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![]() Member Since: Aug 14, 2006
Posts: 77
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![]() Member Since: Apr 29, 2006
Location: St. Somewhere
Posts: 4,547
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Mac Specs: PowerMac G5 Quad, 2.5 GHz, 4 Core, 120 GB SSD, 500 GB HDD
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This is a frequent question, and I have accumulated the usual steps into a single response that I routinely post in response to such questions when they appear. With apologies to the frequent denizens of this forum, who have seen it before, here are some steps you can take to help return your Mac to its erstwhile speed:
First, check that your processor is running full speed. In Tiger at least, go to Preferences, Energy Saver, Options and look at the drop box down near the bottom called Processor Performance. If it is not set to "Highest", set it to that right away. This maximizes performance, but for notebooks, it may run down the battery faster. Note that not all Macs have this setting - my certainly my PowerMac G5 tower does, but not all Macs do. For Leopard, the preference panel is a bit different in this regard, but poke around and make sure that you are set up for optimum performance, not optimum battery life. Next, for Intel Macs, fire up Activity Monitor and check for any processes running that are PPC not Intel (this is shown in one of the rightmost columns of the Processes display). If you are routinely running a background process of perhaps even a widget that is PPC, that process is running under Rosetta and that is consuming more CPU. You might wish to upgrade it to a Universal Binary, or replace it with something else. Next, download OnyX and run the complete set of clean up and maintenance scripts and then evaluate again. Get OnyX at: http://www.titanium.free.fr/pgs/english.html Next, you may wish to check that you have enough free space on your hard drive. Highlight the Macintosh HD icon on your desktop, CTL-click it and select Get Info from the resulting menu. Make sure you have a reasonable amount of space left. If not, a little spring cleaning may be in order. There are two excellent apps for showing where all of your hard disk space has gone, Disk Inventory X and WhatSize. Get them at: Disk Inventory X: http://www.derlien.com WhatSize: http://www.id-design.com/software/whatsize Both do a great job at letting you zero in on your largest disk space consumers, so that you can hunt down any rogue files (and both are freeware, which is good). Finally, it is possible you may have some processes running that are consuming a lot of idle CPU, thus slowing down your machine overall. I had a bad widget that did this once. Open Activity Monitor and look at your "resting" CPU occupancy when you are not doing anything in particular with the machine. It should be pretty much zero (maybe 1% to 2% at most). If it not, identify the process or processes that are taking the time. What are they? Do you recognize them? Are they needed? If you find one that is not needed, kill it and see how your machine starts to behave. If this is the cure, you will need to identify the startup item that launches it and delete it. So, in summary then, take the following steps in order: 1/ Start with ensuring that your processor speed setting is full (applies to many Macs but not all) 2/ For Intel Macs, check for PPC processes and potentially prune them out 3/ Do Onyx based full maintenance 4/ Check that you have sufficient available disk space 5/ Search for processes that are consuming an unexpected amount of CPU A final thought. If you routinely leave your web browser running when you are not using it, and have it open at a "busy" page like Mac-Forums, you will find that the Flash-based animated ads on the page consume a ridiculous amount of CPU time. If you want to leave your web browser loaded and running all the time, try pointing it a peaceful page like Google's basic search page - no ads, no unusual CPU consumption. This may help as well. My Macs: PowerMac G5 Quad, 2.5 GHz, 4 Core, Mac Pro, 3.2 GHz 8 Core, Power Macintosh 7500/100 My iStuff: 32 GB iPhone 4, 30 GB iPod Video, 16 GB iPod Touch My OS': Mac OS X Tiger, Mac OS X Snow Leopard, Mac OS X Leopard, Mac OS 8.6, openSUSE 10.3, Win XP I was on the Mac-Forums honor roll for September 2007 |
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![]() Member Since: Feb 24, 2008
Posts: 297
![]() Mac Specs: 27" iMac 3.1 GHz Core i5 | 17" MacBook Pro 2.6 GHz, both on OS X.7.3 | iPhone 4 iOS 5.0.1
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i know i didn't ask the question but i checked on activiy monitor while nothing was running (exept safari & activity monitor)
the top 3 items listed when viewing cpu usage are pmtool windowserver & kernel_task i'm guessing they are system processes... (in total its around 4 percent....mostly system usage) << i can explain it to you...but i can't understand it for you... >> |
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![]() Member Since: Mar 12, 2009
Posts: 1
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I know this post is a little late, but thought it might help some people with there new macbooks.
My browsers were running really slow when I got me new macbook, and I did some research. This solved the problem: Access your router admin page and write down the DNS servers that it is using. Then add those servers ( 00.00.000.000 ) to the DNS tab for your airport. Currently mine only had the router address in my DNS servers tab 192.168.1.1, but by adding the two found in the router admin page solved my problem completely |
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![]() Member Since: Mar 09, 2010
Location: Buenos Aires, Argentina
Posts: 25
![]() Mac Specs: Apple MacBook Pro MC118E/A 15.4 | iPhone 4S | iPod many
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Some weeks ago, I started to have the same problem... so I remembered about this forum and I looked for a post with something similar.
I've found this one, and I followed your suggestions, Mac57, and it worked perfectly!!! Thank you!!! Now my mac came back to work as it used to!!! Mr. Daniel |
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