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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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After deleting files to make space for windows partition, 'System' swells in size

I deleted a bunch of files so that I could free up 64GB of space for a windows bootcamp partition. When I started, the 'System' filesize was around 16GB, and now it's doubled to 36GB. Is there any ...
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2answers
5k views

How to remove the use of master boot record from an external hard drive?

I have a 1TB external hard drive and I want to slice it into different partitions. When I try to do so, I get this error: can not modify external drive because it uses master boot record Is there ...
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1answer
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Timemachine backups to Encrypted APFS partition. Checkbox turn off encryption

I am trying to use a newly created APFS encrypted case sensitive APFS partition with Time Machine backups. If I do not check the box encrypt backups, it prompts for the password to turn off encryption....
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1answer
26 views

MacBook Pro Internal Hard Drive dead?

Not too long ago, I tried to update my MacBook Pro to the newest OS (Mojave). I downloaded the updater etc. and started updating my software. I didn't mind, so I just let it update for itself. I came ...
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0answers
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TimeMachine setup backup to internal harddrive

I want to setup TimeMachine backup to my internal hard-drive on MacBookPro with Mojave 10.14.3 (I know it is not safe in case the hard-drive fails!) So I added a new encrypted AFPS volume. But in ...
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1answer
32 views

iMac 2009 too bad

I have an early 2009 iMac. It was too slow, so I reinstalled the OS. After the installation it appeared to work fine. However it has a strange behaviour. If I try to open Safari it loads instantly, ...
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2answers
61 views

How can I recover a Mac-formatted external hard drive?

My girlfriend has an external hard drive with a bunch of photos on it from her Mac. She needed to transfer the files to her PC but we soon discovered that Macs and PCs use different formatting ...
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1answer
23 views

MacBook Pro won't boot from USB installer or go into recovery. Tried everything

Hi I have a MacBook Pro (15-inch, Mid 2012) that won't boot using any method. Around 6 months ago, the mac started making loud scratching sounds, but they stopped after a day or so. However, a few ...
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1answer
17 views

MacBookPro 2015 not booting from a copy of the disk of my old MacBookPro mid 2012

I have a MacBookPro 13'' mid 2012, 2.9 GHz, which I have given to my partner, as I bought a second-hand MacBook Pro 2015 (beginning of 2015, 3.1 Ghz Intel core i7) Before giving the MBP mid 2012 to ...
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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. ...
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0answers
30 views

Issues cloning OS X drive to a smaller one [closed]

I am trying to move my OS X install to a smaller disk because I plan to move to another OS, but this is taking much longer than planned so I hope someone can help me here. The SSD that now holds OS X ...
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0answers
9 views

External hard drive APFS marked as read only, after repair does not mount at boot time

I have an external 2TB hard drive formatted with APFS connected to my 2017 iMac 27" running Mojave/10.14. Until yesterday, this external disk would be mounted during boot time and everything worked ...
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6answers
91k views

How do I get detailed SMART disk information on OS X (Mavericks or later)

I'm trying to get a detailed SMART status report on the drives in my Mac. I'm not talking about "Verified," I'm talking about the detailed report that's about 100 lines long listing all the vital ...
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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 ...
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1answer
14 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
14 views

Unable to partition internal Toshiba drive for OS X re-installation,

Trying to resurrect an older MBP and I'm at my wit's end on how to go about it. Hoping you all might be able to shed a helpful light on things. The MBP in question is circa 2012 and immediately boots ...
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1answer
15 views

External hard drives keep failing

A couple years ago, I learned my lesson. I had bought a WD My Book Thunderbolt external RAID. I didn't have a backup plan of course; it failed within a year, and I lost everything—this was about a ...
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1answer
24 views

Can't write to Seagate external hard drive on other macbook pros

I have a "new" 2gb Seagate external hdd. I used it to copy files off of my old Macbook pro, circa 2014, which worked fine. I just plugged in the drive into my new Macbook pro, circa 2018. I can ...
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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 ...
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3answers
118k views

What are next steps when fsck reports “could not be repaired after 3 attempts”?

My Mac Book Pro 13.-" doesn´t get past the grey booting screen with the apple and the spinning wheel (The loading bar appears but when it´s done nothing happens) I have 220 GB in one single ...
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0answers
27 views

macOS Mojave will not let me purge “purgeablefile” [duplicate]

I have a 1 TB drive. From Disk Utility, it shows 927.6 used, and 66.93 free, with a purgeable space of 424.15 GB I have followed several different documents floating around the Internet to turn off ...
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0answers
19 views

Is it possible to copy the remaining files of a (possibly corrupted) hard drive to an external hard drive?

Let me explain. After trying to update my Mac Sierra (it was a 2013 Macbook Air model) to Mac High Sierra, the update failed ("MacOS could not be installed on your computer"), and I was unable to ...
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1answer
2k views

Deleting a 'No such file or directory' file

I recently swapped out the CD drive on my Macbook Pro late 2011 for a hard drive. On that hard drive there were some files that I wanted to delete, as per usual I moved them to the Trash. Now that ...
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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 ...
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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 ...
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2answers
68 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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0answers
15 views

Manual Windows 10 installation on Macbook Pro mid 2014 using unetbootin

Just some some context before i ask my actual question. I know my mac is older so I have been using a USB to use bootcamp. I have tried installing Windows 10 using the Bootcamp assistant multiple ...
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1answer
86 views

Time Machine wants 4.50 PB to backup 266.14GB

I'm currently unable to backup via Time Machine, as backups fail with the following error message: "Time Machine couldn't complete the backup to "Time Machine"". "The backup disk needs 4.50 PB for ...
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1answer
24 views

did the following steps now disk is not recognized!

