MacBook :: Fans Running All The Time - Heatsink Minus One

Aug 6, 2009

For the past couple of weeks I've noticed that my old white macbook is running hot, and browsing has been kind of slow. I don't see anything out of the ordinary in the processes, but Heatsink A is reading -1. Should I just pull the machine apart and see if something isn't connected anymore? I installed a 7200 RPM HD a few months ago, but this problem is more recent.

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MacBook Air :: Fans Running All The Time

Jun 25, 2012

why is my mackbook air fan running all the time?

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MacBook Pro :: Fans Running High All Time

Feb 24, 2012

Last summer my MBP 2.3 GHz C2D was heating up so much, you barely could touch it. So I decided to give it a little hardware checkup. Finding the fans completely stuffed with dust

But after a while i recognized that the fans went on high rpms (around 6000) already at startup and did not lessen anymore. I do not have any high capacity processes running and the temperatures are not just not warm buth rather chilly, so no need for high fan speed. Now I want to solve this problem as well but seemingly nothing will work.

[code]...

Info:MacBookPro, Mac OS X (10.7.3)

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PowerPC :: Fan Always Running, HD And Heatsink REALLY Hot?

Apr 26, 2009

I got a Powerbook G4 12" from my cousin, and the hinge was all beat up. The screen wouldnt work, although it did turn on fine(fan running and HD clicking). So we took it apart, and found a broken wire in the hinge, and replaced it, and now it works. But, after using it for a while, the fan was on full blast, and wouldnt turn down. Since it was still apart, we took off the top, and the HD and heatsink were encredibly hot(i probably would have burned my finger if I kept it there long enough). I know that it will get a bit hot, but nothing should be running at that temperature. What could cause this?

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MacBook Pro :: Why Fans Running So High?

Dec 25, 2010

Both of my fans are running at the max 6200 RPM and have been for well over an hour. My CPU is over 65% idle, and none of my processes are over 20%. My HD Temp is 38 degrees and my CPU temp is 72 degrees. I don't think my fans should be running this high considering the computer is doing so little work.

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MacBook Pro :: Fans Running More And Bit Louder

Apr 15, 2010

I own a Macbook pro 17" core duo 3.06Ghz. I am very happy with the machine, but since a few months the fan's are louder and on much more often then ever before. (the first half year it was always silent) I remember there was some reset for this.

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OS X :: MacBook Pro Shut Down But Fans Still Running

Aug 23, 2010

Like 3 days ago I shut down my macbook pro normally. I closed the lid and I noticed that the sleep indicator light was on. I opened the lid and the light went off. I closed the lid again and the light went on again. I got closer to the computer and the fans and drives inside were still running. The only thing I did was to hold the power button down until it shut. This has happened to me 3 times already. I'm kind of worried because I got the computer 2 weeks ago and I'm really happy with it. My computer is a 2010 13' Macbook Pro running Snow Leopard, not sure what version it is.

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Macbook Pro 4.1 Fans Running Constantly

Apr 21, 2012

I've just bought a second hand macbook pro, the battery is dead which is easy to replace i guess but worse the fans are running constantly at around 6000rpm.I've tried resetting the smc and pram but that hasn't helped.I tried to run the hardware diagnosis but that freezes when it gets up to testing the logic board and i have to pull the power adapter to turn machine off.I only have the second of the two install dvds and machine is running os x 10.5.8

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MacBook Pro :: Fans Too Noisy - Running At 2K RPMs

Apr 12, 2012

My fans have always been running at 2000 RPMs. I downloaded an app from the mac app store which caused the CPU to overheat, and in order to control this I read that it was wise to download smcFanControl. I downloaded this and added 2 settings, 2.4K RPMs and 2.8K RPMs. This worked to cool down my laptop, and once I realized that my CPU is at 36 degrees Celsius, I set the fans back to the default settings at 2000 RPMs. Now, my fans are constantly running at this speed according to smcFanControl and iStat. My core is cool, not even warm, yet all I can hear are the fans spinning fast to push hot air out of it, when there is none (I've put my ear to it to hear and feel the heat, there is no heat coming out).

