OS X :: High CPU Usage For No Apparent Reason?

Oct 7, 2009

A few days ago I found that launchd was constantly using around 14% of my CPU (via iStat), which drastically lowered my battery life and caused my CPU to reach 75 degrees Celsius and higher. Initially I thought that SL just needed to do something, so I ignored it. But it has persisted for a few days now, so I decided to do something about it.

I checked the Console and nothing appeared to be repeating itself, so what I did was use MainMenu to perform a batch of system maintenance tasks, and then left my Mac on overnight to see what Console would report. Besides hourly instances of "kernel" running "iCalHelper" and "SubmitDiagInfo", there was nothing else.

However, launchd lowered its CPU usage to about 3%, but it is still constant and my CPU is still at a constant 40-50%. Activity Monitor says the following processes are (constantly) taking only 1-4% of the CPU:
coreservicesd
launchd
mds
WindowServer
disnoted
activitymonitord
...and others
The CPU is reported as 35% User and 20% System. But I am not running anything besides Activity Monitor.

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Hardware :: High Exhaust Fan Speeds For No Apparent Reason

May 16, 2010

I have had my MacBook for 3 years and it has run great. Recently I have noticed that my exhaust fan has been hovering around 6000 RPM for no apparent reason. When I took that screen shot I only had Safari Open. Here's the vitals on my Mac..

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OS X :: Crashed For No Apparent Reason?

Nov 24, 2010

ok so i suppose the inevitable had to happen. and so my mac OS X crashed badly within a few days of my getting this new MBP!

i had a short word document open in 1 workspace some firefox tabs in another, and was checking out the movies in my ext HDD (formatted with NTFS).and suddenly i start seeing this multi colored round icon which i guess is the cousin of the windows hourglass. after trying unsuccessfully to force quit, i was forced to hut down using the boot up button. yes, the same procedure that wreaks havoc on the HDD.

- so my questions are - what to do if even force quit doesn't work ? its surprising that it didn't in this case, as i have used ubuntu for almost 3 years and never had the OS crash on me! of course there were a few application crashes but the force quit always worked. and there was the keyboard shortcut - Ctrl+Alt+Del.

- also what is the norm with macs in this regard ? do they crash often and for the flimsiest of reasons as in my case ?

- probably i am not aware of the Mac OS equivalent for the Ctrl+Alt+Del function that almost always works in ubuntu. so is there some key combination that is guaranteed to work in the even that even force quit does not?

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MacBook Pro :: It Has Just Started Getting Really Warm For No Apparent Reason?

May 23, 2012

Should I use my Apple Care, or is there a quick fix?

Info:
MacBook Pro

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Intel Mac :: Shuts Down By Itself Ocassionally For No Apparent Reason

Jun 28, 2012

My iMac shuts down by itself ocassionally for no apparent reason.It happened overnight last night.Here's the Problem Details report that appeared on restart.[code]

Info:
iMac, Mac OS X (10.7.4)

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OS X Mavericks :: MacBook Pro Keeps Crashing For No Apparent Reason?

Aug 27, 2014

my MacBook Pro keeps crashing. 

Anonymous UUID:  
BF278BF8-0869-27D0-A095-E98FAAEDED88
Wed Aug 27 14:18:24 2014
panic(cpu 0 caller 0xffffff80250dc24e): Kernel trap at 0xffffff80250c6d91, type 13=general protection, registers:

[Code]....

Info:
MacBook Pro, OS X Mavericks (10.9.1)

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OS X Yosemite :: (10.10.1) IMac Restarts For No Apparent Reason

Dec 5, 2014

My iMac ( late 2012, 27", 3.4 GHz i7, 16 GB RAM, 3TB Fusion Drive, OS X 10.10.1 ) has taken to randomly restarting for no reason that I can find. It seems to be mostly when I am not actually doing anything, but, as I say, it's random. It did it five times in about half an hour the other day, then it didn't do it for a day or so, but it just did it again, which prompted me to ask. I have run Tech Tool Pro 7, and everything has passed. I have repaired permissions ( there were lots ). What next?

Info:
iMac, OS X Yosemite (10.10.1)

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OS X :: Browser (Firefox / Safari) Crashed For No Apparent Reason On 10.4.11

Aug 6, 2009

I'm having a hell of a time with my mac. It started out when firefox would crash for no apparent reason, asking to send in an error report and eventually it got to where mac itself would crash, turning the screen dark with a picture in the middle appearing saying "You need to restart your computer. Hold the power button down for 2+ seconds". I've tried a lot, I've repaired permissions using the disk utility, I've reinstalled Java and I even verified the disk using the disk utility which seems to be the problem. It said my mac needed the system to be repaired. Except I've got a big problem: I just moved and I don't have the apple hardware test disc, so I'm stuck. Then, today I tried to use Safari instead of Firefox and even it is crashing. This is really irritating, I thought it was a virus until I downloaded a free antivirus that said it wasn't.

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MacBook Air :: Constant Reboot Cycle For No Apparent Reason

Jan 25, 2010

I have loved and cherished my MacBook Air for two years now, but last night it went in to a reboot cycle for no apparent reason. Now every time it gets to the apple logo I get the rotating "thinking" ident under the apple logo and it restarts, continually. I did the hardware test (holding down "D".....that was fine.) I also reset the PRAM... so the troubleshooting keystrokes work.

