Why is my iMac (12,1) so slow?

Problem description:
iMac 12,1
i7 2.8GHz
16GB RAM
Yosemite 10.10.3
Bootcamp (can boot into Windows 7)
This mac is slow. We don’t know why. A similar but older iMac in the other room has an i3 and 4GB RAM and it is much faster. Something isn’t right.
EtreCheck version: 2.2 (132)
Report generated 4/27/15, 4:58 PM
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
    iMac (21.5-inch, Mid 2011) (Technical Specifications)
    iMac - model: iMac12,1
    1 2.8 GHz Intel Core i7 CPU: 4-core
    16 GB RAM Upgradeable
        BANK 0/DIMM0
            8 GB DDR3 1333 MHz ok
        BANK 1/DIMM0
            8 GB DDR3 1333 MHz ok
        BANK 0/DIMM1
            Empty
        BANK 1/DIMM1
            Empty
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
    AMD Radeon HD 6770M - VRAM: 512 MB
        iMac 1920 x 1080
System Software: ℹ️
    OS X 10.10.3 (14D136) - Time since boot: 0:13:54
Disk Information: ℹ️
    ST31000528AS disk0 : (1 TB)
        EFI (disk0s1) <not mounted> : 210 MB
        Macintosh HD (disk0s2) / : 748.35 GB (579.04 GB free)
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
        BOOTCAMP (disk0s4) /Volumes/BOOTCAMP : 251.00 GB (199.29 GB free)
    HL-DT-STDVDRW GA32N
USB Information: ℹ️
    Apple Inc. FaceTime HD Camera (Built-in)
    Apple Inc. BRCM2046 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple, Inc. Keyboard Hub
        Apple Inc. Apple Keyboard
    Apple Internal Memory Card Reader
    Apple Computer, Inc. IR Receiver
Thunderbolt Information: ℹ️
    Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
    Mac App Store and identified developers
Kernel Extensions: ℹ️
        /System/Library/Extensions
    [not loaded]    com.Belcarra.iokit.USBLAN_netpart (3.1.1 - SDK 10.6) [Click for support]
    [not loaded]    com.Belcarra.iokit.USBLAN_usbpart (3.1.1 - SDK 10.6) [Click for support]
    [not loaded]    com.RemoteControl.USBLAN.usbpart (3.1.1 - SDK 10.7) [Click for support]
        /System/Library/Extensions/2.2.0/Belcarra.USBLAN_netpart.kext/Contents/Plug-Ins
    [not loaded]    com.belcarra.iokit.netpart.panther (1.6.3) [Click for support]
        /System/Library/Extensions/2.2.0/Belcarra.USBLAN_usbpart.kext/Contents/Plug-Ins
    [not loaded]    com.belcarra.iokit.usbpart.panther (1.6.3) [Click for support]
        /System/Library/Extensions/2.2.0/RemoteControl.USBLAN_usbpart.kext/Contents/Plu g-Ins
    [not loaded]    com.RemoteControl.USBLAN.panther (1.6.2) [Click for support]
Launch Agents: ℹ️
    [running]    com.mozy.status.plist [Click for support]
Launch Daemons: ℹ️
    [loaded]    com.adobe.fpsaud.plist [Click for support]
    [failed]    com.crashplan.engine.plist [Click for support]
    [loaded]    com.microsoft.office.licensing.helper.plist [Click for support]
    [running]    com.mozy.backup.plist [Click for support]
User Launch Agents: ℹ️
    [loaded]    com.adobe.ARM.[...].plist [Click for support]
    [loaded]    com.google.keystone.agent.plist [Click for support]
    [loaded]    com.spotify.webhelper.plist [Click for support]
User Login Items: ℹ️
    Letter Opener Updater    Application Hidden (/Library/Mail/Bundles/Letter Opener.mailbundle/Contents/Resources/Software Update.app)
    iTunesHelper    Application Hidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    Dropbox    Application (/Applications/Dropbox.app)
    AdobeResourceSynchronizer    Application Hidden (/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
    Garmin Express Service    UNKNOWN (missing value)
Internet Plug-ins: ℹ️
    FlashPlayer-10.6: Version: 17.0.0.169 - SDK 10.6 [Click for support]
    Default Browser: Version: 600 - SDK 10.10
    AdobePDFViewerNPAPI: Version: 11.0.10 - SDK 10.6 [Click for support]
    AdobePDFViewer: Version: 11.0.10 - SDK 10.6 [Click for support]
    Flash Player: Version: 17.0.0.169 - SDK 10.6 [Click for support]
    QuickTime Plugin: Version: 7.7.3
    SharePointBrowserPlugin: Version: 14.4.9 - SDK 10.6 [Click for support]
    GarminGpsControl: Version: 4.0.1.0 Release - SDK 10.6 [Click for support]
    Silverlight: Version: 5.1.10411.0 - SDK 10.6 [Click for support]
    JavaAppletPlugin: Version: 15.0.0 - SDK 10.10 Check version
Safari Extensions: ℹ️
    Adblock Plus
    eWallet AutoPass
    Disconnect
3rd Party Preference Panes: ℹ️
    Flash Player [Click for support]
    MozyHome [Click for support]
Time Machine: ℹ️
    Skip System Files: NO
    Mobile backups: OFF
    Auto backup: NO - Auto backup turned off
    Volumes being backed up:
        Macintosh HD: Disk size: 748.35 GB Disk used: 169.30 GB
    Destinations:
        FreeAgent Drive [Local]
        Total size: 1.00 TB
        Total number of backups: 154
        Oldest backup: 2012-01-05 08:35:04 +0000
        Last backup: 2015-04-24 13:57:46 +0000
        Size of backup disk: Adequate
            Backup size 1.00 TB > (Disk used 169.30 GB X 3)
Top Processes by CPU: ℹ️
         2%    WindowServer
         2%    fontd
         1%    (System Preferenc)
         1%    hidd
         0%    com.apple.WebKit.WebContent(4)
Top Processes by Memory: ℹ️
    907 MB    kernel_task
    410 MB    com.apple.WebKit.WebContent(4)
    393 MB    Safari
    279 MB    installd
    213 MB    mdworker(15)
Virtual Memory Information: ℹ️
    10.00 GB    Free RAM
    5.94 GB    Used RAM
    0 B    Swap Used
Diagnostics Information: ℹ️
    Apr 27, 2015, 04:43:09 PM    Self test - passed
    Apr 25, 2015, 07:08:11 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/Photos_2015-04-25-190811_[reda cted].crash

