Is it bad to have the fan running loud all the time

the fan on my macbook runs loud and long at times. is this bad for the machine?

Is it possible to have 2 threads running at the same
time at different times eg 1 repeats every 20
miliseconds and the other 40 for example. Yes.
http://java.sun.com/docs/books/tutorial/essential/concurrency/index.html

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Will running games that make the fan run loudly and the computer heat up damage my machine?

On my Macbook Air running Yosemite 10.10.3, with 4 GB RAM, 251 GB storage (170 GB free), a 1.6 GHz Intel Core i5 processor, and Intel HD 6000 1536 MB graphics card, when I play games such as Batman Arkham City, I experience very smooth gameplay with high fps. The only thing that worries me is when I play, the laptop heats up very much and the fan runs pretty loudly. Even with old, less intensive games like GTA SA, the computer gets pretty hot and the fan runs loudly. Is this damaging the computer, or can I continue to play these games?
Thanks.

Yes you can continue to play games but heat is the bane of electronics and in time there will be a cost. When is hard to say, but I can put it this way, a fan running constantly at high speed is more likely to fail sooner than one at a slower speed.
Ciao.

HT4528 I just got a replacement iPhone 4s and i let the battery run down all the way before charging it and now that i have put it on the charger it won't turn back on or show any signs that it is charging. its just a black screen. how do i fix it

just got a replacement iPhone 4s and i let the battery run down all the way before charging it and now that i have put it on the charger it won't turn back on or show any signs that it is charging. its just a black screen. how do i fix it

Keep iPhone on wall charger for ten minutes, it may turn ON itself. If still nothing, keep on charger and Reset, hold both home and power buttons for about 20 seconds until the iPhone begins to respond.

New MBP seems to run hot & fan runs almost all the time

I've had my MBP for just about a week now. It's the new, 15", 2.2 GHz model. It's great, but I notice that it runs hotter than my Powerbook G4 did and the fan is almost always on. It's presently sitting on a wooden topped table. My house is not AC-ed, but the air temp is about 70 F/21 C today. Seems to run hot in my AC-ed faculty office too, when I am there. What is "normal" for this machine. TIA.

David,
Ditto what Ned says. To be sure, 80 C is not too hot (it is the temp that the MBP is designed to maintain as a working maximum), but that you are experiencing this temp at all times indicates that something is pushing the processor at all times.
That is not normal. As has been suggested, have a look at Activity Monitor. If you are not doing anything of any consequence at the time, your CPU usage should be very, very low, and processes that you see using CPU intermittently (there will be many of these processes) should only use a small percentage when they use any at all.
Scott

I've got a mac pro problem with the starting up, but also a red light on the logic board solidly on. Its not among the diagnostic led. It's located near the BT adapter and the front fans. Also the fans run loud also. any solutions?

Hi
I've got a mac pro late 2006, and i am having problem with it for quite a while now. the problem i am facing is the start up process, and the red light on the logic board. Earlier I've got the two led on the diagnostic leds 5 and 6 turned on without the diagnostic button being pressed, and i think those are related to the processors overtemp. I've managed to solve that by, removing the processors and re applying the thermal compound on the heatsink. what i have left now with is the red light on the logic board at the time i plugged in the power. At the same time when this light come on, the power indicator at the front panel come on as well. i am not sure what is this light relates to. We've replace the power supply too, and gone through the SMC reset but seems no help.
Any idea on the problem? I am desperate about it, and i will be greatful if anyone can help..
thanks and hope for your best solutions
Kari

I can't help directly with your problem but you might check here http://tim.id.au/laptops/apple/macpro/ for a service manual which could answer your question.

Does my library computer have to be running iTunes all the time?

I was able to get home sharing set up, but unless I keep iTunes running on the computer my library is on, the other computer can't see the shared library. Any way around this, as I really don't feel like keeping iTunes running on my machine all the time?

I'm with Limnos. In my experience, iTunes has to be running on the computer you're trying to share from. (It's okay if it's minimised, so long as it's on.)

Do you let the battery run down all the way?

I recently purchased a iPod 5g. The first thing I noticed is that the instructions said nothing about letting it charge before using it. That's fine, but I had a question.
Do you let your battery drain down low before charging it again? Just wondering the best way to get the most of my battery.
Happy Christmas !

Hello!
I recommend you read this link: http://www.apple.com/batteries/

My Fan is running loud all the time without CPU-Stress

at the sms Fan Controll Tempreture 51, 1999 rpqm-using only Safari- in the activity window CPU 7%-No other Pocesses!!!

if i delete everything on my HD- ibecome this information from the HD-Programm:
Free 499,552 MB
occupied 448 MB
i deleted my computer 3 times at the highest security option 3 or 4 hours!
Althouogh i delete everything- the 448 MB cannt be removed and Fan is running without lion or any system!
before the trojaner i hadnt any problem!!

Is the Time Capsule suppose to sound like a whirring fan - really loud all the time?

My newly purchased time capsule is sounds like a loud fan! Is that normal?

No. It should be nearly whisper quiet when operating. It may be that you have a defective unit and I would recommend returning it for a replacement.

