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Questions tagged [hard-drive]

A hard drive is a device for permanent or long-term storage in computers.

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1answer
33 views

How do I resolve a non-unique HD Identifier problem?

I use a HD with a caddy adapter for saving some files. macOS attributes a unique identifier for each external drive connected. But I needed to swap my adapter for the same disk, and now it's not ...
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0answers
13 views

After a failed bootcamp installation of Windows 10, I am stuck with multiple partitions

I canceled a bootcamp install of Windows 10 because it was taking AGES to work. Anyhow, I now have a partition on my MacBook I cannot seem to get rid of. If there is nothing on the extra partition (...
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2answers
53 views

Recognize externel hard drive as internal

I need my 2018 Mac mini (Mojave) to recognize the external hard drive as an internal one so I can use Bootcamp and install Windows on it. I tried the answer in "How to let MacBook Pro recognize my ...
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24 views

How to stop my external (USB) hard drive from sleeping/parking when not used

[MacBook Pro mid-2014 retina, Macos Mojave 10.14.1] I have a 3TB WD Elements (5400rpm) usb3 hard drive plugged into my laptop which I use for storing larger files since my laptop only had 500GB. I'...
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28 views

2011 iMac 27": cannot upgrade to latest OSX after replaced failing drive with blank new HDD. Nasty loop [duplicate]

Installed a new hard drive on a iMac 2011 27": old drive would not boot (node errors which FSK cannot fix). This faulty drive was running High Sierra before it stopped booting. Removed the old drive ...
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0answers
64 views

External hard drives are not showing up on the desktop or Disk Utility

I've upgraded to Mojave on my MacBook Pro (Retina, 13-inch, Early 2015). Now, my external hard drives are not showing up on the desktop nor in Disk Utility. I need to access this work and Time ...
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2answers
80 views

My External Hard Drive's format changed to FAT16 without any reason

I have an ADATA HD710 1TB external hard drive which I use mostly in my Mac Mini 2011 and I have created two separate partitions for my drive. One of the partitions has APFS (Apple File System) format ...
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18 views

mount external drive not ejectable

I mounted without any problem an external USB drive and I can see on my Mac. I wonder if there is a way to let system identify it as "internal" drive and not as USB plugged device. It's a low profile ...
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1answer
345 views

How do I delete purgeable space detected by Disk Utility?

I am French so I apologize in advance for any possible language errors. I'm running macOS Mojave (version 10.14.2). Recently, I tried to run Bootcamp because I would like to install Windows. I went ...
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1answer
12 views

Macbook Pro can only startup with external hard drive connected [duplicate]

Here are the facts: 13 inch, mid 2012 It gave me the grey screen with the flashing question mark folder one day, and I got an external hard to install the MAC OS X operating system like the apple ...
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1answer
32 views

External (Thunderbolt 2) drive keeps changing to read-only randomly

I'm running macOS 10.14.2 on a 2018 Mac mini. I have an Akitio enclosure, connected to the Mac via a Thunderbolt 2<->3 adapter. At random, one of the drives in the enclosure becomes read-only (the ...
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0answers
187 views

“Critically low disk space” error when running python script since upgrade to OSX Mojave

I have a problem with a python script that is getting killed due to, what I believe, low available memory but I hope is a bug. Description as follows: I have a python script that loads 12 large (1-1....
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1answer
16 views

Identify hard drive in Time Capsule

I have Time Capsule of the 1st generation (the flat one) wherein I changed the hard drive for one with 3TB capacity. This was 2 years ago. Now, the time having passed, I don't have any information ...
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1answer
43 views

Disk Utility cannot detect a good portion of my storage space

While trying to set up Boot Camp, I received an error shortly after the process finished. Checking Disk Utility on both the software and Terminal, I was left with the space I set for my Boot Camp ...
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1answer
44 views

Testdisk show unusual media descriptor (0xf8!=0xf0) on hard drive

Running TestDisk 7.1, I'm getting a "Unusual media descriptor (0xf8=0xf0)" error on what was a perfectly functional hard drive. Please see the attached photo. How do I diagnose and recover from ...
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1answer
26 views

Rebuilding old HDD

My mac is turning 5 years now, it runs already long on SDD and old HDD is in an optibay. But HDD is a stock one and is turning 5 years as well. It's working ok, but tests with Disk warrior, Tech Tool ...
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0answers
51 views

Mac Pro won't Boot into High Sierra (Prohibited Sign)

I have a Mac Pro 5.1 (2010) with 3 HDDs installed. One is a 1 TB running Snow Leopard. Another one with 2 TB for file storage and a third one I have added recently (WD Gold 4 TB). I have tried to ...
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2answers
37 views

How to recycle some magnetic disk of System on Mac OS?

