Solid State Disk, a generic term for computer storage devices that have no moving parts and do not involve a "hard disk". A hard disk, in contrast, is a device incorporating a spinning platter or platters that store information magnetically.

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SMART disabled on new MacBook Pro 13 Retina (ForceTouch)

I just wanted to see some of the SSD parameters on my freshly purchased MacBook Pro retina and found out that SMART support is obviously disabled by default. Is this intended and if so, why? I'm ...
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3answers
2k views

MacBook Pro refuses to boot/recover, hangs at “white screen”

I am somewhat new to caring for Macs, but one has been left in my care and I have not been able to restore it to working order yet. Here are the symptoms: The MacBook Pro would hang with a "white ...
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2answers
10k views

Trying to securely erase hard drive, but Security Options not available (Mavericks)

Recently got a new Macbook Pro 13″ and I'm preparing my old Macbook Air for sale. I'm following steps in the Apple Support article on this topic (as well as other similar articles I've found). I'm ...
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6answers
3k views

Discrepancies in available capacity of Macbook Air SSD

I bought a MBA with an SSD advertised to be 256GB. The actual unformatted capacity, according to the system info tool, is only 251000193024 bytes. This is only 233 Gibi (2^30) bytes, or 251 Giga ...
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1answer
370 views

Configuring SSD over-provisioning on Mac OSX

I'm in early investigation stages of adding a SSD drive to my MacPro. Fragmentation problems can lead to serious performance problems on an SSD. There are a couple answers to this problem: TRIM - ...
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2answers
9k views

MacBook Pro freezes after being woken up from sleep mode with Samsung 850 Pro SSD

My MacBook Pro freezes after it's being woken from sleep mode. I can move the mouse but can't click anything and the password form courser is not blinking too.I recently installed a SSD and did 2 ...
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5answers
5k views

Upgraded my HDD to SDD. Can boot successfully via USB but will not boot when in MBP

I have a late 2011 macbook pro. I decided to upgrade to SSD. Here are the steps I took: Connected SSD via USB Formatted using MAC OS Extended Journaled (using disk utility) Cloned HDD to SSD using ...
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0answers
14 views

Upgrading Mac HD to OWC SSD for a MBP i5 Mid 2012 9,2 . Is Time Machine enough?

The SSD is yet to be delivered but I have already created a bootable USB install of OS X (yosemite) and have done a time machine back up. The question that is haunting me is - Do I need the ...
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1answer
16 views

Replaced OWC Mercury Accelsior E2 that I am using as a start up disk and it keeps disappearing

OWC replaced my Mercury Accelsior E2 because it stopped being recognized on my computer. They said the old one checked out ok even though I did their tests at home before I sent it in. When trying to ...
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1answer
16 views

MacBook Pro (Mid 12, 13“) not booting OS X Yosemite - ”No sign" on boot

My MacBook Pro Mid 2012, 13" currently works with a HDD (on newest OSX). Now I connected a brand new (completely tested) SSD (Transcend SSD370S 256GB) to the HDD Strip inside the macbook. I've made a ...
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1answer
25 views

Hard Drive Change SSD - Macbook Pro

My Macbook was slow, and then i've want to make it faster, it is a Macbook Pro from 2011 or 2012, can't remember it. I bought a Samsung SSD 850 EVO. Firstly what i did, was to take out the old ...
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2answers
4k views

Enabling AHCI for SSD under Win7 BootCamp on Macbook Pro 2011

I've just installed a new Samsung 830 256GB SSD and have configured BootCamp with Lion and Windows 7. Under Lion, I have installed Trim Enabler. Under Windows 7 I have installed the Samsung (Wizard) ...
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3answers
9k views

Flashing folder with question mark appear when reboot macbook pro

I substituted a MacbookPro 13" HDD with a Corsair SSD and upgraded the RAM to 8GB. I did a fresh install of OS X Mavericks but when the machine reboots (restarts), it shows a flashing folder with a ...
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1answer
6k views

Mac boots into log on screen quickly but takes long time to log into account

I just replaced the stock OEM hard drive on my 2010 macbook pro 15 inch with a Samsung 840 Pro SSD 256GB and installed Yosemite on it from scratch with USB (the first time i am using Yosemite). Now ...
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2answers
39 views

Will upgranding my MBP to an internal SSD, improve also speed of reading external non SSD HDrives?

