Questions tagged [hard-drive]

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

Filter by
Sorted by
Tagged with
0 votes
0 answers
19 views

Cannot re-allocate free space to main disk

I have a Boot Camp partition that I wanted to make smaller, so I would have more space on my main macOS container. I followed this tutorial, but I'm struggling with the last step. I successfully used ...
1 vote
0 answers
39 views

Two (2) macOS Base Systems?

I found this: Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk1s5 233Gi 10Gi 111Gi 9% 488255 2447613065 0% / devfs 342Ki 342Ki 0Bi ...
0 votes
2 answers
522 views

Can’t restore Time Machine back up - an error occurred while adding recovery system to destination disk

Just upgraded my 2012(mid) non-retina 13” MacBook Pro with a crucial sad 1tb and having troubles restoring back up from Time machine. I’m sure it’s important to mention I installed a new data cable ...
0 votes
0 answers
16 views

2017 Intel 4K iMac, broken FileVault decryption

macOS Monterey on a 2017 4k Intel iMac. A week ago I turned FileVault on by mistake, so after it finished encrypting the drive I went straight to decrypt it. Then I assume that near the end of the ...
0 votes
1 answer
19 views

How to use Disk Utility on external harddrive - Photos Library is stuck at updating

I'm having this problem: (Apple Photo's Library from Mojave to Monterey looks stuck on updating). I came across this (Photos: "Updating Library..." is stuck, library seems bricked) and ...
0 votes
1 answer
26 views

Which HDD controller drivers for win 10 Install on MacBookPro5,5

I am trying to install Windows 10 on a MacbookPro5,5 for a friend, directly from a USB Flash drive. Setup Asks for a driver to properly detect the Hard Drive. What do you do in this case? I extracted ...
0 votes
1 answer
112 views

Disk is no longer encrypted?

I swap between two external drives for Time Machine backups. I swap every few weeks. I just swapped back to a disk that used to be encrypted but it isn't anymore. The backups are working but I no ...
1 vote
1 answer
131 views

Big Sur: Booting Win10 from SSD and Disable Internal Drive

Computer: MBP 15 Late 2013. I have a BIOS booting Windows 10 installed on an external SSD. Windows occupies two partition on this SSD. The first is the System partition and the second is a combined ...
1 vote
1 answer
67 views

Finder corrupt files on copy to external ssd

Problem: sometimes finder corrupts my files when copying to external ssd. Reproduction methodology: copy via finder file to external ssd, then check this file md5 -q ~/Downloads/path/to/source md5 -q /...
3 votes
1 answer
96 views

In a copy operation why does macOS Big Sur send a lot of packets to the hard drive it is copying from?

Copying a large file from an external hard drive to a Mac, shows a lot of packets first going to the hard drive. Then there is a period of no disk activity. Then what I expected happens, packets ...
3 votes
2 answers
35 views

External Thunderbolt SSDs not showing space after deleting files

I have two external Samsung X5 2TB Thunderbolt 3 SSDs. Both of them work fine after I reformat them. But when I delete files (and empty the recycle bin), the space on them does not increase. In ...
0 votes
1 answer
51 views

I cannot install Windows 10 on my Bootcamp partition

I have used Bootcamp assistant to partition my Mac mini. Then I boot up using my Windows USB drive with EFI boot. I can get to the part where I can see "Drive 1 partition3: Bootcamp" ...
0 votes
1 answer
357 views

WD Blue SSD stuck in a boot loop

Stuck in a bootloop with ssd So I recently pruchased a WD Blue 500GB SSD to replace my HDD in my 13" MBP mid-2012. At first I wanted to clone my HDD to the SSD, looked up a tutorial on ifixit and ...
1 vote
1 answer
456 views

How can I install macOS on the second hard drive inside a computer?

I just bought a 2011 Mac mini which has two hard drives inside. One of the hard drives had a Mac Recovery I was able to transfer my data to with Time Machine, the other one is called "Windows&...
1 vote
1 answer
93 views

Removing free partition on Macbook Macintosh HD

Let me tell you the story to understand the problem. I installed Ubuntu 20.04 on my mac as the second OS. Later I decided to delete it, and being not good in all this stuff, I decided to just remove ...
0 votes
0 answers
28 views

Macbook Pro Can't Boot From macOS Monterey of External SSD

I have recently decide to install dual OS (macOS and Windows 10) on this newly bought SSD to run both Mac and Windows on my Macbook Pro 2017. What I did was, Disk Partition on Windows. Got three ...
0 votes
1 answer
63 views

New iMac freezing every click

I bought this iMac 6 months ago, model late2019, with 64gb RAM and fusion HD 3TB I ran all the utility tool and I get a lot of MT mapping warnings when i run the First Aid, but they don't seem to be ...
0 votes
1 answer
119 views