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OS X V10.7 Lion :: The Audio On Laptop Is Off For No Apparent (muted) Reason?

Jun 27, 2012

The audio on laptop is off for no apparent (muted) reason.

Info:
MacBook Air, iOS 5.1

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Mac Mini :: External HD (for Time Machine) Wakes Up For No Apparent Reason

Apr 12, 2010

I have a Mac Mini with two external WD MyBook's attached. The drive in question, is configured for Time Machine backups every four hours. It should sleep the rest of the time. But every once in a while, it wakes. I just revs up for no reason, then after a short while it goes back to sleep. It can happen when I open a folder, open a file, click a link in the browser or some other seemingly unrelated action.

I tried to untick the "Put the hard disk(s) to sleep when possible" to see if I then at least could get the drive to stay awake instead. This did not change the behavior at all.

Does anybody have a clue what I can do, to get OS X to leave that drive the hell alone, other than Time Machine??

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MacBook Pro :: Lost Very Large Amount Of Disc Space For No Apparent Reason?

May 11, 2012

I have 750GB MacBook Pro and up until the other day I showed 250GB used and 500GB unused. I discovered this because the past two days my computer would just freeze and I couldn't do anything. So I ran the Disc Utility and it found some errors and fixed them. So I'm wondering if the 400GB of lost disc space now has something to do with the computer locking up? I've searched all the folders and added up their size and still come back to 250GB that I can see. So I'm assuming there's something hidden somewhere that's eating up over half my hard disc space?

Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.4)

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OS X :: Why Is Hdd Usage Always So High

Apr 24, 2009

There is some type of problem with my System.

My computer has been running incredibly slow lately. I think it has to do with the disk usage as every time it has to access the disk, it slows to a crawl. I've had a huge amount of beach balling, especially when loading a new App or a new page in Safari.

Here is a picture of the disk usage. Does this look normal? Does anyone know what the problem could be?

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Mac Pro :: VM Usage High - Is It Normal

Oct 15, 2008

Just wondering if this is normal? Almost 30gb of VM in use? I'm encoding one of my DVDs and Handbrake is only using about 90mb of real memory while a bunch of background apps are using about 600-800mb of VM memory. Yesterday I encoded a DVD in like 20 minutes. I did a restart to refresh my memory but it's taken like over 2 hours of encoding and it's not done yet.

Attached is a picture of my Activity Monitor.

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OS X :: High CPU Usage With Video

Feb 26, 2009

I've searched all over the internet but have yet to come across an answer. I love my Mac, but why is it that when I play a video in a web browser on my MacBook, (be it Flash, QuickTime, etc.) my CPU usage is anywhere from 60-80%, yet when I play the same video on a laptop running Windows, the CPU usage is always in the single digits?

I realize that video takes a toll on the CPU with integrated video cards, but it doesn't seem to have the same effect on Windows based laptops with integrated video cards. Is the CPU usage possibly just calculated differently, or is the Mac architecture somehow just really inefficient at this?

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OS X :: IChat CPU Usage Very High?

Mar 7, 2009

Whenever I start iChat on my new mini, it instantly spikes up the CPU usage and just sits there high. Activity Monitor says it's around 97%. I'm not doing anything in it; just starting the app gets it up there, and the only way to get it to go down again is to close the app. It doesn't seem to make a difference whether I'm online or off.

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MacBook Air :: Kernel_task At 130 Cpu Usage Too High?

Apr 8, 2009

My MBA (Ver A 1.6) just started getting the "sluggish" symptoms. Started noticing that my CPU gets stuck at 90~100% after about 30 min of use, since about a week ago. I keep restarting the computer and after about 30 min, my MBA becomes very sluggish and iStat shows both CPU bars all the way to about 100%.

When this happens, the activity monitor shows the kernel_task at 125~130. This is too high, right? If it is, what's causing this? I can't imagine that any of the programs that I regularly use will cause this.

Here's the screen shot of the activity monitor.


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OS X :: CPU Usage Is High When Playing A Game?

Jun 23, 2009

I've had my unibody Macbook since October. Recently I installed a few game apps including Sims 3. The problem is that when I try to play a game, it shows that my CPU usage is around the 100 range, the temperature is around 150 degrees, and the fan is around an average of 4000 rpm. It gets annoying cause you can hear the fan making a loud noise, I'm not sure if its my laptop or some other problem.

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MacBook Pro :: High Ram Usage - What Is Consumption

Jul 23, 2010

I've noticed that my macbook pro has been using a lot of RAM. I haven't really witnessed a slowdown on my computer b/c of any sort of shortage of RAM but I was just curious if this was typical (since this is my first mac). I have 4 GB of RAM and I often find myself with around 1-1.5 GB of free + inactive RAM. I had a linux system with 3 GB RAM before and it used between 1-1.8 GB of RAM and it seems like this system is using around 2.5-3 GB (active + wired). However, various OS X laptops in the past have functioned really well in the past with 2 GB and even 1 GB of RAM right? Is OS X just putting more processes in my RAM to speed up my system because more RAM is available OR does snow leopard just have high memory consumption?

