Fan is running loud on macbook pro why

my fan started running loud lastnight, is anyone else having this problem?

Me too,,,,brand new MacBook Pro. Told to reinstall the op system. Haven't done it yet.

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Fan is always running loudly on Macbook Pro

I've had my Macbook Pro for just over three years now, and I haven't had a problem with the fan before now. A month or so ago I started noticing the fan was always on a constant hum, not so much that it was a problem, but just present. I figured I was just doing too much with it, even though I don't use much other than word, safari, and iTunes. Over the last couple weeks, however, I've noticed the hum just getting louder constantly. I've tried restarting the computer several times, and I can usually go about 10 minutes after that without the fan being loud, sometimes less if I try to play a video.
At this point there are times when it literally sounds like there's a motorcycle in my laptop, and I can feel a vibration when I type. However, I got a monitoring app and it says the temperature and fan speed are both at a normal temperature. I'm not sure what this means for my laptop, and I really want to fix this problem.
Any thoughts?

First try a SMC reset:
http://support.apple.com/kb/ht3964
If there is no change, open the MBP and look inside. Your MBP may very well have dirt and debris that needs to be cleaned out.
If that is not the case, run an Apple Hardware Test:
http://support.apple.com/kb/ht1509
Note that an error free AHT is NOT definitive.
The last resort is an appointment at an Apple store genius bar for a free evaluation.
Ciao.

Fan problems, running asymmetric with macbook pro early 2011

With Yosemite I have found that the fans are running asymmetric. With a any program running, the control of the fans run without any sense. I´ve tried to reset SMC, reinstall OS X 10.10, use some fan control software, uninstall all fan control software (FanControl 1.2, smcFancontrol, Macs fan control, etc), and nothing is working. When I install a fan control software, I can control left fan but not right one.
I own a macbook pro early 2011
Thank you for the help.

You might consider that it's a hardware problem and not necessarily the OS.
Perhaps malfunction of the fan with installation of Yosemite is mere coincidence, perhaps it went wrong with the increased speed/runtime one sometimes sees on a laptop during a big install.
Could be worthwhile to have it looked at by the folks at the Apple store.
The laptop is 3 years old, after all, and sometimes fans go bad.
Good Luck!

My macbook pro keeps zapping me. even when the charger is not plugged in, my hands keep feeling tingly and the fans are running louder than usual

over the last two days since i updated my software, my laptop seems slower, the fans are running louder, and i keep feeling mild shocks (even without the charger). my hands feel really tingly and a little sore. what is going on?

cheesecakeyumm,
have you tried resetting your MacBook Pro’s System Management Controller? (I don’t know if that would have any effect against mild shocks, though.)

I can hear a loud 'CD spinning/fan like' sound from my MacBook Pro intermittently. Definitely not the audio as i muted it. No CD either. And I don't have any

I can hear a loud 'CD spinning/fan like' sound from my MacBook Pro intermittently. Definitely not the audio as i muted it. No CD either. And the only programs running are words, safari and mail.

It sounds like the fan but this is the first time I hear it in the past 6mths using this Mac. If its the fan, shouldn't the sound be there all the time and not intermittent?

HT4818 Why is that window 7 run with my MacBook Pro have no audio and sound?

Good day everyone,
Why is that my 'Window 7 Ultimate' run with my MacBook Pro have no audio and sound?
I've successfully install it with Bootcamp 4.0.
Does anyone know what's wrong? How to fix it?
Thanks.

Good day everyone,
Why is that my 'Window 7 Ultimate' run with my MacBook Pro have no audio and sound?
I've successfully install it with Bootcamp 4.0.
Does anyone know what's wrong? How to fix it?
Thanks.

Every time i try to download updates i get an error and told to restart my macbook pro. why? what to do?

every time i try to download updates i get an error and told to restart my macbook pro. why? what to do?

This is a rare error, so excuse me if I ask some basic questions:
1. Do you update your Apple software through the Software Update pulldown menu? If not, I'd suggest doing that.
2. Do you perform diagnostics? If not, you can perform a Permissions check by going to Applications/Utilities/Disk Utility and running it.
3. Do you perform other diagnostics? Download Onyx to your Mac, and perform a full diagnostic on your machine. You'll need to reboot.
4. Have you tried to download updates individually from Apple? Not the perfect solution, but there's a good chance it will work.
5. Have you used Terminal? If you go to Applications/Utilities/Terminal, type "sudo softwareupdate --install --all", and enter. Software Update should work.
6. If all fails, consult help at your Apple Store, if there's one nearby.

