Expanding RAM on my 27 iMac

My iMac 27 (mid-2010) has a memory as follows:

BANK 0/DIMM0

OK 2 GB DDR3 1333 MHz

BANK 1/DIMM0

OK 2 GB DDR3 1333 MHz

0/DIMM1 BANK

OK 2 GB DDR3 1333 MHz

BANK 1/DIMM1

OK 2 GB DDR3 1333 MHz

I ordered 2 * 2 GB of the same type (Apple Corsair 8 GB 2x4gb DDR3 1333 MHZ C9 204PIN SODIMM) so I can expand the memory to 2 + 2 + 4 + 4 = 12 GB.

It comes, will it be any show or boot issue? I ask because I have heard that all four memory locations should have the same type of memory and 'size', and I'm hesitant to try the upgrade if there are negative consequences.

First, you will need to cancel your order of RAM. From what you wrote that you have ordered the same RAM that you have already installed! If you make a mistake and ordered 2x4gb DIMMs, then you can be correct. Adding that RAM can make improvements marginal speed however the best shot for the $ is to install an SSD to replace the HD HD are the neck of the bottle in computers and make the computer slow. With the help of Mavericks with 8 GB of RAM should be fine for most users.

In addition, I would not have recommended the Corsair RAM, I would have recommended RAM Crucial (buy directly from them) or RAM macsales.com.

Good luck.

Tags: Mac

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    0xffffff93a5263dd0: 0xffffff80002fc23c

    0xffffff93a5263e30: 0xffffff80002d9b51

    0xffffff93a5263e80: 0xffffff80002ed6e7

    0xffffff93a5263f10: 0xffffff80003f600e

    0xffffff93a5263fb0: 0xffffff80002a9f66

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    Mac OS version:

    A 16, 323

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    com.apple.driver.AppleInputDeviceSupport 76.1

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    com.apple.iokit.IOSurface 152

    com.apple.nvidia.driver.NVDAGK100Hal 10.1.2

    com.apple.nvidia.driver.NVDAResman 10.1.2

    com.apple.driver.AppleGraphicsControl 3.13.60

    com.apple.driver.IOPlatformPluginLegacy 1.0.0

    com.apple.iokit.IOBluetoothHostControllerUSBTransport 5.0.0f18

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    com.apple.driver.usb.IOUSBHostHIDDevice 1.1

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    com.apple.iokit.IOEthernetAVBController 1.0.3b4

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    com.apple.driver.AppleUSBMergeNub 900.4.1

    com.apple.iokit.IOAHCIFamily 288

    com.apple.driver.usb.AppleUSBHostPacketFilter 1.0

    com.apple.iokit.IOUSBFamily 900.4.1

    com.apple.driver.usb.AppleUSBEHCIPCI 1.1

    com.apple.driver.usb.AppleUSBEHCI 1.1

    com.apple.driver.usb.AppleUSBXHCIPCI 1.1

    com.apple.driver.usb.AppleUSBXHCI 1.1

    com.apple.iokit.IOUSBHostFamily 1.1

    com.apple.driver.AppleUSBHostMergeProperties 1.1

    com.apple.driver.AppleEFINVRAM 2.1

    com.apple.driver.AppleBusPowerController 1.0

    com.apple.iokit.IOHIDFamily 2.0.0

    com.apple.driver.AppleEFIRuntime 2.0

    com.apple.iokit.IOSMBusFamily 1.1

    com Apple.Security.sandbox 300.0

    com.apple.kext.AppleMatch 1.0.0d1

    com.apple.driver.AppleKeyStore 2

    com.apple.driver.AppleMobileFileIntegrity 1.0.5

    com.apple.driver.AppleCredentialManager 1.0

    com.apple.driver.DiskImages 444

    com.apple.iokit.IOStorageFamily 2.1

    com.apple.iokit.IOReportFamily 31

    com.apple.driver.AppleFDEKeyStore 28.30

    com.apple.driver.AppleACPIPlatform 5.0

    com.apple.iokit.IOPCIFamily 2.9

    com.apple.iokit.IOACPIFamily 1.4

    com Apple.KEC.pthread 1

    com Apple.KEC.corecrypto 1.0

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    USB device: Keyboard Hub

    USB Device: Apple keyboard

    USB device: FaceTime HD camera (built-in)

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    Click the [Support] links to help with non-Apple products.

