Samsung 840 EVO running slow in macbook 2012, how to fix?

I recently replaced 750GB HDD by 250G SSD (Samsung 840Evo) in Macbook 2012, i7 2.9GHz (Mountain Lion OS X). I have done SSD upgrade in Macbook 2008, C2D 2.4GHz (Snow Leopard OS X) with Crucial M4 successfully. Macbook (Mountain ) Evo upgrade did not boost performance. Rather, the macbook occasionally freeze, and is overall performing slower than old Macbook (Snow Leopard) Crucial M4. Old Macbook has slower CPU, 4GB memory, SATAII connection and slower bus. Newer Macbook has faster CPU, 8GB memory, SATAIII connection and faster bus. I am surprised, (in fact disappointed) by this upgrade.


I tested the SSD in a windows machine to test if it is defective. The SSD performed extremely well in Windows machine. But I am having slower performance in macbook. Something is not right in this upgrade.


Please share if you are having similar problem, or if you have found a fix for this problem.

MacBook Pro, OS X Mountain Lion (10.8.4), SSD upgrade issue

Posted on Sep 15, 2013 6:51 PM

Reply
37 replies

Feb 23, 2014 6:56 AM in response to Maik1

Well, that's a relief!


As to your five minute boot time - do you have a lot of third-party items launching at boot? Do you reopen all applications on boot? I would suspect third-party system modifications first - but then I have a lot AND I reopen at least a dozen applications when booting and my boot time is less than a minute. Download, unzip and run EtreCheck and see exactly what you have launching on start-up. There may be just one in the bunch that's causing the problem or even conflicting.


Glas your drive speed is in the 500's and not the 50's!


Clinton

Feb 23, 2014 8:58 AM in response to clintonfrombirmingham

On a shutdown I select that no programm should be opened again. So that should not be the problem.


Ok, i ran EtreCheck and have some questions:


Are this to many programms on a startup?

Especialy the Paragon NTFS causes a problem, i uninstall it and test if it get better.


Problem System Launch Agents:

[System] com.paragon.NTFS.notify.plist 3rd-Party support link


Launch Daemons:

[System] com.adobe.SwitchBoard.plist 3rd-Party support link

[System] com.barebones.authd.plist 3rd-Party support link

[System] com.charlessoft.pacifist.helper.plist 3rd-Party support link

[System] com.dustinrue.Tedium.plist 3rd-Party support link

[System] com.fxfactory.FxFactory.helper.plist 3rd-Party support link

[System] com.metakine.handsoff.daemon.plist 3rd-Party support link

[System] com.microsoft.office.licensing.helper.plist 3rd-Party support link

[System] com.oracle.java.Helper-Tool.plist 3rd-Party support link

[System] com.oracle.java.JavaUpdateHelper.plist 3rd-Party support link

[System] com.teamviewer.teamviewer_service.plist 3rd-Party support link

[System] de.meilenstein.MSTFirstRunInstaller.plist 3rd-Party support link

[System] de.meilenstein.MSTHostPreferences.plist 3rd-Party support link

[System] org.cindori.AuthHelper.plist 3rd-Party support link

[System] org.gpgtools.gpgmail.patch-uuid.plist 3rd-Party support link

[System] org.pqrs.NoEjectDelay.load.plist 3rd-Party support link

[System] org.virtualbox.startup.plist 3rd-Party support link


Launch Agents:

[System] com.adobe.AAM.Updater-1.0.plist 3rd-Party support link

[System] com.Logitech.Control Center.Daemon.plist 3rd-Party support link

[System] com.metakine.handsoff.agent.plist 3rd-Party support link

[System] com.oracle.java.Java-Updater.plist 3rd-Party support link

[System] com.paragon.updater.plist 3rd-Party support link

[System] com.teamviewer.teamviewer.plist 3rd-Party support link

[System] com.teamviewer.teamviewer_desktop.plist 3rd-Party support link

[System] org.gpgtools.gpgmail.enable-bundles.plist 3rd-Party support link

[System] org.gpgtools.gpgmail.patch-uuid-user.plist 3rd-Party support link

[System] org.gpgtools.Libmacgpg.xpc.plist 3rd-Party support link

[System] org.gpgtools.macgpg2.fix.plist 3rd-Party support link

[System] org.gpgtools.macgpg2.shutdown-gpg-agent.plist 3rd-Party support link

[System] org.gpgtools.macgpg2.updater.plist 3rd-Party support link

[System] org.pqrs.KeyRemap4MacBook.server.plist 3rd-Party support link


User Launch Agents:

[not loaded] com.adobe.AAM.Updater-1.0.plist 3rd-Party support link

[not loaded] com.adobe.ARM.[...].plist 3rd-Party support link

[not loaded] com.adobe.ARM.[...].plist 3rd-Party support link

[not loaded] com.google.keystone.agent.plist 3rd-Party support link

[not loaded] com.spotify.webhelper.plist 3rd-Party support link

[not loaded] org.virtualbox.vboxwebsrv.plist 3rd-Party support link

[not loaded] XSManager.plist 3rd-Party support link


User Login Items:

iTunesHelper

Bartender

gfxCardStatus

Google Chrome

Google Drive

BetterTouchTool

Skype

X-Lite

SwitchResX Daemon

Dropbox

HazelHelper

Adium

KiesAgent

Mail

AirServer

Bowtie

Spotify

fuspredownloader

Oct 15, 2014 2:31 PM in response to rs88rs

Don't know if someone is gonna read this yet, but i'm thinking about replace the HD of my MacBook Pro mid-2012 with a Samsung 840 EVO 500Gb.

You talk about lots of apps to clone the HD. To do this, I need to plug the SSD on the USB, do the cloning, and then replace the HD, is that it? How can I plug the SSD to USB?

I've seen videos of how to do a Bootable pen-drive of Mountain Lion. Isn't it easier to boot from a pen-drive e just recover the backup from Time Machine?

May 24, 2016 7:45 AM in response to pixu

I had the same problem with my samsung 840 250gb, using now el captain. (Had no problems on LION)

reinstalled the system, even connected the ssd to PC and upgraded the firmware.

but nothing helped.



then I found this:

open terminal and write this command: sudo trimforce enable


need to reboot the system.

pixu wrote:


I have a Samsung 840 SSD too (DXT06B0Q). I'm not sure if it was called EVO then, but promised speeds were around 330 write and 520 read. I have trim enabler and 86/500GB free space.


I'm getting inconsistent results too. First it might go up to 200/450, but soon drops to under 100/200 -speeds. Maybe a faulty unit?

User uploaded file

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

Samsung 840 EVO running slow in macbook 2012, how to fix?

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.