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OS X V10.7 Lion :: Cpu Usage After Standby Very High?

Apr 21, 2012

After standby mode my iMac 2011 with 10.7.3 seems to run corrupt with the kernel and activitymonitord tasks. CPU usage on one core runs to 100% only by scrolling fast in a window (finder, firefox, activity window). It happend without any system adjustment nor on any update or new software. Had the same issue months ago. Helped to went back to 10.7.2 and upraded again to 7.3 via combo update. System is after standby not usable, have to start system new as work around. Found same issue with other users on the web, but no solution.  

Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)

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OS X V10.7 Lion :: ITunes High Usage Of CPU?

Jun 24, 2012

iTunes high usage of CPU

Info:
iMac, Mac OS X (10.7.2)

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OS X Mavericks :: Crashed Then High CPU Usage

Jun 5, 2014

Out of the blue, my MBP Retina crashed, went to a grey screen. I restarted it and noticed the bottom was getting warm. I ran Activity Monitor and it show perl5.16 was using 97-98% of the CPU.

Info:
MacBook Pro with Retina display, OS X Mavericks (10.9), I met Steve in 1976. He used my Kloss NovaBeam projector.

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MacBook Pro :: Using Photoshop Up To 15MB - CPU Usage Very High

Sep 7, 2010

I believe there might be something wrong with my MacBook Pro-It's a late 2008 one, mid configuration. Intel C2D 2.4 Ghz, 2 graphics card, 2GB RAM, ... (Using SL)

I usually find myself using up most of the RAM, with 96MB of RAM left right now, and sometimes when using Photoshop, up to 15MB. My CPU usage is quite high, with Chrome using 17% + other Chrome processes.

I'm only opening up 13 active tabs with 12 pinned and disabled tabs; Is the CPU usage too high?

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Applications :: ITunes 10.0.1 Strange High CPU Usage?

Oct 11, 2010

I have white macbook c2duo 2GHz.After last iTunes update it still consumes about 60% of CPU whe running. If I say running i mean that it's not playing any music. Library Sharing is off. I was trying to find out something but i had no luck. Only I can say is that the same thing is occuring on my friend "Old" Macbook Pro (intel c2duo) but not on any iMac or Unibody Macbook i have seen.

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MacBook :: CPU Usage Very High Just Using Safari/firefox?

Mar 6, 2009

The HD crashed about 2 years ago, and since the replacement (TOSHIBA MK6034GSX 60GB) the CPU will go very hot 80+C and the fan going to 6200rpm if visiting some internet pages. Normally a problem if (when) the kids are playing free online games or visiting youtube or similar. Made a screenshot, notice CPU usage around 112%, smartfan showing 70C and 6200rpm. I have taken the mac physically apart and cleaned the cooling duct and applyed new thermal paste. Didn't help. It drives me crazy, I hate noisy computers.

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MacBook :: Stuck At High CPU Usage Rate

Apr 20, 2009

I will be running MS Excel, preview, firefox, and activity monitor. All of a sudden my Activity monitor says that there is about % User of 50% and the fan will start running. I cannot find what program is making it run this high. I quit every program and it gets stuck on this until I restart the computer. I have done this about 3 times and it always comes back. None of the programs are registering high CPU usage. My last computer had an overheating problem where the fan was always on and that was part of the reason I switched to Macs - really hoping that issues doesn't follow me from Windows to Mac.

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MacBook :: Electricity Usage On Standby Is High

Jul 8, 2009

I bought one of these: [URL] and decided to do an experiment, now on standby (Laptop cover closed) it consumes 1.432 per night (8 hours). Laptop on standby, Cover Open but Display in Sleep mode for 8 hours costs 4.731 per day. So that means per month on standby at night, my Macbook costs 44.392. This can't be right? Because if it is, I might have to turn it off at night from now on.

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Applications :: RAM Usage 1.25gb High - Is This Normal

Jun 11, 2010

I was checking the activity monitor and looking at the RAM and reading Apple's doc and the Activity Monitor RAM section.

At this moment, all I have is Firefox, Activity Monitor open and that's it, obviously there's system stuff going on as well. I took a pic and attached it.

Though is USED 1.25GB high, as it sounds real high to me. Is it too high, if so how can I lower it?

The Mac works fine.

I've been thinking to increase the RAM recently, and purchasing an extra 4 or 8 GBs

I have Intego's Virus Barrier too, any need for this?

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MacBook Pro :: High System Memory Usage?

Jun 19, 2010

I just bought my first mac (2010 13 inch base model) and i was looking in Activity Monitor when i noticed that my free system memory is around 15-20mb. Is this normal? The only things i have running is chrome, itunes, and steam. Would these programs eat up memory? if this is a stupid question please forgive me!!!!

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MacBook :: Memory And CPU Usage Rates Very High?

Aug 21, 2010

At the moment I'm only running iTunes, HelTweetica and Safari, but my memory/CPU graphs are really high and jumpy. Is it supposed to do this or am I just being too paranoid?

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