Why does the fan run for long periods on macbook pro

why does the fan run for long periods on macbook pro?

to keep the internal components of you mac at a safe operating temperature.

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Those chat images only work with iOS based devices. If they're being sent to someone without an iOS device, it will go through as an ASCII character.

Why does the fan run and the bottom of the computer get very hot?

The computer didn't used to do this (it is only about 15 months old). Lately the fan will run and the computer will get hot on the bottom of the case. Any suggestions as to cause and what I should do about it?

Read through this:
http://support.apple.com/kb/TS1473

Why does the hard drive keep crashing on 2009 MacBook Pro?

We are now on the third hard drive, the second in 5 months. The problem started after I dropped book on it, but no repairmen have suggested that has anything to do with it.

drop your books on it and you can crash your armature heads in the HD, ....HD are fragile.
I assume the first one died of age.....second from the book drop.......and the third?
endlightend
Hard drives don't fail often, but they do occasionally
They fail, and often, and new ones fail a LOT more than older ones (sounds silly, but logical)
Hard Drive Warning (all makes and models)
Ironically but logical, new hard drives are far more fragile than one that has been working for several months or a couple years. So beware in your thinking that a new hard drive translates into “extremely reliable”!
Hard drives suffer from high rates of what has been termed "infant mortality". Essentially this means new drives are highly prone to failing in the first few months of usage. This is because of very minor manufacturing defects or HD platter balancing, or head and armature geometry being less than perfect; and this is not immediately obvious and can quickly manifest itself once the drive is put to work.
Hard drives that survive the first few months of use without failing are likely to remain healthy for a number of years.
Generally HD are highly prone to death or corruption for a few months, then work fine for a few years, then spike in mortality starting at 3-4 years and certainly should be considered end-of-life at 5-7+ years.
The implication of this is that you should not trust a new hard drive completely (really never completely!) until it has been working perfectly for several months.
Given the second law of thermodynamics, any and all current mfg. HD will, under perfect storage conditions tend themselves to depolarization and a point will be reached, even if the HD mechanism is perfect, that the ferromagnetic read/write surface of the platter inside the HD will entropy to the point of no return for data extraction. HD life varies, but barring mechanical failure, 3-8 years typically.

Why does the keyboard randomly stop working on my macbook pro in Firefox?

It just happens randomly and only in Firefox. If I close out and reopen Firefox it works again. (On the beta update channel version 37)

it will happen cause it is the beta version so it will happen until it is fixed''dmetre [[#question-1051346|said]]''
<blockquote>
It just happens randomly and only in Firefox. If I close out and reopen Firefox it works again. (On the beta update channel version 37)
</blockquote>

Why does the payment screen for the creative cloud change from english to portuguese?

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Why does the file Name for file attached with Annotations "Attach File" (paperclip) become Unknown when Comments are Published?

Our company recently purchased Adobe Acrobat Pro XI for the purpose of using it for shared electronic reviews. We are using Send for Shared Review created in Adobe Acrobat Pro XI, and all the Comment tools work as expectedexcept the paperclip in Annotations.
When a Word or Excel or Image(png,jpeg) file is attached using the Annotations paperclip, the initiator can initially see and open it. But after Publish Comments is selected and the review file is closed, the file "Name" changes to "Unknown" (although the Description has the correct file name and extension). The Modified information is Unknown, as is the Size and Compressed Size.
When the review file is then re-opened, even the initiator cannot open the file, although:
The file location is marked with the paperclip within the document.
The file name is shown in the Comments List with the initiator's name.
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The file Name cannot be edited, although the file Description can be.
We have followed the procedure described in the tutorials but cannot figure out how to troubleshoot this situation. Since this feature was the reason for the purchase of Adobe Acrobat Pro IX, we would any help. Please don't leave out any basics since we are all new users.
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FYI Rave,
There are some other forum entries with this exact same issue...:
Cannot Open Attachments in PDF
Why does the file Name for file attached with Annotations "Attach File" (paperclip) become Unknown when Comments are Published?
Can someone help us get the COMMENTS ATTACHMENT TOOL to work as described in Acrobat Pro XI?

Why does my Adobe Audition keep crashing on my MacBook Pro?

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Hi,
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Does the MS Office come already installed with Macbook Pro, coz i dont seem to find it my Mac? Kindly advise. Thanks!

Does the MS Office come already installed with Macbook Pro, coz i dont seem to find it in my Mac? Kindly advise. Thanks!

No it doesn't. You need to purchase it from Microsoft.

Why does the fan stay running?

Why is my fan running continously ?

If it seems abnormal, did you install anything new since it began?
You might consider a SMC reset: http://support.apple.com/kb/ht3964

Why does the fan constantly run

my fan on my macbook pro is constantly running today? any answer as to why

Hi Julian,
MBPs run very warm. The fans run to cool the CPU etc. The warmer it gets on the outside, the harder it is to keep the inside cool. There can also be issues causing the MBP to run warmer than usual.

Why does the fan of my Satellite A500-19W acts weird?

I bought this computer one week ago. I have Windows 7 64 bit. When i surf the net or watch a movie or play music the fan starts for 2 minutes, than stops for 2 minutes than starts again. It's a cycle that never ends and the sound of it annoys me, making me think something is wrong. The computer is not hot other than the vent area. It can't be filled with dust since it's brand new. Is this normal? Should I be worried?

Hi,
My satellite A500 also acts like this, even if I surf the Internet, watching movie and CPU shows only 5%. I don't play games at all. It's not because of dust because I clean it regularly, installed all drivers, bios updated. Mostly, I run it in Power Saver mode but still makes noise.
The only way to make it less noisy to run the fan at constant speed like 54%, I just load the CPU with some applications that keeps fan running almost everytime and no annoying noise noticable

Why does the fan come on

Can someone please tell me why the fan sometimes comes on (G5 iMac - desktop1.6Ghz ) and is it a bad thing?

The fan comes on when the unit heats up enough to require more cooling. The fan is actually always on–what you hear is the fan running faster, thus noisier, as the unit requires more cooling.
It is not a bad thing. It would be bad if it didn't come on and your computer melted because of the extra heat.

In the apple mail program,mail I try to send sits in the out box for long periods. How do I get it sent quicker?

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OS X Yosemite : Using Mail
MacBook Pro
http://www.apple.com/support/osx/mail/
Mac Basics: Use Mail on your Mac - Apple Support
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http://www.amazon.com/OS-X-Yosemite-Missing-Manual/dp/1491947160/
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Why does the ProTranscoderTool_sb run amok?

Every time I open iMovie, when iMovie loads, after a few seconds the fan comes on, and I know something is not right. With the Activity monitor I discovered that the ProTranscoderTool_sb uses up anywhere from 110 to 166 % (!!!) of the CPU capacity.
My questions are:
1. What does the ProTranscoderTool_sb do?
2. Why is it in overdrive all the time?
3. How can I stop it from doing this?
MacBook Pro, 10.9.2
Thanks,
Klaus

It is creating ProRes versions of your clips in the background. If you have recently imported a lot of clips or updated a lot of projects from iMovie 9 there will be a large backlog of transcoding to do. Best to let it run while you are away from your computer for a few hours.
Geoff.

Why does the fan run for long periods on macbook pro

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