I've had this laptop for less than 24 hours, it's a:
15' Macbook Pro late 2011
Intel Core i7 Quad Core 2.4gHz
7200RPM 750GB HDD

Also, this was not occurring prior to downloading smcFanControl (I've turned it off, deleted it, nothing works) - Even after turning off the laptop, the fans stopped, automatically after turning the laptop on the fans came back on. Some extra information: When I put my ear to the bottom of the laptop, it sounds like a vibration.

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MacBook :: Machine Fans Running At (6200RPM) Max Speed

Jan 5, 2009

I was just wondering if it's okay to run the MacBook with the max fan speed (6200RPM) at all times? It's really hot nowadays and my MacBook runs at about 60 degrees Celsius idle. If I run a few CPU intensive apps, the temperature usually rises to 70-80 degrees. This is with the fan running at max speed. So what I want to ask is, will it be okay to keep the fans running at max speed at all times? I'm going to get a notebook cooler soon so that should help with lowering the temperatures a little lower.

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MacBook Air :: What Speed Are Your Fans Running On MBA Rev B When Watching HD Video

Feb 16, 2009

If you are watching HD video, CBS.com HD shows for insteance.What speed are your fans running then and what temperature does your MBA Rev B have?

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MacBook Pro :: High Pitched Noise When The Fans Are Running Around 6.2k RPM

Jul 1, 2009

It's the 2008 model MacBook Pro with the 9600m gt 512 card.

So, I just noticed that when I have my MacBook Pro in High Performance mode it emits an high pitched noise when the fans are running around 6.2k RPM and the CPU and GPU is around 63c. The noise follows the speed of fans, and at idle the noise is gone.

I have uploaded a video of it on youtube here: http://www.youtube.com/watch?v=HioRgTNpNRA

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MacBook :: Overheating And Shutting Down On YouTube - Fans Not Running?

Jul 5, 2012

My Macbook's been overheating and shutting itself down the past two days, usually when on YouTube. Having installed the Fan Control system preference, I can see the fans aren't running at all. My first thought is that they might be broken, but this happened for a little while last year, too, and the fans started working again after a while. Also, it's been miserably hot in my area the past week, and I wonder if that's contributed to it, too (even though the laptop's in an air-conditioned room). Anyway, should I wait and see if the fans begin working again, take it to a repair shop (warranty's expired, so I'm not keen on that), or maybe buy a cooler pad?

Info:
MacBook, Mac OS X (10.5.8)

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MacBook Pro :: I7 Unusually Hot To Touch - Fans Running Super Loud

Sep 15, 2010

So I got my macbook pro yesterday and I've been doing some basic stuff on it. While I was installing World of Warcraft, the computer jumped up about 101 degrees celcius. I know I shouldn't trust istat pro 100% but still, my fans are running super loud and the computer is very hot to touch. I'm not running any heavy programs or doing any gaming. I had Aol Instant Messenger on, and WoW instaling in the background. I'd like to also add that when opening various programs I get the spinning beachball very often.

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MacBook :: Temp Go Up Absurdly While Running VisualHub / Fans Run Over 6000 Rpm And CPU Hit 92c

May 21, 2009

So I know there are a few other discussions regarding this subject but none of them are providing me with the info I'm looking for. I am looking to get a few responses on other MacBook Unibody's (Pros welcome too) temperatures when running intense programs (games, video conversion, etc.).

So here's why I am concerned. When running VisualHub in particular, my fans and temp go up absurdly. According to iStat, my fans are over 6000 rpm and my CPU temp hit 92c the other day. I shut it down bc I was having visions of my MB melting in front of me. I have even gone as far as propping up the back to allow for more air flow but that hasn't made any difference as long as I use pretty much any video conversion apps. Games (like Spore) make it hot, but not like this

I can find links to the previous MacBooks temps (which I had and this was never a problem) but nothing on the Unibody's. So please everyone, do share. Please include what apps you were running or if your MB's ever shut down from overheating.

