Now it is reasonable only on a mac but I can read and write in a windows pc.
How can i make it read and write for both mac and windows. I have an external drive and tried going to disk utilities…. Erase…Mac OS extended journaled …. Erase I get an error that it is unable to format. Any suggestions? The comment at the end is confusing see the last phase in quotes below …Is that just an advertisement? I want to follow the 7 step instructions to format a backup drive for my Can I follow the 7 steps and achieve that?
Yes, you can format an external hard drive for Time Machine this way.
And no this is not the Dell site. Is it okay to keep it and reformat it for mac or am I much better off returning it and buying another one specifically for mac? Yes just format the drive for the Mac as described in this article on formatting an external hard drive to Mac OS X compatibility. Same here! This is the exact message. It came straight from the box:.
Formatting a Drive for Mac OS X & Windows PC Compatibility
Erasing a partition deltes all the data on that partition, but does not affect other partitions on the same disk. Same here. Click Done to continue. The Disk Utility has changed, you might want to update the screen shots to reflect the new version, the Partition tab is noticeably different. It Fails and says: Disk Erase Failed. I get similar errors constantly when using USB hubs on Mac with external drives, but when plugged directly into Mac the hard drives work.
Having the identical problem connected directly to USB on the back of iMac. How do you tell if it is locked?
I have a new maxone external drive, and it is not recognized in the left-hand panel of the Disk Utility. It is connected by USB cable, plugged directly into mu iMac. I have an Iomega Ext. The storage is half full with over MB of storage left. Am I able to continue with the formatting without erasing the current files that are already on it? I have a 1TB Toshiba external hard drive, I have been using on my iMac and have been able to read an write on it. Why is it working on my iMac and not on my macbook pro? It seems that the hard drive is formatted for Windows but it does work read and write on my iMac.
Do I need to format this external drive to be able to use in more than one Apple computer? The one single thing, arguably one of the most important bits has been skipped altogether from this guide…. Majority if not all flash drives come not only with Windows dominant file systems, but also MBR formatted, vs the Mac where the operating system is always installed to a GPT partitioned disk. Format for Mac compatibility as described, I use it with every disk.
You do not need to mess with schemes, this is not Windows. This is Mac. In this case you are formatting the drive to be Mac compatible. This is not about Windows. Just trying to figure out if I need to back my pictures up to a second hard drive before I do this. Backup everything you want to save.
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Nothing is left on the external hard drive after formatting is completed. This post is a lifesaver even 5 years down the track! Hi, I did what it said.
Top 5 USB Flash Drive Formatting Software for Mac
But two of my USB are ruined, my computer cannot read them anymore. I kinda wanna cry. If you format a hard drive it erases the data on it. That is what formatting does, it erases a drive. What else do you think erasing a drive is supposed to do except erase the data? I purchased a 4TB WD external drive and having a heck of a time reformatting this drive.
Which format to choose?
I have tried all the above advice without getting to have this new hard drive formatted. Any other suggestions? I just keep getting the error Disk erase failed.
There must be something new with High Sierra Is there an option besides just declaring the data irretrievable, and more importantly, how does a USB uninitialize itself? Will I be able to copy and share media across both Mac and Windows? I am Computer-Eleteret lol. Now My Mac is about There. I just have no Clue how to do it.
They should have introduced a completely new, open and completely independent file system which is designed for external devices and is free to use by everyone. Could Ext4 and coming newer versions be a perfect candidate for this? I always have to think of this particular XKCD comic when talking about this ; http: The reality is we all live in a world of mixed platforms, always have and probably always will.
The OS that has the widest support usually becomes the most popular. Although we know its limitation of 4gb file size only. So, after an hour research I am able to find three solutions for it: Create two partitions on your hard drive to use with each OS, separately. You can create,delete,format,resize boot camp partition,repartition without any data loss, can make bootable DVD by Stellar partition manager.
I found this tool really easy to use and efficient. Wanted to copy a large video file so needed to use exFAT. I do not like encryption, how do i do it. I have inherited three Macs. I was planning to use them but now I am convinced that Apple is interested in creating compatibility issues, worse that microsoft, so I am switching to Linux. And after the instructions, I tried to boot into Windows. And then I see that is says something like: Press Enter to try again.
I have a 16gb SanDisk that I wanted to put a movie onto. The movie was 8gb.
Format an External Hard Drive or USB Flash Drive for Mac OS X
It gave me errors and would not copy the file. Said format problem. So I reformatted to Apple journaled and had no more problems. But now, of course, a PC cannot read the flash drive. Name required. Mail will not be published required. All Rights Reserved. Reproduction without explicit permission is prohibited. Enter your email address below: Posted by: Irene Kisala says: April 22, at 6: Lehman bros lol says: April 22, at 7: Daniel Clark says: February 1, at 5: Joshua K says: April 23, at Karl says: February 9, at 8: Alberto says: April 22, at 9: