External hard drive format for mac os x

Oh my gosh, I am having the exact same issue.

When I plug it in the computer says it does not recognize the disk. HELP, I just got this yesterday.

How to Reformat an External Hard Drive for MAC?

I only want to use mine on my MacBook. I had the identical process as the original poster. Yeah, I cant get past the current situation. Having to return a second HD to Amazon in 2 days. Pretty frustrating. Hope that solves my issue. OK, I found it… Make sure to unplug every other external device as it will format those too. Only attach the device that you wish to format.

Quickly Format an External Hard Drive for Mac and Windows PC - MiniTool

It will format everything on the device and create a single partition. Hopefully you back up everything before you run the script. Hope it help. It work for me before. Cheers… Went to the PC store and picked up a new disk.

254: How To Format External Hard Drives On Macs Running OS High Sierra

Avoided the previous brand only for the same thing to happen. Plugged it in and started using it, no work required. It was the same price as the first one I had purchased.

How to Format an External Drive in OS X

Tried to get the guy at the PC store to format for me. Click Erase. Once the drive has been formatted, simply click Done. Your external hard drive is now ready to use and fully compatible with your Mac OS X. Please remember that the time it takes to format your external drive will depend on the size of the drive and also the security options you chose during the process.

Quickly Format an External Hard Drive for Mac and Windows PC [MiniTool Tips]

Thanks again for a great post! Your email address will not be published. This can be a huge limitation if you work with video files or large backups. FAT32 file systems are much slower in terms of performance than other file systems. Formatting Is Straight Forward and Free The process of formatting an external hard drive essentially involves erasing all the data and setting up the file format you want to use for the drive.


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If you don't plan on using the drive for Time Machine, skip steps 5 to 11 below and continue with step Enter the amount of space you want to set aside for Time Machine. In this example, we're shrinking the Time Machine partition to GB instead of allowing Time Machine to take up the whole drive.


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  7. Note that using a drive frequently between Windows and Mac could increase the chances of file corruption, so make sure you have backups of the files on the shared drive and be extra careful about safely ejecting the drive before disconnecting it from your computer. The instructions below are for Windows 10, but other versions of Windows from Windows 7 and up can also format an external drive as exFAT for use with Mac as well.