Java will no longer run on my MacBook pro since I updated my java

Java will no longer run on my MacBook pro since I updated my java - what the heck is with that? When I try to do as suggested and go under Java preferences it wont allow me make any changes this is the error message I get "Cannot launch "java preference" no compatible version of Java 1.5 + is available."
Then it gives the option to open java preferences or quit. It will only allow me to quit as it won't open java preferences. Stupid updates!

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.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
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 (command-V).
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.

Running an old MacBook Pro 2.5ghz core 2 Duo. Battery went chemical meltdown and expanded out of its housing. Removed it and was running off the power cord. This worked for a while. Now it won't start up. Have a Replacement on order. Is there a bigge

Running an old MacBook Pro 2.5ghz core 2 Duo. Battery went chemical meltdown and expanded out of its housing. Removed it and was running off the power cord. This worked for a while. Now it won't start up. Have a Replacement on order. Is there a bigger issue or does a battery need to be in the compartment to boot up? Appreciate any help. Thanks.

Working battery needs to be in for the computer to function.

HT1338 Facebook doesn't open in safari on my MacBook Pro, why? Sometimes it opens and aftersome time just hang on and after that doesn't open at all.

Facebook doesn't open in safari on my MacBook Pro, why? Sometimes it opens and aftersome time just hang on and after that doesn't open at all.

There seems to be a few bugs with iCloud Mail at times, so send Apple feedback. They won't answer, but at least will know there is a problem. If enough people send feedback, it may get the problem solved sooner.
Feedback
Apple support article, but I don't think it really addresses your problem.
iCloud - Mail Troubleshooting

Safari Update 8.14.14 causing fan to run loud?

I just did the update for Safari 7.0.6 on 8.14.14 and now it appears that my computer fan is running a lot louder after I did this update. I know that it is not the fan not working correctly or the vent is clogged because I am using Chrome right now to type this message and the fan is running normally. I am wondering if others are having problems with this new update and/or how to solve the problem of the latest Safari update causing the fan to run louder.
Any advice would be appreciated.

Extensions and plug-ins can increase fan speeds not just the browser itself.
From the Safari menu bar click Safari > Preferences then select the Extensions tab. Turn that OFF, quit and relaunch Safari to test.
Check the fan noise. If it decreases, turn extensions back one at a time to test until you find the culprit.
If it's not an extensions issue, try troubleshooting third party plug-ins.
Back to Safari > Preferences. This time select the Security tab. Deselect: Allow all other plug-ins. Quit and relaunch Safari to test.
If that made a difference, instructions for troubleshooting plugins here.

HT1349 When I start my I Mac desktop the fan keeps running loudly. Can't get it to turn off.

When I start my I Mac desktop the fan keeps running loudly. How do I get it to stop?

Hello there, Jacquefromaz.
The following Knowledge Base article reviews the steps to perform a reset of the System Management Controller (SMC):
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/ht3964
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

Only one of my fans are working on my macbook pro retina 13 inch late 2013 model. Is something wrong?

It appears that only one of my fans are working on my macbook pro with retina display 13 inch late 2013 model. Is some thing wrong? if so how can i fix it?

To my knowledge there is only one fan on all 13" Mac notebooks, Retina or standard screen. Not enough space for a second fan and no Discrete GPU to cool.
So nothing is wrong.

Application very slow to installing on macbook pro , why?

application very slow to installing on macbook pro , why?

Spider.007 is correct, here is my current setup:
NAME FSTYPE LABEL UUID MOUNTPOINT
sda
├─sda1 vfat EFI 70D6-1701
├─sda2 hfsplus Macintosh SSD 956c7127-1bde-348b-9fb5-1b79cd05a4ad
├─sda3 hfsplus Recovery HD 4fa05f80-9ed0-3fc2-82eb-dbd6e4bd4b12
└─sda4 ext4 f741fbee-f3b0-4a95-b9b8-f35f4b4c28af /
sr0
Last edited by SilverOne (2014-05-04 01:12:50)

What is the best program to run on my MacBook Pro to clean it up?

can anyone tell me what the best program to run on a MacBook Pro to clean it up, make it run faster?

When you next have the problem, note the exact time: hour, minute, second.
If you have more than one user account, these instructions must be carried out as an 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. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
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 (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. In most cases, a few dozen lines are more than enough. It is never necessary or helpful to post more than about 100 lines. "The more, the better" is not the rule here.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.

Fan is running loud on macbook pro why

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