I'm still learng much about Macs. I have a MacBook Air with a 1TB My Passport for Mac as an external HD. A few things have been acting a little strange, so I decided to run the Disk Utility. Pbp to iso converter for mac. After running the Verify disk, it says that the volume needs to be repaired. When I try running the Repair Disk, I get a message saying :
Jan 16, 2017 I just realised that when I look at the Passport Drive in Device manager it is Disk 1. When I look in Disk Management Disk 1 has 3 partitons and each is shown separately list volumes in Diskpart. I selected the largest volume to assign a drive letter but really I cannot select the whole of Disk. Equipment involved: MacBook Pro (OS X version 10.7.3) HP Pavilion dv 7 Notebook PC (Windows 7 Home Premium) WD Passport Portable Hard Drive Using WD My Passport on both MacBook Pro and Windows 7 HP Pa read more.
Format Wd Passport For Mac Couldn't Unmount Disk Windows 7
Verify and Repair volume “My Passport for Mac”
Volume repair complete.
Updating boot support partitions for the volume as required.
Error: Couldn’t unmount disk.
![Wd passport for mac instructions Wd passport for mac instructions](https://i.imgur.com/lx8m5n7.jpg)
Is this OK, do I need to do something more?
I used the HD as extra storage as the SSD on the MBA isn't enough for my needs. I store 2nd libraries for iTunes and iPhoto on the My Passport. I ocasionally get error messages where neither will work and I end up having to dismount the HD and sometimes restart the MBA in order to make either work. My problems could be more than my original question, but I don't know enough yet on where else to start.
![Passport Passport](https://techzillo.com/wp-content/uploads/2019/05/couldnt-unmount-disk.jpg.png)
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