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    iMac (27-inch, late 2012)

    [Data sheet] - [User Guide] - [warranty & Service]

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    BANK 1/DIMM0

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    0/DIMM1 BANK

    OK 4 GB DDR3 1600 MHz

    BANK 1/DIMM1

    OK 4 GB DDR3 1600 MHz

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    Wireless: en1: 802.11 a/b/g/n

    Video information:

    NVIDIA GeForce GTX 675MX - VRAM: 1024 MB

    iMac 2560 x 1440

    Software:

    macOS Sierra 10.12 (A 16, 323) - since the start time: about an hour

    Disc information:

    APPLE disk HARD WDC WD10EALX-408EA0 disk0: (1 TB) (rotation)

    EFI (disk0s1) < not mounted >: 210 MB

    Macintosh HD (disk0s2) Volumes/Macintosh HD: 999,86 (Go 98,20 free)

    TS256GSJM500 disk1: (256,06 GB) (Solid State - TRIM: No.)

    EFI (disk1s1) < not mounted >: 210 MB

    SSD of Macintosh (disk1s2) /: 255,20 (GB 138,90 free)

    Recovery HD (disk1s3) < not mounted > [recovery]: 650 MB

    USB information:

    Apple Inc. FaceTime HD camera (built-in)

    Apple Inc. BRCM20702 hub.

    Apple Inc. Bluetooth USB host controller.

    Logitech USB receiver

    Lightning information:

    Apple Inc. Thunderbolt_bus.

    TRANSCEND StoreJet

    Configuration files:

    / etc/sudoers, 2299 but file size expected 1563

    /etc/sysctl.conf - file exists but not expected

    / etc/hosts - number: 20

    Guardian:

    Any where

    Launch system officers:

    [no charge] 6 tasks Apple

    [loading] 159 jobs Apple

    [running] Apple 106 jobs

    Launch system demons:

    [loaded] com.apple.jetsamproperties.Mac.plist (2016-08-26) [Support]

    [no charge] 40 Apple jobs

    [loading] 159 jobs Apple

    Apple tasks 105 [performance]

    Launch officers:

    [loaded] com.adobe.AAM.Updater - 1.0.plist (08 / 08/2013) [Support]

    [loading] com.adobe.AdobeCreativeCloud.plist (08 / 08/2013) [Support]

    [loading] com.google.keystone.agent.plist (2016-07-12) [Support]

    [loading] com.oracle.java.Java - Updater.plist (2013-07-10) [Support]

    [loaded] com.teamviewer.teamviewer.plist (2015-09-30) [Support]

    [loaded] com.teamviewer.teamviewer_desktop.plist (2015-09-30) [Support]

    [loaded] net.culater.SIMBL.Agent.plist (2013-07-26) [Support]

    Launch demons:

    [loading] com.adobe.fpsaud.plist (2016-06-29) [Support]

    com.edovia.screensconnect.daemon.plist [running] (2013-09-05) [Support]

    [loading] com.google.keystone.daemon.plist (2016-09-02) [Support]

    [loading] com.macpaw.CleanMyMac3.Agent.plist (2016-03-13) [Support]

    [loading] com.microsoft.office.licensingV2.helper.plist (2015-08-15) [Support]

    [loading] com.oracle.java.Helper - Tool.plist (2013-07-10) [Support]

    com.sonos.SonosLibraryServer.plist [running] (2016-09-09) [Support]

    [loading] com.teamviewer.Helper.plist (2015-09-30) [Support]

    [loaded] com.teamviewer.teamviewer_service.plist (2015-09-30) [Support]

    [loading] com.tunnelbear.mac.tbeard.plist (2016-08-16) [Support]

    User launch officers:

    [cannot] com.citrixonline.GoToMeeting.G2MUpdate.plist (2014-03-11) [Support]

    [cannot] com.facebook.videochat. [entrenched passage] .plist (2014-08-11)

    [loading] com.macpaw.CleanMyMac3.Scheduler.plist (2016-08-17)

    [loading] com.shoebox.launched.plist (2016-08-16) [Support]

    [loading] com.shoebox.launched.pliste (2016-08-16) [Support]

    com.spotify.webhelper.plist [running] (2016-08-22) [Support]

    Items in user login:

    iTunesHelper Application (/ Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

    Dropbox application (/ Applications/Dropbox.app)

    Plug-ins Internet:

    AdobeAAMDetect: AdobeAAMDetect 2.0.0.0 - SDK 10.7 (2013-08-08) [Support]

    FlashPlayer - 10.6: 22.0.0.209 - SDK 10.9 (2016-07-13) [Support]

    QuickTime Plugin: 7.7.3 (2016-09-14)

    Flash Player: 22.0.0.209 - SDK 10.9 (2016-07-13) obsolete! Update

    o1dbrowserplugin: 5.41.3.0 - 10.8 SDK (2015-12-16) [Support]

    SharePointBrowserPlugin: 14.1.3 - SDK 10.6 (2013-07-11) [Support]

    googletalkbrowserplugin: 5.41.3.0 - 10.8 SDK (2015-12-11) [Support]

    Silverlight: 5.1.10411.0 - SDK 10.6 (2013-07-10) [Support]