The system use 94GB disk. how to recycle some magnetic disk? in there I can not click it. my version is 10.14 (18A391).
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1answer
19 views

External hard disk use

I have a question: when attaching my external hard disk to my Mac, there seem to be a little ghost that deletes my files. Can anyone please give me some information on this, please note that I am not ...
0
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1answer
39 views

Encrypt drive with private key?

Is there any way to encrypt my drive with a private key, and no external tools (to be installed), and then unlock via command-line? I'm referring to my second drive and not my boot drive. I’m not ...
0
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1answer
48 views

CRC (Cyclic Redundancy Check) error not appearing in disk utility

Recently, my Mid 2012 13-inch MacBook Pro displayed a blank, gray screen instead of booting up. I suspected there was a problem with the hard drive cable, so I took it in to a (non-Apple) repair shop ...
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1answer
742 views

Silencing “Your disk is almost full” notifications. What works? [duplicate]

I've tried this Silencing "Your disk is almost full" notification That didn't work. I've tried deleting "diskspaced" from the disk using sudo, it didn't allow me to delete it. What's a ...
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1answer
42 views

My WD drive is not showing in finder but I can see it in disk utility with a grey color

I can't see my external Hard Drive in finder but i can see my hard drive in disk utility but in a grey almost transparent color. When I try to run a "first aid" this is what i get as an error: ...
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0answers
20 views

Sharing icloud local storage between users

Context: I prefer to switch the user instead of closing and opening all apps and windows I need for work every day. Therefore I want to set up two users for myself on one machine: one for work and one ...
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2answers
46 views

Macbook Pro early 2007 SSD to the new Macbook Air 2017 install?

I would really appreciate your advice on this matter. I have a macbook pro early 2007. Its old i know and last year i replaced the HDD with a 420GB SSD as the HDD failed. It was a fairly ...
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1answer
38 views

Macbook Pro internal hard drive issues, any way to get this working?

Apologies for myself, I'm a new member and clueless about Macs in general. I have inherited a 2010 Macbook Pro and I've been hoping to use it for some light work. The old password to the computer ...
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1answer
103 views

Unable to merge partitions or reinstall OSX

I have 1 SSD disc in MacBook Pro mid 2009 with 2 partitions and I would like to make a clean installation. So.. using Disc Utility I have erased both partitions (OS X Extended - Journaled). So far so ...
0
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1answer
13 views

Can i browse the files on an external mac as an external HD?

Ive got data on an old iMac G4. My plan was to remove the HD, put the HD in an enclosure and transfer the data from the HD. I looked up the iFixit guide for the process and it seems the HD isn't ...
0
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1answer
32 views

Mac OS Sierra - Can't merge former time machine partition on external hard drive

I have an external hard drive with two partitions. One partition was used to save files and the other was dedicated to Time Machine. Now I have a new hard drive which I use exclusively for Time ...
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0answers
238 views

Why does my MacBook Pro macOS 10.14.1 system storage oscillate so drastically (75 GB to 150 GB)?

As question says, I have an older MacBook Pro (purchased 2013) running macOS 10.14.1. My computer has 500 GB of storage space. My free space lately has been oscillating between 5 GB and 75 GB because ...
2
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1answer
544 views

Can’t mount external drive - Mojave

came up here after a lot of looking around. Even seen a couple of examples of my issue, JT not sure what to do. Have tried a bunch of stuff and still cannot not get drive to mount. Apple says to wait ...
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1answer
146 views

Finder froze when copying large folder

I have a 1TB hard drive which I need to backup the info, so I copied all folders into another drive (4 TB) and after a full day of copying progress the Finder appears this way: So it says "About 5 ...
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1answer
17 views

Recovery partition fills up half of the disk, cannot resize

So I noticed something was wrong with my partitions in Disk Utility as the Mac HD only occupied half of the storage, I booted into UBuntu on a USB and from there I found out that the recovery ...
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1answer
42 views

I tried activated the option to partition a disk, instead all my drive data disappeared in a few seconds

I read online that there was a command line to activate the partition option on Disk Utility: diskutil partitionDisk disk4 1 GPT HFS+ newdisk Which is just supposed to unlock the possibility to ...
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1answer
112 views

Can't mount back up drive on MacBook Pro

I have an ADATA Classic CH94 back up drive I've had since 2012, along with my MacBook Pro. However after a minor Apple update I did through the App Store (I'm currently still on macOS High Sierra) I ...
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2answers
97 views

Merging two disks to one?

