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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82 views

Modify SATA link speed down (Mac won’t boot)

I have a MacBook Pro (Early 2011, MacBookPro8,2) which I cannot reboot, otherwise I have to reinstall Mavericks every time. Sleep mode works, luckily, but sometimes I need to reboot. In April my HDD ...
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196 views

Do Solid State Drives need Power Management? Do they need sleep?

Is there any positive (or negative) to checking the power management option "Put hard disks to sleep" when I only have a SSD drive installed? Is there any difference if I'm connected to another ...
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38 views

How to use Time Machine to back up a partitioned drive?

My MBP was originally a single SSD partition, which I backed up with Time Machine to an external USB HD. I created a new partition on the SSD for Yosemite, and am running the MBP on 10.10, although ...
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0answers
136 views

Why is cloning my MacBook Pro slower since I upgraded it to SSD?

Last week I replaced the 512GB 7200rpm HDD in my Mid-2010 MacBook Pro with a 512GB SSD (Crucial 550). The performance improvement in most areas is welcome, but one thing is now considerably slower: my ...
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0answers
175 views

OS X breaks if I apply HFS compression to the whole volume. What do I need to exclude?

OS X breaks if I apply HFS compression to the whole volume. (It won't boot.) What do I need to exclude? I've been able to compress large parts of it, but then I had to restore after I compressed ...
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331 views

MacBook Pro mid2010 SSD optibay upgrade - SandForce?

I want to replace Superdrive in my MBP mid 2010 with Otpibay SSD. I have 2nd revision (rev 2/rev B) of mother board replaced due to GPU problems. Which drive should I consider? I would like to omit ...
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14 views

SSD Disk Utility & Install Failure

I've been running a SanDisk 256GB SSD for about a year. A week ago my system locked up and stopped being able to boot from the SSD. Booted from 10.9 USB installer, and went to disk utility, located ...
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38 views

Double Fusion Drive Volume in Startup Menu after DIY Drive Fusion

After replacing the SuperDrive in my MacBook Pro I copied the Recovery HD to a USB stick and booted from it. Then I ran diskutil cs create MacintoshFusionDrive /dev/disk0 /dev/disk1 (SSD, HDD), ...
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49 views

MacBook won't boot from internal SSD

I got a 2011 MacBook Pro and had a Samsung 840 Pro installed running Mountain Lion, then Mavericks for about a year without any problems. Without any apparent reason the MBP just wouldn't boot from ...
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68 views

Reclaiming Disk Space on my Mac

I've got a MacBook air with a 128 gigabyte SSD, and it reminded me again this morning that I'm almost out of storage space. What caches are safe to delete, and what other places are good to reclaim ...
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1k views

Macbook pro stuck on 'About a second remaining' for an hour

I'm trying to upgrade my Macbook pro late 2011's hard disk to an SSD from Corsair. I have inserted the USB stick with the OSX Mavericks installer, and everything went great: I made a GUID single ...
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187 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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30 views

What to do if repairing one disk made the other unrecognized?

Originally I had two drives, an HDD and an SSD (my boot drive). The HDD had a 100gb partition on it that used to have windows installed on it, but that partition got locked and became unusable. When I ...
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0answers
97 views

Sharp reduction in SSD read/write speed one day after installing it

I installed a Samsung 840 Pro 128 GB SSD on my MacBook Pro 2012 13″. I had installed OS X on my external drive and I did a disk copy to my SSD. When I did a speed check using Blackmagic Disk Speed ...
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77 views

Time Machine and an Unmounted Internal Drive

A couple of weeks back I put an SSD in my macbook, keeping the old spinning disk drive around using an expansion bay. Everything went fine, and I got it backing up. However, having the SSD around, I ...
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160 views

Mavericks install with Samsung 830 SSD?

Has anyone had success with installing Mavericks on a late model 2011 MBP with a Samsung 830 SSD? I was about to do it, but a quick google search turned up a number of slowness issues, e.g. ...
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559 views

MacBook Pro will boot only after a SMC reset

I replaced the hard drive in my MacBook Pro (mid-2010) with a SSD one. I installed Mac OS X 10.9. At first the installer wasn't able to find the new SSD drive, because of a error: "SerialATAPI device ...
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320 views

Why is Intel 520 SSD slow in my Mac Pro?

