Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [hard-drive]

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

0
votes
0answers
65 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....
0
votes
1answer
11 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 ...
0
votes
1answer
40 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 ...
0
votes
1answer
25 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 ...
0
votes
1answer
25 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 ...
0
votes
0answers
31 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 ...
1
vote
2answers
36 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).
0
votes
1answer
17 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
votes
1answer
35 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
votes
1answer
24 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 ...
0
votes
1answer
249 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 ...
0
votes
1answer
25 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: ...
0
votes
0answers
16 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 ...
1
vote
2answers
42 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 ...
2
votes
1answer
29 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 ...
1
vote
1answer
48 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
votes
1answer
12 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
votes
1answer
23 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 ...
1
vote
0answers
151 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
votes
1answer
216 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 ...
0
votes
1answer
38 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 ...
0
votes
1answer
13 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 ...
3
votes
1answer
39 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 ...
1
vote
1answer
45 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 ...
1
vote
2answers
58 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
votes
1answer
205 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? ...
6
votes
2answers
1k 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 ...
0
votes
1answer
38 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
vote
1answer
114 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
votes
0answers
232 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. ...
0
votes
1answer
33 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. ...
9
votes
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. ...
1
vote
1answer
42 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
vote
1answer
322 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
votes
1answer
389 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" ...
2
votes
1answer
40 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....
1
vote
1answer
44 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
votes
1answer
53 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
votes
1answer
36 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 ...
2
votes
4answers
131 views

'The disk you inserted was not readable by this computer' when connecting external hard drives

I have a Synology NAS that has failed and I won't be replacing it. It had two 4TB Western Digital Red hard drives. I've bought a dual hard drive disk reader on Amazon and inserted both hard drives ...
2
votes
1answer
111 views

How can I track the progress of dd after I've already started it?

I'm migrating my HDD to an external hard drive so that I can do a clean install of OS X Mojave. I'm using dd if=/dev/disk02 of=/dev/disk15s2 to accomplish the task. disk02 is the Macintosh HD (SATA-...
2
votes
2answers
28 views

See/read Mac mini hard drive from MacBook Air?

My Mac mini crashed during an OS upgrade and my display simply looks a bit like my opening screen but is refreshing (jumping around?) rapidly with no way to make any keyboard input. I'd rather not do ...
4
votes
1answer
73 views

Why does my Time Machine external drive unmount overnight after upgrade to Mojave?

I use a LaCie Quadra RAID drive as my Time Machine drive. It's directly connected to the USB socket on my iMac (Retina 5K, 27-inch, Late 2014, macOS 10.14.1). It's been fine for years. It may be a ...
2
votes
1answer
28 views

How to diagnose slow file transfer performance?

I just bought a brand new MacBook Pro and am transferring files from a brand new external SSD hard drive. Performance is much lower than I expected. The picture is showing ~44 MBps, which has been on ...
0
votes
1answer
46 views

How do I format a big disk (4TB) for use in both macOS and a Raspberry Pi?

I need to setup a big hard disk (4TB) so that I'll be able to use it in both macOS and in a Raspberry Pi. Up to now all my attempts failed - at the moment I have formatted it so that it uses GPT, ...
1
vote
1answer
26 views

How can I free up storage on my MacBook Air?

My MacBook Air is out of storage but I can't figure out how to free up storage. I've tried deleting videos and photos but this doesn't change anything. I've also tried deleting videos off iMovie but ...
1
vote
1answer
73 views

If I delete the sound library from GarageBand on my Mac, can I reinstall it later for free?

I have a MacBook Air and it doesn't have very much storage so I want to delete the sound library from garage band (not the whole app, just the sound library). if I do this, will I be able to reinstall ...
2
votes
2answers
64 views

How do I know when my HD is under maintenance?

I work with several large movie files, almost all with 150+ GB. And sometimes I experience a harsh slow down on my iMac's speed which is accompanied by a writing/reading HD noise. So I'm pretty sure ...
0
votes
1answer
39 views

Prevent admin/Jamf Pro from accessing/deleting 2nd partition

The company I work for wants to install Jamf Pro on my "work" Macbook. I want to create a 2nd partition on my Macintosh HD (with its own Mac OS version) for personal use. If Jamf Pro is installed on ...
2
votes
1answer
31 views

Decrypt files recovered from encrypted external hard drive

I am trying to recover the data from one of the external hard drives of my company. I ended up using DiskDrill to extract all the files into a new, non-encrypted hard drive. Unfortunately I made the ...