When you see a beachball cursor or the slowness is especially bad, note the exact time: hour, minute, second.
These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
The title of the Console window should be All Messages. If it isn't, select
          SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar at the top of the screen.
Each message in the log begins with the date and time when it was entered. Scroll back to the time you noted above.
Select the messages entered from then until the end of the episode, or until they start to repeat, whichever comes first.
Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of it useless for solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Some private information, such as your name, may appear in the log. Anonymize before posting.
When you post the log extract, you might see an error message on the web page: "You have included content in your post that is not permitted," or "The message contains invalid characters." That's a bug in the forum software. Please post the text on Pastebin, then post a link here to the page you created.

Similar Messages

Why has my iMac started to be slow logging on

Why has my iMac started to be slow when first logging on, is it anything to do with me upgrading to Mavericks from 10.7, and is there any way it can be rectified?

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
The title of the Console window should be All Messages. If it isn't, select
SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar at the top of the screen.
Click the Clear Display icon in the toolbar. Then try the action that you're having trouble with again. Select any messages that appear in the Console window. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
☞ The log contains a vast amount of information, almost all of which is irrelevant to solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
☞ Some private information, such as your name, may appear in the log. Anonymize before posting.

Why has my iMac started running very slow?

In the last week my imac has started running extremely slow especially in safari. Nothing I know of has changed.why?