I have a 2010 Mac Pro running OS 10.9 on an Intel 520 SSD. I've noticed read/write times are much slower than Intel claims. Is there anything I can do about this? Intel's claim: Sustained sequential ...
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207 views

Waiting for disks to reappear on SSD new install

I just installed a new Samsung SSD 840 PRO in an Early 2011 Macbook Pro, trying to format drive and it is stuck on: "Waiting for disks to reappear" What should I do now?
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156 views

Why is my MacBook stalling occasionally since being upgraded with an SSD?

I upgraded my 6 year old MacBook Core Duo with a 120GB SanDisk Extreme SSD. The results are pretty incredible considering the age of the computer. The only problem I'm having are intermittent stalls. ...
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80 views

Can't log in as user. SSD drive from broken macbook inserted into a new macbook.

Pre-story: An older 2009 Macbook Pro 13"’s logic board has broken and I’ve got a working 2010 Macbook Pro 13". Old Macbook was upgraded with SSD drive that was used as a system drive and home folder ...
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451 views

Fusion Drive not moving data back to SSD - anyone encounter this?

I'm about to buy a Mac Mini and have got the DIY Fusion Drive parts handy. I'm actually a bit on the fence about the choice of manual SSD+HDD separation with the aid of symlinks and proper Fusion ...
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775 views

Fusion Drive Setup: Possible to force the HDD to spin down as long as your reading from/writing to the SSD?

I'm considering to replace my optical drive in my MacBook Pro with an SSD. When using it as separate Volume, the advantage is that you can spin down the HDD, thus reduce noise and first and foremost, ...
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1k views

Fusion Drive with SSD and HHD Hybrid Drive (e.g. Seagate Momentum XT 750 GB with 8 GB SSD): Good idea or plain nonsense?

I’ve seen numerous instructions on how to setup a Fusion Drive from your own SSD and HD, e.g. Can I make a DIY Fusion Drive? Very silly question: How would a Fusion Drive built from an SSD and a ...
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243 views

Where does a Fusion Drive store Time Machine local backups? Should I disable local backups?

Time Machine in OS X does store local backups (snapshots) on the local harddrive if you have Time Machine enabled. Even if you backup regularly, the size of the local backups increases steadily. In a ...
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268 views

How to keep /Volumes symbolic links from getting auto-deleted?

I moved my /Users directory to a separate disk/partition (to get it off my SSD boot disk) as per this post. However, some things (like double-clicks of .html files to be viewed in a an Opera browser) ...
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33 views

How to FW upgrade and reperform a Samsung 840 Evo Basic 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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21 views

Macbook Pro 17 Early 2008 - Mountain Lion - SSD Slow Performance

I have noticed significant performance degradation on my Samsung EVO running on an Old Macbook Pro, Intel Core 2 duo. Are there any SSD tips that I should apply to this hard drive? Will Trim Enabler ...
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25 views

Experiencing slow read/write speeds with SSD since reinstall

I have a Mac Mini (2013 model) with a Samsung 840 Pro 128GB SSD and the out-of-box 1TB HDD attached, I have noticed the speeds from my SSD are not correct and are VERY slow. (Backstory....I've had ...
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49 views

Restore MacBook partition table its original state

I have a Mid-2013 11-inch MacBook Air with 512 GB SSD. It came with Mountain Lion, but when Mavericks came out, I performed a clean install. Perhaps taking the idea of clean install a bit too far, I ...
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71 views

Install Windows 8.1 and OS X 10.9 on external SSD USB3.0 (iMac Late 2012)

Good morning, Currently I have my iMac running OS X 10.9 on an external USB3.0 SSD drive, and it has been running flawlessly. My question is: - Is it possible to dual-boot Windows 8.1 in the SAME ...
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28 views

Does it matter where an SSD or HDD is installed in a Mid 2012 MBP?