Macbook Pro no longer recognized WD external drive after disconnect without ejecting

I've got a Mid 2015 MacBook Pro running Monterey. A WD 1TB My Passport quit being recognized by the system after several times of inadvertently being unplugged without ejecting. It's got a micro usb ...
5 votes
4 answers
30k views

Wiped drive, now can’t reinstall El Capitan from Recovery because the "item is temporarily unavailable"

I wanted to clear room on my computer, so I restarted the computer with cmd+r keys and opened OS X Utilities. I erased my drive and wanted to reinstall OS X El Capitan. After I agreed to the terms ...
1 vote
1 answer
36 views

High Sierra Time Machine back up disk unusable

I recently switched out my old Seagate Barracuda HDD for a OWC SSD 3G in my late 2009 iMac 27", fantastic results. But when restoring from a Time Machine back up made just minutes prior opening ...
1 vote
3 answers
664 views

How can I rename Device ID from disk1s5 to disk1s1

My brand new MacBook Pro 16" had "Macintosh HD" at disk1s1 and "Macintosh HD - Data" at disk1s2. I didn't realize the USB-C cable that came with it wasn't Thunderbolt 3 so I ...
1 vote
0 answers
46 views

Manually Decrypt Partially Cloned APFS Volume

I recently attempted to clone a failing external drive to a new external drive. The clone failed part-way into the process. The original drive hardware has now fully failed, so I'm trying to recover ...
0 votes
0 answers
34 views

What to do when mounting APFS from thumbdrive suddenly shows error and Disk Utility First Aid unable to fix

Seems like my APFS on my 512G SanDisk USB has gone corrupt. diskutil list /dev/disk0 (internal): #: TYPE NAME SIZE IDENTIFIER 0: ...
0 votes
0 answers
15 views

3.5" SATA Seagate Barracuda not mounting via USB adapter

I have a late 2009 27" iMac which I upgraded with a OWC SSD kit. Fantastic results, I highly recommend it, feels like a new machine. But I was facing problems restoring from a Time Machine back-...
1 vote
1 answer
321 views

macOS Catalina - Spotlight Search Problem with External Hard Drive Mac OS Extended (Journaled)

I have an external hard drive that I am having trouble with in Catalina. The drive mounts properly but Spotlight will not search it. The drive formatted as Mac OS Extended (Journaled) and is set up to ...
2 votes
2 answers
10k views

Restoring iPhone Backup from External Hard Drive

I had recently organised all the storage on my Mac and was finally able to back up my MAC and my iPhone. In order to create more space, I found an article online which told me how to move the back up ...
0 votes
2 answers
74 views

How to keep external HDDs spinning (prevent spinning down) on macOS?

I’m using M1X MacBook Pro 16 inch (2021) running macOS Monterey 12.3.1 with 4-bay hardware RAID enclosure from QNAP (TR-004) holding four 10TB Toshiba HDDs. The enclosure spins down the HDDs soon ...
0 votes
0 answers
27 views

Cannot access USB Hard Drive ExFAT in macOS Finder, greyed out in Disk Utility - Filesystem scan or repair failed::(-69845)

Today I was working in my USB 6TB WD_BLACK on MacBook Pro 14" M1, everything was working fine, removed it, sometime later I tried to connect the HD again but it won't show, this is the second ...
1 vote
2 answers
46 views

Merge partition on external hard drive

I wanted to format and merge 2 partitions on my external hard drive. I used the command : diskutil erasevolume "Free Space" "" /dev/disks4s4. But now I lost 30go on 2TB and I can'...
1 vote
1 answer
500 views

Hot File Clustering with multiple partitions

I'm planning a performance-oriented clean install of OS X 10.6 and I was wondering if the hot file clustering feature will exists only on the boot partition or if there will be one for each partition (...
24 votes
5 answers
60k views

Mac OS Sierra - Disk Utility will not let me partition an external hard drive

Within disk utility, the partition icon is grayed out. If I mouse over it, it reads: "Disks with Master Boot Record Partition Maps cannot be partitioned". The history on this drive: It is a 2 TB ...
0 votes
2 answers
31 views

What is the process to replace a hard drive in a Mac Mini?

I have a 2011 Mac Mini whose hard drive I would like to upgrade, because it's a bit small, old and slow. I got a 2TB SSD drive and would love to clone my current HD that has my OS on it and everything ...
56 votes
7 answers
11k views

Do Macs need to be defragmented?