Besides what Allan is asking, make sure your drive isn't failing. Get the free demo of Smart Utiity to check its health.
http://www.volitans-software.com/smart_utility.php

Why has my iMac suddenly become very slow in waking up

Have not installed any new software recently but have just changed my ISP, suddenly my iMac takes nearly a minute to 'wake up' Mountain Lion installed when it first became available and it was fine after that. When it does wake up it is fine, not slow, and opens apps just as quick as before.
Message was edited by: brijanhub

Hi:
As I said, there are literally thousands of messages - most relate to specific configurations.
When those messages appear, does quite a bit of time elapse?
I Googled "ACE." The only possibly relevant thing I could find is a description of Cisco networking software....
http://www.cisco.com/en/US/prod/collateral/modules/ps2706/ps6906/White_Paper_Con nection_Handling_within_the_Cisco_Application_Control_Engine_Module_Hardware_ps7 027_Products_White_Paper.html
Barry

Why is my iMac starting up so slow ?

i am total novice w/my apple mac os lion (?) bght in 2013. it has gotten slower and slower starting up any suggestions on how to speed up ? i just use it to read the news, write letters and Facebook. i have used less than 10% of memory maybe 1% ?. thank u for any suggestions to solve this problem.

i am total novice w/my apple mac os lion (?) bght in 2013. it has gotten slower and slower starting up any suggestions on how to speed up ? i just use it to read the news, write letters and Facebook. i have used less than 10% of memory maybe 1% ?. thank u for any suggestions to solve this problem.

Why would my imac internet be so slow suddenly?

In the last few days our safari connection has slowed dramatically. Is there something we need to check or do on the computer. We have cable internet so we shouldn't have to wait this long for pages to load.

You should be able to reboot the modem and/or router by just unplugging both, or turning them off, if there is a power switch. Wait a minute or two and reconnect to power or turn them back on.
I don't think you want to reset either.
Message was edited by: WZZZ

Why is my imac so slow browsing

why is my imac so unbelievably slow.I have a gig of ram?

"I have a gig of ram?"
What are the other specs? Processor speed? Free space on hard drive?
Is the slowness limititd to some sites?
Slow choppy web video is the most common complaint, and there is not much you can do about that. The newer video technology is optimized for Intel processors. That aren't many G4 friendly vidoe web sites around any more.

Why is my iMac slowing down? Have EtreCheck info. Could someone check?