I installed MacOS on disk 0. I have one HDD drive which is split into multiple disks. Now I would like to merge disk 0 and disk 1 (same hdd) to one disk. Is it possible and what should I do? For ...
3
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1answer
568 views

How can I merge primary APFS partition with other empty/free space APFS partition?

I am using MacOS Mojave. Below is the diskutil output There is 150 GB of free Space. After executing the resize command, I am seeing Error 69519. How do I merge the free space with disk0s2? ...
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3answers
3k views

Resize APFS partition in Mojave

I'm attempting to resize a partition that's too small for my needs. Here's the output from diskutil list: ~> diskutil list /dev/disk0 (internal): #: TYPE NAME ...
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1answer
50 views

Running an app off an external hard drive

Can I download DaVinci Resolve to an external hard drive and work from/off it? My computer has a limited storage space, so I can not download it straight to my computer. Ideally, i'd like to download ...
1
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1answer
301 views

Mac Internal Drive Uninitialized | Macbook Pro 13 (mid 2010)

Bit of background - the whole problem began with the mac being really slow and unresponsive. I thought it might be a good idea to wipe everything clean, and reinstall a fresh copy of High Sierra. So, ...
2
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0answers
476 views

Mid 2015 retina MacBook Pro: Startup slow after SSD Upgrade

I've recently upgraded my Mid 2015 retina MacBook Pro's original 500 GB SSD to a 2 TB Samsung EVO 970 NVMe M.2 coupled with a recent model Sintech SSD adaptor. I am running macOS High Sierra 10.13.6. ...
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1answer
36 views

Time Machine is backing up itself?

I have a MacBook Pro 13 inch 2017, 2 USB-C ports, MacOS 10.13.6, with about 90 GB content, 120 GB total HD. It gets its first backup onto a pristine, just reformatted, 500 GB external drive, via USB. ...
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4answers
2k views

Can I re-format OS X drive without removing it from my MacBook Pro?

I've got a mid 2012 MacBook Pro (non-retina) with a removable HD (Machine A). I want to perform a clean install of OS X El Capitan 10.11 on the HD, for which I have an install USB stick made. ...
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1answer
54 views

Is it faster to resize a Time Machine partition, or completely wipe it and back up again from scratch?

I have a ~500GB Time Machine partition I'd like to shrink slightly. My internal source partition is around 400GB. Resizing the partition would be extremely slow, since Disk Utility has to check all ...
1
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1answer
615 views

Bootcamp Error: The startup disk cannot be partitioned or restored to a single partition [duplicate]

Earlier today, I tried to install a Boot Camp installation of Windows 10, but there was an error and was removing the partitions it made, but I accidentally closed the window and now I'm stuck with an ...
7
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1answer
430 views

My external boot volume won't startup all my Macs when it should

Because of the mobility of my work I decided to create a boot volume on an external USB-C SSD so that I can run my user environment on a number of Macs (on an iMac Pro (2017) while at work, on a 15" ...
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1answer
63 views

How to move a Time Machine sparsebundle on a networked machine

I have been trying to only use encrypted sparse bundles as my targets for Time Machine. The benefit of doing this is that these are easy to move around, as compared to the traditional Backups....
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1answer
49 views

Boot Camp not able to find Mac image

I am using a 2015 15" MacBook Pro with 512 GB storage. There are a couple of issues that happened very quickly, so I will give you the comlete timeline: I logged into macOS. I noticed that Caps Lock ...
2
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1answer
55 views

“Date created” on hard drive; cloned?

Can I tell whether my hard drive has been cloned? I had a repair done and do not know what they performed on the computer; they may have replaced my hard drive with the same model and cloned my ...
2
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1answer
39 views

Determining unknown filesystems from OSX

Years ago I set up a Linux-based multimedia PC for my parents to store all their music and movies on, as that's the OS I use on my home computers and so if/when things went pear-shaped I'd be able to ...