The arguments raised in another question (and answer) about this as to where to install the SSD when running one with an HDD said to demote the ol' spinning platters to the optical bay because the HDD ...
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0answers
32 views

Spinning down hard drives that are not boot drives

If I were to put an ssd in the superdrive of an early 2009 24" iMac and used this as a boot drive while keeping the hdd in it's original place and using as a storage drive, would the storage drive ...
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17 views

Suddenly SSD become unreadable, need to initialise it

I use my SSD with Mac OS on it on several mac (mine is with apple right now). It works well with one mac mini but fails with the macbook air, is shows the following message : (sorry for french...) ...
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48 views

Cannot encrypt external ssd drive

I have a new Thunderbolt SSD drive, which I cannot encrypt. I managed to (a) erase the partition, (b) create a new one: => diskutil partitionDisk /dev/disk3 GPT JHFS+ test 0b Started partitioning ...
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200 views

Drive speeds … PCIe vs external thunderbolt SSD

I have a new 2014 MacBook Pro with 1TB internal PCIe SSD. Blackmagic Disk Speed Test is reporting read/write speeds of over 900MB/s. I am debating whether to swap this machine for a 512GB one (saving ...
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40 views

some file system operations very slow, ssd

(macbook air 2012, noticed before I upgraded to mavericks) on my SSD, newly downloaded files or newly created folders take a very long time to be moved, viewed, or examined. I have 1/5th of the free ...
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80 views

Mavericks errors with user that has symlinks for most of the home folder

Late 2011 Macbook Pro Internal 250gb SSD Internal 1tb HHD My main user has symlinks for most of the home folder, pointing to folders on the HHD (excluding /Applications and /Library). This setup ...
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290 views

How is swap on mid-2013 MacBook Air w/ PCIe SSD?

There appears to be confusing and incomplete information about the PCIe SSDs in mid-2013 MacBook Air 11" and 13" (especially the 128GB models), where a different queue depth may result in different ...
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0answers
217 views

How can I migrate a Win7-64 BOOTCAMP partition from Mavericks system SSD to another drive

I’d like to move the bootcamp partition from the Mac System SSD to another drive, and still have the option of Alt-booting to Windows 7 x64 which is what’s installed on the BOOTCAMP partition now. ...
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0answers
25 views

Mid 2010 MBP 15" - Manually Upgraded MBP, what should be my next steps?

I've been reading up on what to do after manually upgrading my MBP, and answers vary per individual/profession. I replaced Optical Drive with an 120GB SSD, and made SSD into bootdrive, HD into ...
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25 views

Macbook Air 2011 10.7.5 with SSD from OWC boots automatically in safe mode, works fine when I boot with apple SSD

I've had the OWC SSD for a couple of months, worked fine, then all of a sudden it boots automatically in safe mode and is pretty slow. I tried to boot from my original apple SSD which I kept and it ...
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0answers
92 views

Migration issue - duplicate user account

I've got a situation that I don't know how to resolve. I've had a Mac setup and all worked fine. I've bought an SSD drive, installed Mavericks and used the migration assistant to move all the stuff ...
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56 views

Has somebody upgraded an 27" iMac with Gravis Fusion drive?

Gravis offers to upgrade my Mid 2011 iMac (27") with a 250GB Samsung Fusion drive for around €400. They claim I can even keep my original 2TB HDD and my Super Drive. They say, they find space inside ...
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267 views

Boot Camp partition not listed in Windows Setup

I am trying to install Windows 8.1 (I have tried Windows 7). I put my USB stick and I used the Boot Camp assistant. Everything was copied with latest drivers, created Boot Camp partition. After that ...
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606 views

SSD drive does not boot internally 13" Late 2011 MBP

I have a late 2011 macbook pro 13" on which i used a kingston 60gb v300 ssd in my primary slot and in the secondary slot i used the 500gb toshiba hdd the macbook pro came with. i've had the ssd since ...
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0answers
93 views

SSD in mid 2011 mac mini

I was thinking about upgrading my mac mini mid 2011 with an ssd, following i-fixit guide. in the mid 2011 do I have enough space for an SSD + HDD configuration using the mounting kit provided by ...
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44 views

Power Connector for SSD in 2009 Mac Pro

I have a Samsung 840 Pro in my 2009 Mac Pro, and due to the 2009 Mac Pro only being SATA 2 I get about half the read/write speeds. I've been doing some research and I came across a SATA 3 PCI-E card ...
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0answers
82 views

Splitting user and system across multiple volumes

I'm migrating from a large HDD (1.25TB DIY Fusion Drive) to a pair of SSDs (256GB + 1TB). I want the 256GB one to mount as /, and the 1TB one to mount as /Users. In previous versions of OSX, you could ...
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85 views

Fusion Drive: SSD doesn't write or read

I recently bought an SSD in the switch service shop (128 GB) and made my MacBook Pro (15-inch early-2011) a Fusion Drive (my HDD is 500 GB 5400 rpm) and then as expected my MacBook Pro booted up in ...