So, I'm thinking of upgrading my MBP (13' late 2011) with an internal SSD drive. I'm wondering if the increase in speed of read and write on the SSD internal drive, will increase peroformance and ...
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2answers
5k views

How to upgrade firmware and reperform a Samsung 840 Evo on a Mac

i got one of these Samsung 840 Evo Basic 500GB on an iMac (used externally in a TB case - standalone, not Fusion). I know there's a firmware update out which is already available for Mac users too ...
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0answers
18 views

Migration Assistant problem

Replacing a failing HD with an SSD in an early 2011 MBP 13". Made a Time Machine backup to an external USB HD with original disk, installed the SSD, installed OS X from the install DVD that came with ...
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3answers
2k views

Cannot format MacBook Air SSD, stuck at waiting for disks to reappear

I have a Macbook Air with 128GB SSD and 4GB RAM with OS X Mavericks. I was using my Mac normally but suddenly Chrome got stuck. So I held down the power button and force-shut down the Mac. When I ...
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1answer
45 views

How much faster is an external SSD than external HDD if internal drive is SSD?

I'm running intensive animation software and am having speed issues. At the moment I'm just working from an internal SSD. How much faster should it run if I put the project files on an external HDD? ...
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0answers
22 views

SSD partitioning fails internally, external OK

I bought a Samsung SSD 850 EVO 250GB for my MacBook Pro 13'' Early 2011, but am unable to install OS X to it. (Yosemite 10.10.3) When installing the SSD internally, OS X doesn't find the drive, and ...
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6answers
19k views

3rd-party SSDs: enabling TRIM without disabling kext signing

Unfortunately Apple has decided to create kext signing in Yosemite that creates issues for SSDs that require Trim support for optimal function and longevity. Whether this is vendor lock in or not, ...
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1answer
5k views

Turn off encryption on filevault2 second HDD

I have an Early 2011 MBP on which I installed an SSD (in the SuperDrive's bay). After that I enabled FileVault2 encryption on both the SSD (which has the ML 1.8.2 install) and on the original HDD ...
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0answers
9 views

Services From One Boot Drive Have Installed Themselves On Clean Install Of Another OS On Different Boot Drive

I have a Mac Mini Server with two internal SSDs. Until today, I had only ever installed an OS, Mt. Lion, on one of those drives and the other had remained largely empty, except for when I needed to ...
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13answers
37k views

Why would I disable swap file in Mac OS X?

I came across a thread about installing an SSD drive in MacBook Pro. Someone in the comments also recommended to disable the swap file but didn't say why: sudo launchctl unload -w ...
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1answer
23 views

Yesterday I had 6.5GB free; today I have 4.3GB; what happened?

I have a 256GB SSD in my 5,5 MacBook Pro running OSX 10.10.1. It's mostly filled up, mostly with music. When I get close enough to "full" I usually delete the less-important stuff to free up a good ...
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0answers
31 views

OS X prompts for password when connecting unencrypted volume and Disk Utility repair does not work

I have an external 250 GB SSD which now, when I connect it (via USB) to the computer, causes the OS (10.10.3) to prompt me with: Enter a password to unlock the disk The problem (well, a problem) ...
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2answers
147 views

MBP Late 2011 freezes under yosemite

**/!\ SO I figured out that's not any app who making these awful freezes.. but I don't know what, I killed all error making apps from the console and now I don't have any error messages in the ...
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1answer
38 views

Can someone explain what 'diskutil cs revert' does?

so I was following some instructions to get my windows bootcamp partition to resize in disk utility, because after upgrading to Yosemite I was unable to resize my partition to give one side more space ...
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1answer
26 views

Sufficient ssd for Mac

This is my first query , and also my first apple product, macbook pro retina. Should I be buying 128 or 256 as I am really tight on budget. I have 2 tb of external but I dont know I could make use ...
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1answer
46 views

Mac Mini 2014 hard drives

Do the Mini 2014 mechanical hard-drive versions have an M.2 ssd slot on their mainboard? EDIT: Let me clarify: the fusion version have a M.2 SSD on the mainboard slot and a 2.5" mechanical drive. ...
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1answer
48 views

Macbook SSD Formatting Problem

I just got my Macbook here, and I got a USB with Yosemite 10.10. I opened up the Macbook, took out the old one, and put the SSD inside. My SSD fits perfectly (Samsung SSD 850 EVO 250GB). Then I ...
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1answer
178 views

Is this S.M.A.R.T. data normal for a 2013 Macbook Air SSD?