    JavaAppletPlugin: Java 8 update 101 build 13 (2016-08-19) check the version of

    User Plug-ins internet:

    KKKKK install detector: unknown

    CitrixOnlineWebDeploymentPlugin: 1.0.105 (2013-04-26) [Support]

    Safari extensions:

    1Password - AgileBits - https://agilebits.com/onepassword (2016-08-26)

    AdBlock - Michael Gundlach - https://getadblock.com (2015-09-12)

    Ember - Realmac Software - http://realmacsoftware.com/ember (2013-07-15)

    WhatFont - Liu Chengyin - http://chengyinliu.com/whatfont.html (2015-04-20)

    3rd party preference panes:

    Flash Player (2016-06-29) [Support]

    Java (2016-08-19) [Support]

    Perian (2011-07-24) [Support]

    Login (2014-01-15) [Support] screens

    Time Machine:

    Mobile backups: OFF

    Automatic backup: NON - automatic backup disabled

    Volumes to back up:

    Macintosh SSD: Disc size: 255,20 GB disc used: 116,30 GB

    Destinations:

    1 TB [Local]

    Total size: 999,86 GB

    Total number of backups: 0

    An older backup: -.

    Last backup: -.

    Size of backup drive: Excellent

    Backup size 999,86 GB > (disk size 255,20 GB X 3)

    Top of page process CPU:

    7% Dropbox

    5% kernel_task

    4% finder

    1% nsurlsessiond (2)

    1% safari

    Top of page process of memory:

    1.17 GB kernel_task

    819 MB Safari

    541 MB mdworker (21)

    Finder 410 MB

    Dropbox 410 MB

    Virtual memory information:

    26 MB of free RAM

    16 h 00 GB used RAM (7,77 GB being cached)

    Used Swap 0 B

    Diagnostic information:

    September 22, 2016, rash /Library/Logs/DiagnosticReports/screens_connectd_2016-09-22-141526_[redacted].c 14:15:26

    / Library/PrivilegedHelperTools/screens_connectd

    September 22, 2016, rash /Library/Logs/DiagnosticReports/screens_connectd_2016-09-22-141515_[redacted].c 14:15:15

    September 22, 2016, rash /Library/Logs/DiagnosticReports/screens_connectd_2016-09-22-141511_[redacted].c 14:15:11

    September 22, 2016, 13:47:32 ~/Library/Logs/DiagnosticReports/SIMBL Agent_2016-09-22-134732_ [redacted] .crash

    /Library/ScriptingAdditions/SIMBL.osax/Contents/Resources/SIMBL Agent.app/Contents/MacOS/SIMBL agent

    September 22, 2016, rash /Library/Logs/DiagnosticReports/screens_connectd_2016-09-22-132957_[redacted].c 13:29:57

    September 22, 2016, 13:29:31 self-test - spent

    September 22, 2016, 13:06:55 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130655_ [redacted] .crash

    /Applications/Ember.app/Contents/library/LoginItems/Ember library Mediator.app/Contents/MacOS/Ember library mediator

    September 22, 2016, 13:06:44 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130644_ [redacted] .crash

    September 22, 2016, 13:06:35 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130635_ [redacted] .crash

    September 22, 2016, 13:06:24 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130624_ [redacted] .crash

    September 22, 2016, 13:06:14 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130614_ [redacted] .crash

    September 22, 2016, 13:06:04 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130604_ [redacted] .crash

    September 22, 2016, 13:05:54 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130554_ [redacted] .crash

    September 22, 2016, 13:05:44 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130544_ [redacted] .crash

    September 22, 2016, 13:05:34 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130534_ [redacted] .crash

    September 22, 2016, 13:05:23 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130523_ [redacted] .crash

    September 22, 2016, 13:05:13 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130513_ [redacted] .crash

    September 22, 2016, 13:05:03 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130503_ [redacted] .crash

    September 22, 2016, 13:04:53 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130453_ [redacted] .crash

    September 22, 2016, 13:04:43 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130443_ [redacted] .crash

    September 22, 2016, 13:04:33 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130433_ [redacted] .crash

    September 22, 2016, 13:04:22 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130422_ [redacted] .crash

    September 22, 2016, 13:04:12 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130412_ [redacted] .crash

    September 22, 2016, 13:04:01 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130401_ [redacted] .crash

    September 22, 2016, 13:03:51 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130351_ [redacted] .crash

    September 22, 2016, 13:03:41 ~/Library/Logs/DiagnosticReports/Ember library Mediator_2016-09-22-130341_ [redacted] .crash

    Uninstall the malware CleanMyMac you installed according to the instructions of developers. Then restart in Mode safe mode then restart normally and test. Mac OS requires no cleaning, antivirus or ANY third party maintenance apps to function well. If simply left alone and updated most Macs will work well for years.

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