Portable External Hard Drive For Mac And Windows

Use 'Disk Utility' to format External Drive with exFAT mode and GUID Partition Map to make the HDD compatible with both Windows & mac OS. Laptop: Macbook Air (2014).

I have a Lacie d2 Quadra 1tb External Hard Drive. I had it for years on a Mac. But unfortunately it bit the dust and I decided to get a PC.

Now either because of time, corruption or because it may have been formatted for a Mac when I plug it into my PC I cant access it. I can find it under Device Manager and Disk Management but that's it. But the PC does see the shortcut button when I plug it in I get a notice saying it sees it.

So I have come here to this community of bright individuals to seek guidance. I know very little about reformatting (possible nothing) so I don't want to mess it up. So here are my two question: 1. After reformatting will I get all of the 1tb of space I had before? How do I do it. I would like to thank everyone for their assistance.

I am trying to reformat an external seagate harddrive for use on my windows 7 running PC. The drive used to be used on a mac so is probably in the wrong format so isn't automatically detected when I plug it into my PC. I can find the drive using Device Manager and it says the drive is working fine, but it doesn't show up on windows explorer or my computer, which is where other tutorials say to reformat from. Any guesses as to how to detect and reformat the drive for use on the PC? (Unfortunately the old mac is now cactus so I cant just reformat from there.) Thanks a lot! Haha, i had the exact same problem and I came up with a solution. I have an external seagate 2TB USB3 HDD, I used it for my Mac and when I used it on windows, I isn't there and i can't backup but the light was on.

This is what you have to do: 1)just search format on the windows search option on start, open the program called 'create or partition hard disk partitions' 2) You will be able to see your drive in this application, right click on the unallocated space and there should be an option called format. 3)It should then format the drive to NTFS. 4)The drive will now appear in the start/computer menu. Hope this helps.

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P.S, I couldn't format it from my Mac as it only formatted it or wiped it to it's MAC OS Journaled thing.