MacBook (2008) fans running most of the time

Hi!
I have a late 2008 white MacBook. Recently, my MacBook's fans have started to run almost all the time, even when usage isn't very heavy. Currently, as I'm writing this post, they are running at 6115rpm, CPU is at 69 degrees, Airport card at 61 degrees, and CPU usage is constantly at around 40%. I have a messaging programme on, I am writing this post and watching a Youtube video at the same time, which doesn't to me seem to be particularly heavy usage. However, the fans are constantly running.
The fans kick in pretty much instantly these days, whenever I play a Flash game, watch a video or do Skype. Not forgetting a combination of browsing and messaging.
My question is: is this normal? I understand that as MacBooks go, mine is starting to get a little old. However, it is in stellar condition, and the battery health is still at 90% with 671 cycles. Is there anything I can do? I want at least another year or more of quality life out of my MacBook until I plan on buying a new one, and am willing to try saving the fans on my MacBook!
Any help is much appreciated!
-T

Hey Tiia Hurri & welcome to the forums.
It's absolutely normal for your fan to kick in very quickly if you're video chatting or viewing any kind of Flash content. You'll probably see a higher CPU temp as well--all normal.
Your computer only has the one fan. You're doing a very good job by keeping an eye on the temperatures. You probably have nothing to worry about unless you notice the fan has stopped coming on or you see it running when you having nothing CPU-intensive going.
Unfortunately, YouTube does fall under that "CPU-intensive" category. My fan kicks in whenever I watch a YouTube video.
I wouldn't worry about getting another year out of the computer--it sounds like your machine is doing very well & that should continue for a while.
The one thing to watch is your battery's health--anything over 300 cycles can mean your battery will abruptly stop working, so keep an eye on this.
~Lyssa

Is it better for your battery if you let it run down all the way and then charge it? Or to charge it whenever you have the opportunity? Which is better for the life of the battery?

I was wondering it the life of the battery would last longer if you let the battery run down all the way and then charge it? Or to charge it whenever you have the opportunity even if it doesn't have a low battery? Which is better for the life of the battery and prolong the life of the battery?

I've had a iPhone 4s since March 2012, and it's battery is pretty useless now. I was using the app Battery Doctor (Battery Saver, Battery Life) by Beijing Kingsoft Internet Security software, which encourages the user to charge more often, whenever battery life drops below 100% full and greater than 20% full, and gives ratings according to the number of full, partial & overcharges done, but I'm concerned that charging like that actually results in worse battery life??
I now have an new iPhone 5 and don't want the battery to only last as short as the last one did
Any advice/comments please

I have a macbook pro with OSX Mavericks 10.9.5 and some keys that are not working. Specifically, the enter/return button, the "p", "0", ";", and all the function keys. What's really weird is that happens randomly. I've never spilled anything on it

I have a macbook pro with OSX Mavericks 10.9.5 and some keys randomly are not working. Specifically, the enter/return button, the "p", "0", ";", and all the function keys. What's really weird is that happens randomly. I've never spilled anything on it, and I can't for the life of me figure out how to fix this. Can anyone help? of course this happened after my warranty expired.

**update**
I don't know if this will help someone but I am posting this for that purpose. In the past when I first had this problem, I'd read a post somewhere (sorry, long ago, don't have the link) where an individual was having the same problem and they stated that when the MBP got heated, that's when the keys would stop working, and they went into the MBP and jiggle some stuff around (a specific wire, I'm not electronically inclined so I know NOT of what they spake!). Well I didn't want to do that but it always stuck in the back of my mind. I had given up, really, and was planning to take my MBP to the apple store. But by chance one night I left my MBP on the floor where it's cool, and when I turned it on, the problem went - poof! It seems there was some validity to the post that spoke about heat, because my problems started when I would stream foreign dramas on my MBP for hours at night, and I would hear the fan going off all the time, and in the mornings, my "p", "enter", "0", ";", and all the function keys would stop working.
So, maybe try keeping the MBP in a cool place when it's off. Since I've started doing this overnight every night (keeping it on the cool floor, out of reach of any big feet), I have not had a single problem with my keyboard.
Hopefully this might help someone.

Mac Mini fan running loudly after Safari upgrade

Mac Mini 2GHz is around 2 months old. All been fine until yesterday. When running Safari (it seems) and not necessarily heavy usage fan starts runningvery loudly. In the previous 2 months NEVER heard the fan or at least it's been very quiet, so am quite concerned. It appears that this has coincided with updating to the very latest Safari release 3.1.1.
Anyone else having similar problem and/or advice?
thanks
D

The new Safari release supposedly has some issues with Flash media files and with Windows Media files -- and will require updates of the helper programs that display those formats.
Does the fan run loudly when you visit sites with such files? Or does it also run loudly if all you visit is sites with no video files on them?

Why is my macbook pro's fan so loud all of a sudden since update 10.9.5?

So usually with my nice macbook pro retina 15 inch, I can play 4k videos with no problem and the fan has always been quiet. Now ever since I downloaded the new update, my fan is so loud! Any ideas? And yes I have enough ram and space left for proper use. Update 10.9.5 *****!

Both watching videos and running Chrome will heat up your machine. As your machine heats up, the fans will run faster to help could down the machine. I've not heard of 10.9.5 making the fans run faster or the temperatures climb, so I have to say that what you're experiencing is PROBABLY normal.
Use the trial version of iStat Menus 5 to monitor your temps and fan speeds. If the machine seems abnormally hot, take it to an Apple Store or an AASP and have the techs look it over.
Good luck,
Clinton
MacBook Pro (15-inch Late 2011), OS X 10.??, 16GB Crucial RAM, Crucial M500 960GB SSD, 27” Apple Thunderbolt Display

Is it bad to have the fans running?

Is it bad for my macbook pro to be playing counter strike source for long amounts of time which makes the fans run this whole time?

If the fans are running, then it is unlikely to overheat. I would be worried if it was getting hot and the fans DIDN'T come on. So I think they are doing what they were designed to do.
As the other poster observed, the real issue is WHY are the fans running all the time? Are you running some apps that are heavily stressing the CPU?
Open Activity Monitor (In your Utilities folder) and click on the CPU column so that the highest percentages are at the top. What processes are at the top, perhaps at 100%?
Cheers!

Is it bad to have the fan running loud all the time

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