MacBook Fans Loud - Heat is HOT - Processor almost 90% Free! What gives?

Hiya
I have had my Macbook since boxing day, December 26, 06 and I LOVE IT!
The only thing is that these days, when I am not running anything that uses a lot of power, like Flash 8 or Photoshop, my Macbook starts to heat up and fans go to max almost and stays that way for a while...
I took some photos:
http://img243.imageshack.us/img243/8105/picture1me5.png
http://img296.imageshack.us/img296/6186/picture2ez5.png
I was only running Adium, Safari and iTunes and my fans were fully on at 6200 RPM and the heat was 50°C!!!
I hate this heat... What is up?
MacBook Black 2.0GHz - 1G of RAM - 120G of Memory Mac OS X (10.4.10) Old Computer: iMac G4 - 17" with 768MB of RAM

You might try to reset the SMC and/or PRAM.

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Loud noise, when idle, running and reading! WHAT GIVES!

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Your comment is so vague it's impossible to really troubleshoot. Contact AppleCare immediately (the number is in your owners manual) and they will help you get it fixed. If the machine is less than 10 days old and you bought it directly from Apple I'd recommend a replacement machine.
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Late 2011 Macbook Pro loud fan at 30% cpu usage...

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Ive just never heard of the fan getting this loud or complaints about a hot case from fellow users. So im wondering if this is normal...
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Project-Oscar wrote:
Yesterday I swear it almost burned my lap within an hour of use it was so hot on the bottom!
Mac Notebooks are not meant to be used on your lap. They need to be placed on a flat surface such as a desk to allow for proper ventilation. Also, define "hot" add the iStat widget to your dashboard and report back with what the temps are. Also, MBP's are known to run hot..

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That means your fan(s) sped up to dispose of the excess heat generated by playing the game. It's a sign that your machine is taking care of itself properly.

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First, I recommend you to reset the SMC > http://support.apple.com/kb/HT3964
If it doesn't work, I would start thinking about a hardware problem. To confirm this, insert the “Mac OS X Install Disc 1” that came with the Mac, hold the D key while your Mac is starting to start Apple Hardware Test and run an extended test. If you get an error at the end of the text, copy it here. You will have to take the computer to an Apple Store or reseller to get the Mac repaired

My MacBook Pro gets really hot when I open a video file of any kind and the video starts lagging and the image fades away, also with anything that starts the fan. Is extremely hot on the left upper corner. Is there something I can do about it?

My MacBook Pro gets really hot when I open a video file of any kind and the video starts lagging and the image fades away, also with anything that starts the fan. Is extremely hot on the left upper corner. Is there something I can do about it?

You are still under warranty. Call Apple Care. Make sure you get a case number as all repairs have an additional 90 days of warranty.
#1 - You have 14 days from the date of purchase to return your computer with no questions asked.
#2 - You have 90 days of FREE phone tech support.
#3 - You have the standard one year Apple warranty.
#4 - If you've purchased an AppleCare Protection Plan, your warranty last for 3 years. You can obtain AppleCare anytime up to the first year of the purchase of your computer.
Take FULL advantage of your warranty. Posting on a message board should be done as a last resort and if you are out of warranty or Apple Care has expired.

Loud MacBook fan

My MacBook fan is running at 6200 rpm, 75 degrees almost constantly. In a class yesterday someone asked me to move because my computer was distracting. Please advise!
Even running just one program (FireFox) the fan runs constantly.

hi first time to post here~
my questions goes: the fan of my black macbook has started to "go nuts" for the past few weeks and it never happened before! I checked the fan speed using smcfancontrol and it was always around 6000 (exhaust). at first i thought it got to be the fan control software which messed up my fan and made it run like crazy, but after the uninstallation the problem remained the same. So like some advices here I checked "Activity Monitor" when my fan went crazy again. i found out the latest-updated iTune 8.0 took almost 55% of my CPU-especially whenever I turned on the "Visualizer." as long as I stop using "Visualizer" my fan is back to normal and quiet like a sleeping baby. May I ask is this normal?? Should i take my 4-month-old macbook to apple store for check?

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I have a 2 year old 13" Macbook Pro from 2009.
My macbook pro has alway ran hot as they all do, especially in the top left corner near the escape key where all of the ports are.
Recently, in the past month or two, my macbook has been running very significantly hotter than it has in the past, causing the fan to spin up and draining the battery life. I only get an hour and a half or two of battery life at this point due to the heat. Checking activity monitor, nothing is eating up my processor and I can not seem to track down what is going on.
I know people often complain about temperatures on their macbooks, but there was a sudden change in the running temperature of mine recently. I haven't changed any habits of using the laptop and I don't remember if this started happening after a system update or anything.
If anyone has any idea of what could be causing this or how I can track it down please let me know.
Thanks,
Shawn

Two things to try:
1. SMC reset, Directions are here - note the steps are different depending on whether or not the battery can be removed by the user:
http://support.apple.com/kb/ht3964
2. NVRAM / PRAM reset:
http://support.apple.com/kb/ht1379
These steps are worth trying, although the problem may be deeper.
Please post back with your results.

Help!!! Macbook fan not turning on!

