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Questions tagged [filevault]

FileVault is a macOS feature allowing full-disk encryption using XTS-AES-128 with a 256-bit key. Older implementations encrypted the user folder only.

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6
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4answers
4k views

For a FileVault user of Mountain Lion: can I avoid the automated login, which normally follows unlock of the encrypted startup volume?

I have FileVault enabled with two users: AdminGuy OtherGuy. I want AdminGuy to: have the ability to unlock the HD, and therefore only he can enter a u/n + p/w at boot to start boot up have the ...
5
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2answers
22k views

FileVault 2 encrypted drive not accepting unlock password in recovery mode

My Mid-2012 Mac Book Air running an up-to-date install of Mountain Lion crashed the other evening (browsing the web, one tab started beach-balling, and refused to be force-quit so I forced a restart). ...
4
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2answers
899 views

Is there any way to disable auto-shutdown from login screen when no user is logged in?

A couple months ago when speaking to an Apple advisor about an unrelated issue, they told me the auto-shutdown was a "security feature". I think I may remember something about it only happening when ...
3
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1answer
2k views

Can I have both a case-insensitive system volume and a case-sensitive volume within an encrypted CoreStorage volume?

( seems possibly related to Is it possible to have multiple filevault2-activated partitions on one disk? ) I have a MBP with a single internal SSD and I'd like: to have everything on the disk ...
2
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3answers
10k views

What does “[Update Needed]” mean when attempting to boot from an encrypted backup?

When I attempt to boot from an external drive that is an encrypted SuperDuper! mirror of my internal hard drive, I get a login screen that's missing my account an instead has an account called "[...
2
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1answer
789 views

macOS File Vault 2 full disk encryption does not seem to work

I got a used MacBook Air 11 (2014) and the first thing I did was wiping the whole drive and re-adding partitions. I picked OS X extended journaled encrypted which should be the same as File Vault 2 ...
2
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5answers
32k views

How do I fix my SSD after installing Yosemite and Enabling TRIM? No boot & can't erase

I recently upgraded to Yosemite, enabled FileVault and foolishly enabled TRIM (had no idea it wasn't supported). Upon restart, my machine gets the grey screen with the crossed-out circle of death. ...
6
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3answers
2k views

After disabling Filevault 1, is it possible to enable it again in Lion?

It seems that after disabling Filevault 1 in OS X Lion, there no longer is an option to choose between Filevault 1 and Filevault 2 functionality. I actually prefer Filevault 1 over Filevault 2, since ...
6
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4answers
5k views

Grey login screen after enabling encryption

After turning on encryption with FileVault on my MacBook Air with Mountain Lion my login screen went gray. Is there a way to go back to the default one? The grey one The default one
5
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1answer
1k views

FileVault & multiple admin users' privacy

Using FileVault 2, when connecting a disk in target mode, the disk is locked and can only be unlocked by users authorised to do so. However, once it is unlocked, all contents are accessible to the ...
3
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2answers
724 views

Cross Platform GUI-compatible Encryption

I am looking for an encryption tool that is completely cross platform - effectively like FileVault or BitLocker but compatible with both operating systems. My use case is that I'd like to encrypt a ...
3
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3answers
793 views

Is disk image encryption slower than partition encryption?

I am considering two options to encrypt some data: add a new encrypted partition add an encrypted disk image Which option is faster in terms of disk read/write speed? I suspect that an encrypted ...
2
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1answer
9k views

Why is the “Encrypted” format not available in the list when erasing a USB flash chip in Disk Utility?

It shows up for normal, external hard disk drives. Is there a way I can force it to encrypt? The installed OS X is El Capitan.
2
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1answer
4k views

How do I completely and securely wipe a FileVault (SSD) drive?

When I follow Apple's instructions for preforming a complete erase and reinstall on a FileVault 2 encrypted SSD machine, and choose a high level of security for the erase, I get an error, and the ...
2
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0answers
2k views

FileVault 2 gives “boot file not written” error

I'm trying to enable FileVault 2 in Mountain Lion, but a few steps into the process of turning on the encryption I get the error "Boot file not written" and the encryption fails to succeed. Anyone ...
1
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1answer
1k views

Mac OS X 10.10.5 - How can I encrypt only my home folder without Apple FileVault

How may I encrypt my home folder without using Apple FileVault? Is it possible to create an image of the user folder with DiskImage and mount that as home folder? How to make this. PS: I can't use ...
0
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1answer
259 views

Lost hard drive space to Boot Camp

Boot Camp caused ~200 GB of my 750 GB HD to disappear and I cannot re(un)-partition it through Disk Utility and when I try to reformat the storage through the terminal using: diskutil cs resizeVolume ...
12
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1answer
10k views

Can FileVault show the login window as 'name and password', not 'list of users'?

