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external hard disk

  1. R

    External HD problem - Western Digital My Passport Ultra for Mac [5TB]

    I have a question about a drive that I have a problem with. Hopefully some of you who are more knowledgable than me can shed some light on it. Apologies if it has been asked before. I have a Western Digital My Passport Ultra for Mac [5TB] which works fine when first connected, but over 15-20...
  2. M

    External APFS disk not usable now...

    I have Bootcamp installed on my iMac 2019. And i have a APFS formatted 1TB external HDD. I was checking my old USB sticks from Windows Disk Manager. It asked to Start Service something like that. I thought it is asking for USB stick. It was asking for my external 1TB. Clicked it without knowing...
  3. LeoI07

    Resolved How to fix an external hard drive partition?

    I have this 12 TB external hard disk drive with the main partition being an 11 TB exFAT partition. The thing is, this partition is somehow broken, and when it gets mounted macOS will often display an error saying "macOS can't repair the disk" and that I should back up all the files on it; macOS...
    • LeoI07
    • Thread
    • external hard disk external hard drive hard disk hard disk drive hard drive hard drive becomes read only hard drive errors
    • Replies: 2
    • Forum: Mac Accessories
  4. N

    Apple Music How to sync Apple Music playlists/library located on external hard drive between Macbook Pro and iMac

    Hello people. I hope I can find answers to my problem here. Here is my situation: My music library is located on an external HDD. I have manually created playlists in Music app on a Macbook pro and I want to have those same playlists show on my iMac when I plug in the HDD to it. Bypassing the...
  5. O

    Resolved MBP 2019 External HDD Problem

    So I got my base model MBP 2019 and chose to buy an external HDD to have more space. I tested the HDD on my windows computer and it is working fine. The HDD is with USB 3.1. I also bought a USB-C Hub but I kind of cheeped out on it. It does say it's usb-c to usb 3.1 however. Now the problem is...
    • Omegasz
    • Thread
    • copy files external hard disk mbp 13 usb 3.1
    • Replies: 6
    • Forum: MacBook Pro
  6. E

    Moving iPhone Backup to a New (Second) External Drive

    Hi. I've been backing up my iPhone via iTunes to an external hard drive (Drive A) for a couple years. I bought a new hard drive (Drive B), copied the Backup folder to it, but can't create a symlink. Using the basic method from iMore (and other sites) ln -s /Volumes/External/ios_backup...
    • ericddd
    • Thread
    • external hard disk iphone backup itunes
    • Replies: 0
    • Forum: macOS
  7. A

    Mac HD not showing Mac partition?!

    Hi, I have a mac harddrive where I installed bootcamp on one partition of it (windows 10). For some reason the mac won't boot into mac anymore. So to recover my data I have removed the hard drive and put it in a caddy and connected it to another mac laptop. The problem is that the harddrive...
  8. silkevanbladel

    External harddrive not activated

    Hi! I want to make a back-up from my macbook because it needs to be totally reset. I formatted my harddrive because it was an NTFS harddrive from my old windows computer. Next I wanted to reset the harddrive from NTFS to something (journaled?) so my mac was able to read the harddrive. So I...
  9. teethbrush

    URGENT:HELP needed with recovering MS-DOS External Harddrive

    Hi there I've got a 1 TB WD Elements harddrive that is not reading on either my Mac or Windows. I've tried it on a couple different macs (though neither worked), one is OS X El Capitan and the other is MacOS Sierra. Previously I could read it on both Mac and PC systems but could not transfer...
  10. D

    External HD not readable by this computer

    HI all, So I'm plugging in my external hard drive(2TB Buffalo, not portable, it draw power from a cable) to my macbook retina pro as per usual and one day I get a message stating that i "this disk in not readable by this computer" I turn it off, I change wires from firewall 800 to usb, I...
  11. A

    External Hard Drive Won't Mount

    I just bought a new external hard drive and was attempting to reformat it from ExFAT to APFS encrypted. The operation failed and now the disk won't mount (thought it still appears in Disk Utility). I have tried to reformat and use first aid but neither will work. Any help or suggestions are...
    • acropoli
    • Thread
    • external disk external drive external hard disk external hard drive external hard drive fails to mount
    • Replies: 4
    • Forum: Mac Accessories
  12. dave_marsspiders

    GoFlex Segate 2TB HFS Journaled would not mount. Please help. The error I get:

    sudo fsck_hfs -r -d /dev/disk1s1 journal_replay(/dev/disk1s1) returned 16 /dev/rdisk1s1 Using cacheBlockSize=32K cacheTotalBlock=98304 cacheSize=3145728K. Executing fsck_hfs (version hfs-305.10.1). could not get volume block 2, err 16 could not get alternate volume header at 409598, err 16...
  13. L

    Resolved Unable to read ext. HDD (note: ext. HDD *works*)

    Hi. I've got an external hard drive (Toshiba) that I've been using for storage for maybe two years now. It's been working perfectly and I've got it on HFS+. As of today I've been unable to use it with my iMac (2015, 27"). I cannot browse it as it doesn't show up in Finder etc, although I can...
  14. P

    Can't access any external portable hard drive unless I restart

    I bought my rMB used in February, along with the Apple USB-C HDMI multiport adapter, Apple USB-C VGA multiport adapter, and Apple USB-C to USB adapter. For a long time, I could access my two fairly new external portable hard drives just fine if I plugged them in via one of these adapters. But...
    • printrenori
    • Thread
    • adapters external hard disk hard drive
    • Replies: 4
    • Forum: MacBook
  15. M

    Increase my RAM and Storage with external USB Thumb Drive or SDHC Card

    Dear all mac users! I have now scoured the web for a solution to my problem. My Mac only has 128 GB of storage and 8 GB of memory (RAM), and it has started to run quite slow to the point where it has become a nuisance. I cannot upgrade my Mac with Apple, so I will have to solve the problem...
  16. jeanggi90

    External hard disk issue

    Hey guys I have had some problems with my MBP, so I have made a complete Time Machine Backup on an external hard disk which has 3 partitions on it (2x Mac OS Extended journaled and 1x MS-DOS FAT). After I had erased my build in hd and reinstalled OS X i want to copy the data from the backup...
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