I have had a Mid 2013 13" Macbook Air for a couple of years but have barely used it as I am more of a Windows person. However, one of the things that has bothered me a bit since owning it is that the ...
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2answers
18 views

No entry grey screen with spinner with new SSD

My hard drive bit the dust rather spectacularly on my 2011 15" MBP. Luckily, I have a model without torx screws, so I popped it open, put in a 240 GB SSD I had lying around, and did and Internet boot ...
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2answers
1k views

Installing an SSD in a MacBook Pro mid 2010 but OS X is on an external USB HDD

The HDD in my MacBook Pro failed so I followed some online instructions, and as I had a spare external USB HDD I ended up with the latest OS X Mavericks on the external HDD. It was all done by Apple ...
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1answer
13 views

SATA cable problem?

I have a MacBook Pro 8,2 (15 inch, early 2011) running Yosemite (with encryption enabled). I have a strange problem that seems to relate to my boot drive (Samsung 840 Pro SSD). The system runs great ...
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1answer
22 views

Apple Macbook Flash Storage Lifespan [duplicate]

I heard that every SSD have a lifespan, so considering Flash Storage on Macbook devices is actually a SSD that is integrated with the logicboard, does it mean when my MBP flash drive reaches its ...
0
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3answers
82 views

Upgrade or replace early 2008 Mac Pro?

I have an early 2008 Mac Pro that I use for research involving a lot of statistical computing. Some of this requires a decent amount of memory (storing hundreds of thousands of iterations of ...
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1answer
293 views

Disk Utility does not show OK message after Verify Disk

Rebooted and Verified Disk twice. There is no OK message and stops here: Is it a new behaviour under Mavericks, or something wrong? How can I fix it?
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2answers
46 views

Install application on external SSD and load from external SSD to RAM?

I want to install some applications on an external SSD attached via a USB 3.0 interface. As I know from the apple site, I can move my iTunes and photo library to an external drive. (support apple ...
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2answers
1k views

Samsung EVO 480 *and* stock hard drive not recognised by Snow Leopard installer

A friend of mine came to me with her Macbook Pro 8,3 (17 inch, 2011). The hard drive had failed, and booting into the recovery disk didn't show a working hard drive. I went out and bought her a ...
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1answer
1k views

Unusually long boot time in non-verbose mode - early 2008 MBP + SSD + Mavericks

Inside my early 2008 MBP (15", C2D 2.4, 4GB, GF8600M) I installed a used Samsung SSD (128GB), did a clean Mavericks install and at first startup, I restored the Applications, Desktop, Documents etc. ...
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2answers
2k views

Are there any SSD drives not from Apple for which you can enable TRIM without hacking OS X's kernel?

I would like to see if there is a way of getting TRIM support on SSD drives gotten from other manufacturers. As far as I know, Apple does not produce SSD drives so if I get a similar drive not from ...
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0answers
26 views

How to split fusion drive?

I have MacBook Pro late 2012. Instead DVD I made SSD and Fusion Drive by some instructions from web. As you know it's logical drive and looks like one. But now I need second logical partition for ...
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3answers
652 views

MBP with Serial ATA hard drive vs PCIe-based flash storage

I am not sure how much logical my question is but I am planing to purchase MBP for the first time and looking at the options I have in place, I am all confused. I am looking at these 2 options ...
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1answer
26 views

Option/speed Q's about best configs to upgrade early 2008 Mac Pro 8-core to SSD

I'm a first-timer on here. I too have an early 2008 MacPro 8-core 2.8ghz with 16gbRam and stock Radeon 2600 Vcard. It's fairly well configured, but I'm sure that can improve response for a reasonable ...
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1answer
53 views

Stop sign when booting from internal ssd, boot goes fine if the ssd is in external case

sorry for the long post and my english. I have an early 2011 Macbook Pro 13 which I purchased in july 2011 and it worked fine until one week ago. Since when I bought it i replaced the stock hdd with ...
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4answers
5k views

How to store sleepimage on secondary HDD on Mac OS X 10.6?

I have a MBP 2010 with Snow Leopard on it. I put an SSD in the place of DVD Drive and am using an awesome SSD(80GB)+HDD(500GB) combo for speed and efficiency for the right price. All I want to do is ...
0
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2answers
69 views

Why Does A New Mac Pro Only Support a Single Internal Drive?

Every graphic-heavy application I have used has recommended storing files it uses on a separate disk from the boot disk (preferably an SSD), however with the new MP this isn't an option. The only way ...
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4answers
695 views

How to keep an SSD in shape on Yosemite?

As of OS X 10.10, Apple uses kext signing. Ever since it has become difficult and dangerous to manually activate TRIM for third-party SSDs on OS X. That means users with non-Apple SSDs will sooner or ...
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2answers
2k views

FileVault security hole when used on SSDs

I just woke up to the fact that it looks like user data can be leaked when using FileVault and Migration Assistant on an SSD on a new Mac when following the default prompts. When I set up a new Mac, ...