So I did this for a flashdrive and it worked perfectly then I tried it for an external harddrive and it will not work. After entering: sudo mount -w -t msdos /dev/disk3s1 /Volumes/MIXTAPE I get this ...
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1answer
74 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 ...
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1answer
25 views

Adobe applications - Case-sensitive volumes not supported Mojave

I am trying to install the adobe creative cloud apps. when the setup launched it shows this error : Case-sensitive drives not supported I created a partition with the format APFS but nothing. ...
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0answers
14 views

cloning external 1TB HDD to internal 500GB SSD

2015 iMac, non-retina, OS 10.13, to remedy bad data transfer, SSD can be totally erased external HDD OS 10.14, 200GB total used, this disk was "professionally" replaced yesterday with the SSD but ...
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1answer
71 views

Whole drive gets wiped when attempting to re-format as NTFS for Windows

I am attempting to install windows 10 using Boot Camp on my 2014 13" MacBook Air with 256 GB of hard drive. Everything goes well untill I reach the Windows install screen. I select my language, ...
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0answers
39 views

Create a partition that both Windows and macOS Sierra can access via Disk Utility

After I installed macOS Sierra I decided I wanted to also have Windows for gaming. I installed Windows 8.1 via Boot Camp Assistant and gave it about 110 GB of space. After some time I realized that ...
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1answer
16 views

Failure To Boot/Verify Disk

My (mid 2011) MacBook Air’s been working perfectly fine, but today decided to 1) crash 2) throw me the “startup disk not found” error. I know it’s an old computer, but still I run disk verification ...
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1answer
44 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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0answers
11 views

Backup my hard drive data from dead macbook pro (early 2013)

When I tried to upgrade my macbook pro (early 2013 model) to macOS Mojave, it restarted within 5 mins of starting the installation and after that display was not working. I had to replace the logic ...
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0answers
11 views

Macbook Harddrive showing up as FDisk_partition_scheme

I was using my computer normally when the computer stopped working all together. I turned it off and when I turned it back on I got a blank screen with a flashing folder with a question mark. I opened ...
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0answers
10 views

MacBook Air HDD storage being blocked in spite of Store in iCloud sync [duplicate]

My Macbook Air HDD storage is being blocked even though most of my documents are sycned to iCloud using Store in iCloud. When I go to Apple > About this Mac > Storage, I can see that 26GB of my ...
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0answers
21 views

I want to reclaim the deleted partitions storage space so i can have my whole 500 GB in one partition

I installed high sierra on a separate partition and it was installed as an APFS partition. Yesterday I went into recovery mode and straight up deleted the 100gb high sierra partition . Now on booting ...
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1answer
24 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
49 views

Invalid number of allocation blocks in Disk Utility Repair

First of all I hope @klanomath is still active over here as I'm having a similar issue as described in following thread: Partition on HFS+ external drive: "Invalid number of allocation blocks&...
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1answer
6k views

Failed to verify InstallESD.dmg: hdiutil verify failed (Trying to reinstall Mac OS X Lion)

Alright about a week and a half ago my Macbook Pro started acting up. All of my applications were crashing randomly and what not so I decided to just try and reinstall El Capitan onto it. I tried and ...
3
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1answer
3k views

Partition on HFS+ external drive: “Invalid number of allocation blocks”, file system check exit code 8. Unable to repair, even in recovery mode

As the title says, I'm getting the error "Invalid number of allocation blocks" on a particular HFS+ partition of an external drive. I am unable to repair, even in recovery mode. Log results when I ...
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1answer
12 views

How to get back storage capacity from BOOTCAMP_VOL in Mojave without formatting?

I have a hybrid drive version of iMac, and from the start I have bootcamp installed in my iMac but barely ever used it. The OS has upgraded many times and not it is on Mojave. I realized a while ago ...
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1answer
28 views

Empty Drive from update?

Had a user come back from summer break and boot his iMac. Jamf shows that it last checked-in early June. It boots to the recovery partition and Disk Utility shows the drive as empty. It may have had a ...
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2answers
29 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 ...
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4answers
3k views

CoreStorage logic volume failed to mount

I have an encrypted hfs+ external SSD. When I plug it into my mac and, it prompts for my password, but after I enter it nothing happens. I tried this in terminal:
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1answer
192 views

iMac I/O very slow - hardware issue? How can I diagnose fault?

I have a 3 year old iMac (21.5-inch, Late 2013) running OS X 10.13.5 with 8 GB RAM and 1TB HDD. It's been running very slow (takes minutes to open an Application, about 30 seconds to open a folder, ...
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1answer
28 views

why wont my macbook pro mount my disc

I have been using my macbook pro since 2013. Around early 2017 I got a 275gb crucial ssd and installed it. It was working fine until about a month ago my macbook would no longer turn on. Took it to ...