Hi, I would love for someone to help me work out why my iMac is starting to slow down. Do I need to get more GB?
Problem description:
iMac has started to slow down, a lot of applications taking a while to load and sometimes freezing, going from application to application there is a lag. Just wondered if there is a problem with the iMac or I just need to bump up the memory..
EtreCheck version: 2.1.6 (109)
Report generated 25 January 2015 11:42:14 GMT
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Click the [Adware] links for help removing adware.
Hardware Information: ℹ️
iMac (27-inch, Mid 2011) (Technical Specifications)
iMac - model: iMac12,2
1 2.7 GHz Intel Core i5 CPU: 4-core
4 GB RAM Upgradeable
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
BANK 0/DIMM1
empty empty empty empty
BANK 1/DIMM1
empty empty empty empty
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
AMD Radeon HD 6770M - VRAM: 512 MB
iMac 2560 x 1440
System Software: ℹ️
OS X 10.10 (14A389) - Time since boot: 0:33:38
Disk Information: ℹ️
ST31000528AS disk0 : (1 TB)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 999.35 GB (743.71 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
OPTIARC DVD RW AD-5690H
USB Information: ℹ️
Apple Computer, Inc. IR Receiver
Apple Internal Memory Card Reader 7.95 GB
NO NAME (disk1s1) /Volumes/NO NAME : 7.94 GB (195 MB free)
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
Mac App Store and identified developers
Kernel Extensions: ℹ️
/System/Library/Extensions
[loaded] com.Cycling74.driver.Soundflower (1.6.6 - SDK 10.6) [Support]
[not loaded] com.pctools.iantivirus.kfs (1.0.1) [Support]
[not loaded] com.wacom.kext.pentablet (5.2.1) [Support]
[not loaded] com.wacom.kext.wacomtablet (6.1.7) [Support]
Launch Agents: ℹ️
[not loaded] com.adobe.AAM.Updater-1.0.plist [Support]
[running] com.adobe.AdobeCreativeCloud.plist [Support]
[loaded] com.adobe.CS4ServiceManager.plist [Support]
[running] com.brother.LOGINserver.plist [Support]
[loaded] com.divx.dms.agent.plist [Support]
[loaded] com.divx.update.agent.plist [Support]
[running] com.wacom.pentablet.plist [Support]
[running] com.wacom.wacomtablet.plist [Support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Support]
[invalid?] com.adobe.SwitchBoard.plist [Support]
[loaded] com.adobe.versioncueCS4.plist [Support]
[failed] com.autodesk.backburner_manager.plist [Support] [Details]
[running] com.autodesk.backburner_server.plist [Support]
[failed] com.autodesk.backburner_start.plist [Support] [Details]
User Launch Agents: ℹ️
[loaded] com.adobe.AAM.Updater-1.0.plist [Support]
[loaded] com.adobe.ARM.[...].plist [Support]
[failed] com.facebook.videochat.[redacted].plist [Support]
[loaded] com.google.keystone.agent.plist [Support]
[not loaded] com.linotype.FontFolderProtector.plist [Support]
[running] com.spotify.webhelper.plist [Support]
User Login Items: ℹ️
FontExplorerXAutoload Application Hidden (/Users/[redacted]/Library/Application Support/Linotype/FontExplorer X/FontExplorerXAutoload.app)
iTunesHelper Application Hidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
uTorrent UNKNOWN (missing value)
iAntiVirus Application Hidden (/Applications/iAntiVirus/iAntiVirus.app)
Internet Plug-ins: ℹ️
WacomNetscape: Version: 1.1.0-4 [Support]
OVSHelper: Version: 1.1 [Support]
Default Browser: Version: 600 - SDK 10.10
WacomSafari: Version: 1.1.0-4 [Support]
AdobeAAMDetect: Version: AdobeAAMDetect 2.0.0.0 - SDK 10.7 [Support]
FlashPlayer-10.6: Version: 16.0.0.296 - SDK 10.6 [Support]
DivX Web Player: Version: 3.0 - SDK 10.5 [Support]
AdobePDFViewerNPAPI: Version: 10.1.13 [Support]
Flash Player: Version: 16.0.0.296 - SDK 10.6 Mismatch! Adobe recommends 16.0.0.287
QuickTime Plugin: Version: 7.7.3
Silverlight: Version: 5.1.20913.0 - SDK 10.6 [Support]
AdobePDFViewer: Version: 10.1.13 [Support]
JavaAppletPlugin: Version: 15.0.0 - SDK 10.10 Check version
User internet Plug-ins: ℹ️
Google Earth Web Plug-in: Version: 7.1 [Support]
3rd Party Preference Panes: ℹ️
Adobe Version Cue CS4 [Support]
Flash Player [Support]
Perian [Support]
Time Machine: ℹ️
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 999.35 GB Disk used: 255.63 GB
Destinations:
My Passport [Local]
Total size: 499.95 GB
Total number of backups: 35
Oldest backup: 2013-09-23 18:40:17 +0000
Last backup: 2014-04-20 08:44:46 +0000
Size of backup disk: Too small
Backup size 499.95 GB < (Disk used 255.63 GB X 3)
Top Processes by CPU: ℹ️
      11% WindowServer
      7% com.apple.dock.ecap
      4% ocspd
      2% Spotify
      1% Safari
Top Processes by Memory: ℹ️
163 MB FontExplorer X Pro
163 MB Spotify
159 MB Finder
131 MB com.apple.WebKit.WebContent
112 MB Safari
Virtual Memory Information: ℹ️
24 MB Free RAM
1.61 GB Active RAM
1.61 GB Inactive RAM
882 MB Wired RAM
3.26 GB Page-ins
18 MB Page-outs
Diagnostics Information: ℹ️
Jan 25, 2015, 11:10:39 AM /Library/Logs/DiagnosticReports/backburnerManager_2015-01-25-111039_[redacted]. crash
Jan 25, 2015, 11:09:21 AM Self test - passed
Jan 24, 2015, 03:12:46 PM /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-01-24-151246_[ redacted].cpu_resource.diag [Details]
Jan 24, 2015, 02:49:15 PM /Library/Logs/DiagnosticReports/backburnerManager_2015-01-24-144915_[redacted]. crash
Jan 24, 2015, 01:15:09 AM /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-01-24-011509_[ redacted].cpu_resource.diag [Details]
Jan 23, 2015, 10:08:57 PM /Library/Logs/DiagnosticReports/System Preferences_2015-01-23-220857_[redacted].hang