Hello there!
I have a problem with my macbook fans. The fans do not turn on until the computer has been running at 80°C for 5 minutes and only then my macbook only runs at 3000 revolutions. The fans idle is 2000... I know this because I have an application from the mac app store called temp. guage and that tells me temperatures and fan speeds.
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Today I was at the apple store and I did a diagnostic test. The only problem was with my speakers but I did not notice that. Point it the fans were all right in the diagnostic test but in reality the fans are not all right...
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Category: Power
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First thing I would try is resetting the machine SMC.
http://support.apple.com/kb/HT3964

Horizontal lines appear in various programs on macbook pro that gets very hot.

Model Name:
MacBook Pro
Model Identifier:
MacBookPro1,2
Processor Name:
Intel Core Duo
Processor Speed:
2.16 GHz
Number Of Processors:
1
Total Number Of Cores:
2
L2 Cache:
2 MB
Memory:
2 GB
Bus Speed:
667 MHz
Boot ROM Version:
MBP12.0061.B03
SMC Version (system):
1.5f10
Serial Number (system):
W86241X4TJ1
Hardware UUID:
00000000-0000-1000-8000-0016CB902C12
Sudden Motion Sensor:
State:
Enabled
thin horizontal lines appear occasionally across window of firefox, if i switch to finder, not there. appears to stay with windows of different programs.
lately above the keyboard along back edge in the middle under monitor gets very hot almost to hot to touch, uncomfortable on lap.
i have no idea what the memory cards are. some have suggested i should replace memory cards?

I don't really know about the new models as far as typical operating temperatures. The ones you mention are not meaningfully high to me. My 2011 13" MBP with an i5 CPU typically idles near 50º C.
As for the speed issue that is hard to evaluate on the basis of personal opinion. You can download and run GeekBench benchmarks and compare the results to those reported for the same model configuration. You can use CineBench to benchmark video performance.

MY NEW MACBOOK AIR IS HEATING UP AND ITS BATTERY IS DRAINING OUT REALLY FAST

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If you are within the 14 day purchase period you can exchange your MBP for a replacement. If not you can have it checked out at the Apple store genius bar.
CPU intensive applications will place stress on the CPU/GPU which will create heat and speed up the fans. That is normal. If you will, download from the Internet iStat pro and install it. When your MBP gets hot, post an image such as this from mine:
Also open Activity Monitor and set to show 'All Processes' and '%CPU' to display values from high to low. Post that as well like this:
From this information we may be able to tell if there are any issues or not.
Ciao.

Why is my macbook pro 13in heating up every time i play Grid? How can i stop it?

Grid is a race game that you can buy off of the app store and i bought it thinking my macbook would not act the way it did.
The game downloads and i start to play it. After about 2 minuets, the fans kick on and get incredibly loud as the macbook starts to heat up. Whenever i play it, i make sure that all the other applications are closed and that the quality is at the very lowest that it can be at. Still does the same thing.
My mac is less then a year old so I'm guessing its not because of the age.
Why is this happening and is there a way i can get it to stop the computer from overheating to the point that the fans get so loud?
thanks everybody.

There can be any number of reasons, one of which is the game over-taxes the CPU and GPU. Another is that the software is not working properly. Try the following to see what the CPU% is for the game. Contact the game's developer as well. Since this is apparently a software issue that should be your first place to look for assistance.
Pre-Mavericks
Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
Mavericks and later
Open Activity Monitor in the Utilities folder. Select All Processes from the View menu. Click on the CPU tab in the toolbar. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.

15" Macbook Pro Retina running very hot!

Hi everyone,
I got my Macbook in November 2012.
I've noticed recently when I use applications which use the discrete graphics card (Geforce GT 650M), things like Logic Pro X, VLC Player or playing games like Civilization V, the temperatures reach 95 degrees celsius, according to the smc Fan Control app that I use to monitor temps.
I can lift the laptop off my desk, turn the air conditioning on in my room and point a desk fan at the laptop and temperatures still reach around 88 degrees C - and the laptop is hot enough to be uncomfortable to the touch. Heat is centered around the F6 and F7 buttons.
I know Macbooks are supposed to run hot and the case is designed to disappate heat, but it seems too hot to be safe.
If you guys could either put my mind to rest, or let me know if its worth a trip to the Genius Bar.
I'll probably be going anyway because of a problem with one of the thunderbolt ports (flickering image on external monitor and fails to recognise my audio interface) - so will probably raise the issue then anyway.
Cheers!
Josh

The types of applications that you describe and the temperatures that you report is actually 'normal'. They are all CPU/GPU intensive applications that will stress the MBP processing resources thus creating a lot of heat.
Casual web browsing will result in much lower temperatures, probably in the mid 40°c to perhaps to about 60°c. If not, then you do have a problem.
Ciao.

HT1338 my macbook pro has been running hot off and on

My macbook pro has been running hot off and on for the last couple of days

Are you running andy anti-virus or "cleaning" software? Both can shorten battery life and run up the temps.
Take a look at this Apple article:
Runaway applications can shorten battery runtime, affect performance, and increase heat and fan activity
Note in Step 3 you need to make a change if running Mavericks. In Mav, Activity Monitor's "Show All Processes" function moved from the application window to the application menubar:
Setting to "All Processes" is the only sure way to catch some suspects. Not noted in the article is this: AM won't tell you much if you run it shortly after a restart. Use your computer as normally as possible for at least a half-day before running the test. Also not clear is that you should be looking for any process that uses more than about 10 percent of the cycles. I've checked a lot of Macs with AM and, assuming you quit any user applications you started (other than AM) nothing should be a percentage larger than a single digit in a healthy Mac.

MacBook Fans Loud - Heat is HOT - Processor almost 90% Free! What gives?

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