Sound of the fan and temperatures.

I have the new macbook since a month now. I have installed iStat and I see that the cpu is something like 50oC while just surfing or listening to music and the exhaust fan works at 2001 rpm. Is it normal? How about yours?
At 2001 rpm the fan's noise is quite noticable.

I believe it is normal. 50 degrees Celsius is quite cool for a laptop. and your fan RPM is about where mine is and I do not hear it at all. I would have it looked at if it is really that noticeable.

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Desktop has a noise that sounds like the fan

I turned on my IMAC desktop and there is a noise that sounds like the fan. The computer is very quiet till now. What should I do?

LexSchellings wrote:
Yes, I know, but it works as always, there is nothing to make it better; cf Perian.
iStat Pro does not quite work "as always" with newer systems.
For one thing, it may report inaccurate temperatures (& possibly fan speeds), depending on the Mac model it is running on. (For instance, on my system, it tells me the ambient temperature is around 54° F in a room that is actually about 77°.)
The problem is basically that iStat Pro gets temperature & fan speed info by querying the SMC subsystem. Apple has apparently changed the query/response protocols or the SMC hardware itself, so this no longer works as the utility expects.
And Banjo is not as "safe" and digs too deep with core kexts.
Banjo is the new name for the same company that developed iStat Pro & the original & newer iStat Menus programs. My guess is that the latest version of iStat Menus is just as safe to use as the earlier ones.
However, I won't use it for the same reason I won't use MenuMeters: both rely on MenuCracker, a hack to work around Apple's restriction of menu extras to ones Apple develops & distributes as part of the OS itself. Developers are specifically told to use 'Status Items' for their menu bar add-ons, which offer some but not all of the same functionality as menu extras, & do not risk destabilizing the OS or compromising its security.

Fan and Temperature Issues with certain apps

Hi there
I have what seems to be an issue with the cooling on my 2011 Mac Mini where when running some apps the cooling fams for the CPU seem not to kick in.
To give an example I do a lot of online gaming and when playing LoTRO on my Mini when the CPU temp gets to around 78-80c mark the CPU fan ramps up to keep the CPU cool which I guess is normal however yesterday I was doing some audio recording / editing in Garageband and noticed the CPU temp was at 93c but yet the fans hadn't kicked in.
I did a bit of research and installed SMCFanControl to monitor what the CPU fan was doing. Again using LoTRO when the CPU got to around 80c the fans ramped up to around 4800rpm and the temperature lowered yet with Garageband even with the CPU at 91c the fan was only spinning at 1800rpm. I know 90c is still below the threshold of safe operation for the Core i5 2415M CPU (which is 100c) but not by much. This is a real concern for me the hotter the CPU runs the shorter its life will be. It is unfortunate that SMCFanControl is unable to directly control the CPU Fan in the 2011 Mac Mini
Can anyone out there can shed any light on why this is happening?
Jonty

Thank you everybody for your sound advice - Normally John Hammer1 I would agree with you, if OSX can do a task then let it do it and not use 3rd party software, but however in this case I don't think OSX was doing a very good job at cooling the system. To use an analogy you wouldn't drive your car with the temperature gauge constantly near the red line as it would damage your engine. This is how my MM was running when editing (of which I do quite a lot) and having a computer constantly running near its thermal limits isn't doing it any good.
I feel (and have always felt) that my Mac Mini has been lacking in cooling and that whilst the MM is a pretty little computer its performance has always been hampered by its lack of cooling. I'd rather have a bit more noise from the fan and have a more efficient computer.
I have installed Fan Control 1.2 and so far it is doing its stuff ok. Like den.thed I'm a bit old school, I usually keep my Macs for around 4-5 years and I want this one to last.
Again thanks everyone for your advice.
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Fan and Temperature Issues

Hey everyone,
Recently my fan started getting pretty loud. I opened up the back of my 2009 13" Macbook Pro and gave it a through and through with a compressed air canister, I also unmounted the fan and shot some compressed air into it as well. Now I'm kinda worried, because that only kinda dulled out the noise a bit, and the internal temperature of my CPU is getting a little too hot for comfort(100 C and up). The problem isn't so much the temperature, but the fact that in response to these high temperatures my fan is consistently at a MAXIMUM of 1500 RPM according to SMC Fan Control. Even if, using SMC, I set the minimum fan speed to 4000 or 6000 RPM, my fan just stays at consistently low speeds. Would opening up the fan itself and cleaning/lubing solve the problem or should I just replace the fan altogether?
Thanks in advance

Im having a similar problem with my late 2009 Macbook (white). All of a sudden the fan has been acting up, making uneven and inconsistent whirring sounds. At first it didnt happen right away but now it pretty much starts acting up within 10 minutes of turning on. I downloaded smcFanControl and learned that at some points CPU was in the 90C range and the fan would jump between 0rpm to 1500rpm. I turned it off for an hour or so just now and it's been at a solid 42C and 1999rpm for about an hour now... like i said it's REALLY inconsistent.
based on what i read i guess i dont have to worry about the temperatures so much with this model? I havent gotten past 94C just yet.... Is the best thing to do just replace the fan? Im not sure that would even solve the problem and I'd like to be sure before i spend a cool (har) $100 on something that wont work.
Do laptop coolers help at all? Is there one you guys would recommend for this kind of thing? I just dont want this to be the second hard drive to FRY on me because of a lousy fan.
plus i'm a student, this laptop needs to last me at LEAST 2 more years.
thanks, any temporary fixes would be nice too.

An install started about 12hours ago only sign of life is the sound of the fan. Is this normal?