Normally, Mac OS X lets you choose to show the login screen as a list of users (you click to enter the password), or two text fields (you enter the username and password): But, I use FileVault 2. So, ...
4
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1answer
2k views

SSD boot drive does not work only on primary drive slot

I have the following very strange problem with my 13″ early-2011 MacBook Pro. The disk configuration is as follows: Primary slot - FileVault 2 encrypted 120GB OCZ Vertex 3 SSD Secondary slot - the ...
2
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1answer
1k views

Encrypt FAT USB drive under El Capitan (10.11)

I have a USB drive I would like to encrypt. It's formatted in FAT (for use with Mac & Win) and I can't seem to find a way to encrypt it as: FileVault doesn't encrypt FAT. TrueCrypt can be ...
2
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2answers
1k views

Is the performance of Lion + SSD + Filevault2 good enough for a system primarily used for application developemnt?

I'm looking to buy a MacBook Pro w/ SSD. I was wondering if anyone out there has noticed any significant performance drop with FileVault2 enabled for the following tasks: Small (under 2 GB) ...
2
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1answer
3k views

How to stop file vault decrypting and re enable encryption?

SHORT QUESTION : Ive got a macbook pro, late 2012, osx 10.10.5, with file vault enabled. Now when i go to System Preferences > File Vault i get the following decryption screen (see below ...
2
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1answer
168 views

Why is my external disk being backed up again by Time Machine?

My 200 GB music library resides on a SD card that is permanently inserted into my MacBook Pro. The volume is encrypted using Filevault. Time Machine will include that volume when doing backups onto an ...
2
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2answers
40 views

Why there is no cancelling mechanism for filevault?

Is there a technical reason? Once it is started you have to wait for days and it is extremely annoying.
2
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1answer
317 views

FileVault sparsefile uses double of actual allocated disk space

I just noticed that for some reason disk usage (du) reports that FileVault in my home directory would use its allocated disk space twice: [/Users]% sudo du -h -d 1 . 184G ./.moo 170G ./moo 204K ...
1
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1answer
286 views

Update screwing with encrypted disk or keep using windows boot?

On my 2011 macbook air i have high sierra installed. It attempted and at some point completed an update security update 2010-001 to version 10.13.6 (not sure if i had automatic updates on or not). ...
1
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2answers
901 views

Does FileVault encrypt the disk instantly?

I have recently found that FileVault is disabled on my machine. Although I remember that I set "encrypt" option when I was setting the machine up. I opened System Preferences and enabled FileVault. ...
1
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1answer
234 views

MacBook Pro (late 2013) w/ Yosemite & FileVault won't boot: LCD light only, no other activity

After lid-sleeping my machine with ~10% battery left, a few hours later, attached to AC power, it would not wake from lid-open, keypress, or short power-button-press. After doing a long-power-button-...
1
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1answer
3k views

Logging onto Yosemite with FileVault enabled with no username displayed?

When I log onto my Mac with FileVault enabled, I am prompted for the user/pass prior to the OS loading, as my boot drive is encrypted. The problem I have is that, counter-intuitively, it always shows ...
1
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1answer
2k views

Upgrade to High Sierra fails leaving the Macintosh HD unbootable

I just tried to upgrade my Macbook Pro 2016 from Sierra to High Sierra, and the system hung in the upgrade process (screen was black, but keyboard backlight was still on). After I rebooted the system,...
0
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1answer
131 views

Copy complete partition mapping

How do I copy the whole partition map for a drive 'cloned' with DD? Same size hard drive for input and output of DD. Device block size was 4096 Bytes on input disk, 512 Bytes on output disk. Filevault ...
0
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1answer
16k views

Is there a way to recover a disk when FileVault is used?

I'm trying to restore a crashed hard drive. Using Softtote Data Recovery for Mac, I have recovered 8000+ files. I can't use any of them. Brainstorming with the user, he forgot that he has FileVault ...
0
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2answers
8k views

What happens if I use unencrypted time machine backup from a mac that has FileVault turned on?

I just got a mac and it asked me if i want to use FileVault to have an encrypted disk. I choose yes so that is setup now. I now just bought an external hard drive and I plugged it in for the first ...
0
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2answers
277 views

SSD Boot drive and encrypted HD

Have an SSD installed in my MBP's optical bay. All works well other than being unable to directly log on to my main home folder, which I think is due to the fact they this folder (still on the HDD) is ...
-1
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1answer
440 views

FileVault Doesnt Ask For Password At Startup

I have been previously using Mountain Lion and just got a new Mac with Yosemite. On Mountain Lion, when I turned my system on, I was presented a grey password screen to decrypt my hard drive. With ...
-1
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1answer
3k views

My system seems stuck on Optimize hard drive in FileVault

Just upgraded to Yosemite. Going through the process it asked about file vault. I said yes to encrypt it, so it started to optimize hard drive it seems to be stuck on 2 hours left....probably been 3 ...