First, removing "iAntiVirus" will have no effect if you're running Yosemite, because it doesn't load in Yosemite.
Back up all data immediately if you haven't already done so. You should have done that before doing anything else.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
The title of the Console window should be All Messages. If it isn't, select
          SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar at the top of the screen.
Click the Clear Display icon in the toolbar. Then take an action that isn't working the way you expect. Select any messages that appear in the Console window. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of which is irrelevant to solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Some private information, such as your name or email address, may appear in the log. Anonymize before posting.

Why has my Imac recently slowed down

It has gotten very slow lately

How full is your hard drive?
Hhave you emptied OS X Trash icon in the Dock, lately?
Apple Mail and iPhoto have their own separate Trash to empty.
Have you emptied these?
Iin OS X Disk Utility, run the repair Disk Permissions routine.
If doing these things only marginally helps, next is to upgrade your RAM memory.
Newer Intel versions of OS X use a lot more CPU, GPU, hard drive and RAM resources.
The 4 GBs of RAM in your iMac is really the working minimum of RAM needed just to run OS X, alone, by itself.
Start running additonal applications and your iMac is going to slow down.
Your iMac can take a max. amount of 32 GBs of RAM.
Install, at least, another 4 GBs of RAM. Install more if you can afford it.
Here are the exact specs for the RAM your iMac needs
32 GB (Actual) 16 GB (Apple)
Memory Slots
4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM
Purchase reliable Mac RAM from online Mac RAM vendors Crucial memory or OWC (macsales).

Why is my iMac slowing to a crawl?

Ever since I updated to Lion, my imac has been really slow in almost every aspect.
Before I updated I backed everything up and cleaned my drive of app I no longer use. Then once I saw how slow things were running, I checked and repaired my permissions thinking that would solve the problem. Unfortunately that didn't solve the problem. My Imac is 3 years old so I don't think that would be an issue.
I have a mac book that I'm not going to uupgrade until I can solve this problem with my Imac.
I would appreciate any suggestions on how to fix this.
Thnaks alot for the help

what i'm trying to say is i'm a Slow Learner, I Learn @ a Slow Pace ok so i hope i did not get anyone upset about this on here? i went to school back in the 90's & i graduated in june of 1998 but they did not teach me much over there back then so i hope you will all understand me now ok, peace

Why is my imac g5 so slow

My imac g5 is very slow using the same internet connection that I use with my macbook pro. Any ideas on what I can do to clean it up? I have removed cookies and cleared history and dumped trash and that brings me to the end of my limited skillset. thx.