My computer started an install 12hrs ago. The only sign of life is the sound of the fan. There is no response from the track pad or keys. Is this normal

what were you installing. Everything is black but the fan? if you unplug the power cord what does it do when you hit the battery indicator button either on the left side of your mbp or on the bottom on the battery (big metal thing next to a line of small dots (leds).
What model identifier number is your mbp and what ghz is it, so on. RAM, processor.

IMac froze while surfing web last night (color pinwheel), I forced quit and now when rebooting the fan and chime come on, the monitor stays on grey and the apple sign is replaced by a stop sign and I can't get past this, is there self fix? Never backed up

iMac froze while surfing web last night (color pinwheel), I forced quit and now when rebooting the fan and chime come on, the monitor stays on grey and the apple sign is replaced by a stop sign and I can't get past this, is there self fix? Never backed up.
The computer (top / back of monitor) gets really hot within minutes.

How old is the iMac?
With no backup, you have probably lost all your data.
Sounds like serious hardware problem for which you are going to have to take it to Apple for an estimate of repairs.
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Re: New X230T: Weird sound from the fan when it accelerates

http://forums.lenovo.com/t5/X-Series-Tablet-ThinkPad-Laptops/New-X230T-Weird-sound-from-the-fan-when...
Dear moderator andyP,
the above post was ment to be a standalone post so it could get some more attentions by the Lenovo associated guys so they would see my wish and maybe do bios update! So i don't thank you for moving!!!
Regards,
achim1989
Moderator Note; included link to relevant post
Using x230t (i5-3320M, 8GB RAM, 256GB SSD, 80GB mSata-SSD) and loving it!
"I may not own the world but I own my mind and therefore the world is at my feets." (me)

Please re-read the forum guidelines, it states clearly;
"Before creating a new thread, search the appropriate section of the forum first for any existing and related threads. It may be more constructive to all, to advance the knowledge of an existing thread than to create a possibly redundant one."
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My macbook pro won't stop making noise! It sounds like the fan but I'm not sure. Any ideas?

my macbook pro won't stop making noise! It sounds like the fan but I'm not sure. Any ideas? It's really worrying me because I haven't had it for up tp 2months and last week everytime I switch it on it makes sooo much noise. And I treat like an egg so I don't understand whats going on.

Hey,
My friend had a very similar issue to yours. The issue came down to the pins of the MagSafe not meeting with the MacBook perfectly causing the lights and the transfer of power to be wacko. I'm not sure if this is issue that your experiencing, but its worth checking out the pins and the MagSafe area on your MacBook for debris.
Troubleshooting Magsafe power adapters with stuck pins
If that is all clear, then I would suggest you call AppleCare or take it in to an Apple Store to have it checked out.
Tom

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i just update my iphone 4s to ios 7.0.4 and update my macbook pro to ios maveric. Now, my iphone 4s does not sound form the speaker and the volume button up and down also does not work.I could hear the sound through the earphone. Also the airplay disapear. Please advice how to downgrade to the previous OS

Please try going to your settings area of your display. Click on General and go to 'reset all settings'
Good luck!

Qosmio X500-135 - I need a new the fan and keyboard

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The problem is that I don't know what fan or keyboard (nordic) is actually compatible with my laptop (product number etc) .
So what fan and keyboard I'm I actually suppose to get for my laptop?

You can you any keyboard which was released for the Qosmio X500 series.
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Do you know the contact data for ASP available in your country?
In case you need the contact details, check this page:
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When I turn on a video the screen on my MacBook Pro freezes. I've been through Apple Care and they couldn't fix the computer. I think the fan and the graphics are the problems

When I turn on a video the screen on my MacBook Pro freezes. I've been through Apple Care and they couldn't fix the computer. I think the fan and the graphics are the problems. I can restart after two attempts. Sometimes I use SAFEBOOT

Please advise the model MBP you have and the OSX you have installed.
Also try a SMC reset:
http://support.apple.com/kb/ht3964
Ciao.

Need help , when we turn on the mac i can hear the fan and there is a picture of the world flashing for about a minute or 2 on start up . But the fan I can hear non stop ?

need help , when we turn on the mac i can hear the fan and there is a picture of the world flashing for about a minute or 2 on start up . But the fan I can hear non stop ?

A flashing question mark or globe appears when you start your Mac

The fluke 2625A I am still having problems arraying the channels and temperatures.

In the example program I canot array the channels and temperatures. All I can read is one channel at a time.

Joey,
I took a look at this instrument driver, and it appears that there is not a built-in function that allows you to read multiple channels at the same time. You will need to have multiple subVIs read channels individually, then build those values into an array of all the temperatures. This is the only way I could find to get an array of your temperatures after my cursory glance of the driver.
Good luck with your application, and have a pleasant day.
Sincerely,
Darren Nattinger
Applications Engineer
National Instruments
Darren Nattinger, CLA
LabVIEW Artisan and Nugget Penman

A520 Speaker is only playing sound on the subwoofer and 2 other speakers

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I checked on Creative's support site and search for A520 and this is what I found http://support.creative.com/kb/ShowA...aspx?sid=64705
I think because your source is stereo that's why you are only hearing sound from 2 speakers and the subwoofer. You will need to enable virtual surround in your sound card to be able to get all the speakers playing I think.
You can do a speaker test by going to sound, playback devices and click on configure to test the channels in Windows.

Compaq presario cq56 black screen on boot up after replacing the fan and keyboard

Hi the cpu fan on my computer died, so we replaced it and i took the opertunity to replace the keyboard at the same time.
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Hi @carriebevan
Welcome to the HP Community! I saw your post regarding the problem with the notebook going to a black screen after replacing the fan and the keyboard. To be honest with you there isn't a whole lot that I can do for you in this manner. Try seeing if you can get into the operating system using Safe Mode. If you can then we can look at a couple of things.
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

Sound of the fan and temperatures.

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