I don't see any application to defragment my Mac (running OS X). Is defragmenting not necessary for Mac OS X? If so, why not?
6 votes
5 answers
1k views

Mac Application to defrag my Mac drive

I work on media files as per my profession. I find my Mac (Mac Lion) going slower day by day. I think it will be beneficial to defrag the drive but didn't find any Apple tool for it. I want a an ...
0 votes
0 answers
29 views

Accessing macOS 10.13.6 High Sierra Time Machine backup drive on macOS 12.3.1 Monterey

I have a Time Machine backup from an older 2010 iMac running macOS 10.13.6 that I would like to access from my new Mac that's running macOS 12.3.1. When I connect the drive to my new Mac, the drive ...
0 votes
1 answer
22 views

WD Hard Disk not Mounting/First Aid not Running

My hard disk has decided to not mount anymore. It has a partition, one I use for Time Machine and the other I use for storing files. This is what diskutil list looks like. Is my work all gone? ...
1 vote
1 answer
117 views

Disk Is Full Error When Copying Large Folders Onto Empty HDD

Bought myself a brand new Seagate HDD (formatted in exFAT). I tried copying over a bunch of folders to back up (160 GB worth) and I am met with the below error message. This is strange, because there ...
163 votes
6 answers
601k views

Is it safe to delete ~/Library/Caches?

Is it safe to delete the file Caches, in the Library of the Mac OS X Hard Drive? It's a pretty big file, 3.56 GB, Caches reminds me of logs i don't need or browser cookies. Is it safe to delete the ...
0 votes
1 answer
21 views

Recover HFS volume, missing partition UUID

I am attempting to follow the answer post at https://apple.stackexchange.com/a/231027. However, the third partition does not have a listed UUID. Instead, I have the following. start ...
2 votes
1 answer
520 views

10.13 to Big Sur - HDD APFS System volume and HFS+ User Space

I want to install either 10.15 or Big Sur on a small APFS partiton on an internal 1 TB HDD in a Mac Mini. I've clean installed OSX and many other OSses before and am quite comfortable installing OSes. ...
0 votes
0 answers
24 views

Fixing mac bootcamp boot to windows after formating a disk

I have an old iMac (21.5-inch, Mid 2011) and I wanted to give it a new life with a new SSD. I've installed both Mac & Windows on the SSD and life was good. Then I decided to format the old HDD to ...
0 votes
1 answer
44 views

How can I backup just user data to an external drive that anyone can read?

I'm trying to back up a mac for a friend who move and left her 2020 iMac 27 (intel) with me. She is having me send her the data from it and then sell the mac. The 1TB SSD iMac hard drive is in APFS ...
3 votes
2 answers
1k views

Unable to boot into Mac OSX after updating dual-boot Ubuntu, Partition Type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF

On my Mac OSX Mojave machine.. I installed Ubuntu 18.04 to attempt to dual boot on the internal Apple SSD. Worked for a while, but after some updates to Ubuntu... hitting the power button boots up to ...
1 vote
1 answer
84 views

Bootcamp - Windows 10 - No bootable device -- insert boot disk and press any key

I have got a problem with booting into Windows 10 after changing Superdrive to SSD - "No bootable device -- insert boot disk and press any key". It works if i leave only old hard drive, ...
0 votes
0 answers
12 views

Can I test multiple disk simultaneously? (In disk Utility or a third party program)

For example, if I have multiple USB drives, an SD Card, an internal SSD, and multiple external SSDs and HDDs connected to a mac, I would like to save time and run First Aid/Repair/Erase/etc. on ...
2 votes
2 answers
4k views

28 pin SSD adapter or enclosure needed for Late 2014 MBP

I've been trying to find an adapter for a Late 2014 MBP Retina SSD. Standard msata didn't fit, and from a few consumer reviews of other enclosures and adpaters, it seems to be uncertain if one exists. ...
1 vote
1 answer
39 views

Issue reinstalling macOS Mojave after failed Ubuntu installation

I have a MacBook Pro 15 on which I tried to install Ubuntu 20.04 as my host OS. However, the installation has failed. Whilst waiting for the Linux forums to help me out with the installation, I am ...
1 vote
3 answers
7k views

Error: -69888: Couldn't unmount disk

I'm on a Mac OS Catalina trying to wipe a drive via command line. ⚡️ Desktop diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE ...
2 votes
1 answer
44 views

How to delete redundant disks on disk utility

I reinstalled my OS a couple of times and ended up with many redundant disks as you can see in the picture: I want to get rid of them. Of course, I tried the following diskutil commands: eraseDisk : ...
0 votes
0 answers
23 views

Prevent reboot on mount

After dismissing the notifications for months I finally let macOS upgrade from Mojave to something more recent, I think Catalina. The process failed, and I get a black screen at startup. After trying ...

1
2 3 4 5
69