If your drive appears in Disk Utility but you are unable to mount any partitions, you may still be able to recover data from that drive. Digital camera SD card corrupted itself? Don't despair — here's what you can do to recover your files on your own. Some users have reported success in getting their previously missing drives to show up by rebuilding the macOS launch services database. You can rebuild the database by downloading and installing free maintenance app OnyX.
Launch it and input your administrator password so that OnyX can make changes. The app may ask to verify the structure of your desk; click Continue and wait if so. OnyX will appear unresponsive while the process completes.
Mac Mount Ftp Read Write
Once OnyX comes back to life, click on the Maintenance tab followed by Rebuilding. Make sure that LaunchServices is checked you can uncheck the rest then click Run Tasks at the bottom of the window. While this happens, Finder may become unresponsive. Once the process is complete, restart your Mac. Try reconnecting your missing drive once it reboots. Some older drives require USB leads with separate power connectors.
You can try switching out the cable for another and seeing if that makes a difference. You can confirm whether or not the drive is faulty by trying to connect it to another computer, if you have one. One potential solution is searching online for your particular brand and model. Manufacturers may have included Mac drivers as a separate download. If you have outstanding updates to apply, try applying them and trying again.
In particular, some firmware updates relate specifically to peripherals and devices that connect via USB. Launch the Mac App Store app and head to the Updates tab. Read More before installing major updates or upgrading macOS to the next major version. Even disk first aid or whatever the hell they call it now on the external drives? When troubleshooting USB or firewire devices, unplug all except for the problematic device and your keyboard and mouse, of course and plug it directly into your system.
Give your computer a once-over maintenance run. Then boot normally and reboot again the first boot will fill caches and be a little slower than the second before trying the problematic external drive. Last but not least, there may be problems with the drive itself, which can be caused by a number of issues including power or connection interruptions without properly unmounting the drive a frequent occurrence for external drives.
For information on how to tackle partition and volume problems, see this recent MacFixIt article. Post them below or e-mail us! Be respectful, keep it civil and stay on topic. We delete comments that violate our policy , which we encourage you to read. Discussion threads can be closed at any time at our discretion. Don't show this again. Feel free to delete my post. Mine is OS X Mavericks v Thanks so much!
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I'm glad it worked for you! I'll have to check and see if it works for Yosemite or not at some point Although I still get the warnings when mounting, installing the ntfs-3g plus its 3 dependencies did the trick on mavericks. Thanks very much! Open your Mac's System Preferences, then click Security. Good luck!
Mount & Unmount Drives from the Command Line in Mac OS X
However, I have a small problem. Though I can freely read and write on my external hard drive, I can't make other changes to it, such as renaming it. When I click on "Get Info" of the hard drive, it shows that I have custom access. Is there a way that I can change my status to administrator so that I can rename my hard drive? I have to say: I've no idea. Are there other changes you're trying to make, or is it just the name thing?
It's just the naming : So far I haven't encountered any other problems with that custom access. Thinking about this more, I suppose you could try disabling all the tweaks you made, then changing the name, then re-enabling them. If you want. Likewise, it was upsetting me so much, as I used PC and am now stepping up on Mac in addition, and I was guessing there were incompatibilities. Thanks so much for taking the time to help by posting, it makes a difference. Sadly Apple file sys is not supported by my TV and other usb readers. Oh I didn't know that.
However this post helped me a lot. Maybe I will install this driver in some other Mac. This is not working on my Mac, it used to, but now I have to turn paragon off to access my seagate hard drive, and even then it's only read only. FAT32 is such a crappy filesystem and it's a shame there's no filesystem with full default support by the main 3 OSes. Then there's exFAT which is more geared towards Flash drives as opposed to spinning Hard Drives, but you need to install an extra package in most Linux distros to get it to work.
FAT32 has a 4 GB file limit, which is annoying on large drives. High res or long videos. I often record videos on my capture card that are hours long, and they can be over 4 GB, and I need to transfer them to my Desktop.
It doesn't come up all the time, but it's definetely annoying when it does, and I'd rather not have to deal with it. Nice article and helpful one. Was looking for easier option and i think the first option of formation USB drive to FAT will give easier solution as most of the time i need to transfer data from windows to Mac. Could you please expand on that part exFAT and how to do it?
I am a noob in Macs and I just bought this new hard drive and unable to turn it to write. With your hard drive plugged in, select it on the left column. Then click the Erase tab. Choose ExFAT from the drop down and name it what you want limited to 11 characters. Then click the Erase button.
Top Deals. Email Facebook Whatsapp Pinterest Twitter. This will sign you up to our newsletter Enter your Email. Read our privacy policy. Enjoyed this article? Stay informed by joining our newsletter! Enter your Email. Pravin Ramana. Thank you. Hello Hebah, Thanks for posting the link- I had the same problem, now solved!
My third attempt to post a comment. Chandrashekar Paladugula. Many thanks! You saved my day Can't say appreciation in words. Thank you, again!
Part 1. Mount 'Unmounted' External Hard Drive
Chandra Pal. Thanks a lot. Really appreciate for sharing the link and you saved my day s!! Justin Pot.
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Could you please help? Just tried that out. It works like a charm. Thank you so much! I'm glad it's working again! NTFS-3G worked as mentioned.