Try a different web browser.
Run activity monitor.
Do more cleanup.
Try a different web browser.
Opera
http://www.opera.com/browser/download/requirements/
http://www.opera.com/download/
OmniWeb 5.11, which, I believe is built on the same framework as Safari 5,
Safari 4.1.3 for Tiger
http://support.apple.com/kb/DL1069
iCab - The Taxi for the Internet
http://www.icab.de/
for PPC
tenfourfox
"World's most advanced web browser. Finely tuned for the Power PC."
http://www.floodgap.com/software/tenfourfox/
alternative download site:
http://www.macupdate.com/app/mac/37761/tenfourfox
Run activity monitor.
Look at what is happening with your Mac when you run Activity Monitor.
Macintosh-HD -> Applications -> Utilities -> Activity Monitor
Click on the CPU tab on the lower half of the window to see how much time you are using and if any applications are hogging the CPU.
You can gain some understanding of Activity Monitor by looking at it every once in a while. Look at the small graph.
Here is how I have my cpu display set up:
Do you need more cpu memory.
Click on System Memory to get statistics on memory usage. You should have some free memory.
The number to look at is page outs.
Mine is 13397. This means that some of my programs and data had to be written to disk because cpu memory filled up for a time. It means my programs ran a little slower than they could have. I could run fewer programs, deal with the slowness, or buy more memory. I'd say you want at least 512meg of memory for 10.4.
If the entry for entry for Page ins/outs is:
Page ins/outs: 29163/0
Notice I have 0 pageouts which says that I am not using my harddrive for extra memory space. Thus, I have enough memory.
Activity Monitor has a neat feature where it can display a dynamic dock icon. In Activity Monitor View > Dock icon > Show cpu history.
"Reading system memory usage in Activity Monitor :"
http://docs.info.apple.com/article.html?artnum=107918
Managing Memory
See Kappy
http://discussions.apple.com/message.jspa?messageID=8025223#8025223
Problems from insufficient RAM and free hard disk space
http://thexlab.com/faqs/lackofram.html
Do more cleanup.
You may want to run these "standard" fixes if the problem persists.
Check the amount of free space on your harddrive. You should have a several gigs free.
You should run disk utility
a) verify the disk
b) update your permissions.
Try a safe boot.
Shutdown your machine. Hold down the shift key. Poweron. Wait awhile Wait awhile while you harddrive is being checked.
http://support.apple.com/kb/ht1455
You may want to run applejack to clean up your machine.
http://applejack.sourceforge.net/

Why does my iPhoto open and run slow since upgrading to OSX 10.8.5

Why does my iPhoto open and run slow since upgrading to OSX 10.8.5? I have an Imac - Intel 2.5 GHz quad core I5 - with 20 GB of memory. Before the upgrade it was much faster.

Why does my iPhoto open and run slow since upgrading to OSX 10.8.5? I have an Imac - Intel 2.5 GHz quad core I5 - with 20 GB of memory. Before the upgrade it was much faster.

Imac 11,2 running slower after installing software updates

I purchased my imac 11,2 Sept. 2010. I recently downloaded my software updates that included airport utility, itunes and canon printer software update. Since these downloads, the imac has been very slow. Does anybody have any suggestions why my imac runs slower after software updates and what can be done to get my imac back to previous speed.

isis24680,
Welcome to the Apple Discussions!
Did you run Disk Utility> Repair Permissions? Do you have your eMac in display-only sleep overnight, or use a utility such as OnyX, or otherwise ensure the Unix crom maintenenace scripts run? OS X 10.4.2 (in 7/05) included provision to force the maintenance scripts when sufficiently oberdue; it's possible you're seeing the Mac trying to catch up on a year-plus worth of maintenance.
Do you have anything showing in System Preferences> Others, especially anything that adds to the menu bar? You'll need to check that any add-on system utilities or background programs are updated to run properly under 10.4.6; a quick way to check is to Start Up in Safe Mode and see if performance returns to normal.
Open Applications> Utilities> Activity Monitor, show all tasks, and sort the list by CPU. Is their anything regularly showing up at more than say 15% of the CPU usage?

I upgraded to Yosemite and my Imac is running very slow.

Recently upgraded and my Imac is running super slow. Looking for any suggestions to speed things up.

Activity Monitor - Mavericks also Yosemite
Activity Monitor in Mavericks has significant changes
Performance Guide
Why is my computer slow
Why your Mac runs slower than it should
Slow Mac After Mavericks
Things you can do to resolve slowdowns see post by Kappy
Try running this program and then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor. Please use copy and paste as screen shots can be hard to read.
Etrecheck – System Information

Why does my imac get a black screen when switching on

why does my imac get a black screen when turning on, and logging in is very slow.

I would first reset the SMC:
Shut down and unplug the Mac.
Keep the Mac unplugged for at least fifteen seconds.
Plug the Mac back in and do not turn it back on for at least five seconds.
Press the power button to turn the Mac back on.
Then I would reset the PRAM by rebooting the iMac while simultaneously holding the Command-Option-P-R keys until the machine restarts a second time.
Let us know if these procedures don't solve the problems.
Hope this helps

Why is my iMac (12,1) so slow?

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