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MacBook :: Flash Websites Closed But Fans Not Stop Running

Sep 23, 2009

A lot of times, when I close the flash intense web sites, my fans won't stop running until I go into activity monitor and force quit flash. This is very irritating and kills my battery life. I feel like I am constantly playing the sims 3 even if I am not doing anything. Also, are there varying levels of how much flash you're using? For example, if you're on youtube is that just as bad as being on macrumors and looking at flash based ad banners?

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MacBook Pro :: Mid 2010 - Fans Running High And No Keyboard Lights

Jun 26, 2012

I replaced my logic board and couldn't get my Macbook to start, but last night I replced the RAM with the original one that came with my Macbook and it started up, everything is working fine, but the Fans are running high I can hear it loud and the keyboard light are not working, but the keys works fine. I tried the reset options but nothing happens.

Info:
MacBook Pro, Mac OS X (10.6.3), Model - A1286

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OS X :: CPU Running At Constant 45% Since 10.6.6 MBA Fans Running?

Jan 6, 2011

Since I updated to 10.6.6 earlier today I've noticed that the fan in my MBA (13" late-2010 model) is running constantly. This is rare -- I hardly ever hear it. I opened activity monitor and 'System' is using 45% CPU time, and it's pretty constant.

I have absolutely no clue why -- there's nothing in console to suggest it's doing some task, and I can't see any other hints. Apart from the noise and the heat (though don't get me wrong -- compared to my old MBP it's not really noisy or hot, but I liked it better when it was totally quiet and cold), it's also killing the battery -- 25% has gone in less than an hour.

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MacBook Pro :: 17" MBP Unibody - Fans Running Constantly And Reboots System

Oct 24, 2009

I need the thoughts and advice from your seasoned Mac people - I have 2 MBP's - 1 15" aluminum, one last years model 17" Unibody (with Black around screen). The 15 has run great since day one. The 17" was ok, but now is locking up and causing me to reboot, fans seem to run on high all the time, and it is very slow to react while using the OS, it gets worse until it locks up. I have upgrade to Snow Leopard thinking that that might fix it, but it has not.

When I got it, I restored from the back up of my 15" using carbon copy cloner. I only imported users and data such as pictures and music. Do you guys think that this is a hardware issue or a or should I back all my stuff up and then blow everything away and reinstall from the ground up with a fresh SL install?

When I called apple they tried to sell me apple care and told me that it was out of the full warranty and if I send it I would to pay for what was not under warranty. SO I am hoping that someone has seen this and has a fix that I can do without having to take it in.

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MacBook Pro :: Fans Running At Full Speed / Heat Sensors Are Fine?

Apr 14, 2010

So today I opened up my MBP to clean it out and stuff (it had a ton of dust... A wall of it had built up where the fans blow out)All is fine and dandy now except for one thing. Since I don't want to open my case up for the second time today (right fan wasn't plugged in all the way first time I started it up... oops x( ) I'm asking here since everything else seems to be fine.

What I did:
Opened everything up all the way down to the heatsink.Applied correct amount of Thermal paste.plugged everything back in (right fan wasn't perfect at first, but fixed and stupidly didn't double check everything else while I was in there)

And now both fans are running at 6k (full) constantly. I tried resetting PRAM and SMC with no luck. I'm about to grab my disk 1 and run the diagnosis to see if that turns up anything.Are there any plugs that I might have accidentally not plugged in all the way or at all that would cause this? Also any other suggestions if everything is plugged in correctly?

MacBook Pro 2,2 15.4" late '06
10.6.3
C2D 2.33GHz
2GB Ram

Also, I have iStat Menu. No apps using all my CPU (Mostly <10% usage right now) and temp is mostly <40c right now. All temps have a temperature so I'm assuming all heat sensors are fine.On a great note: My computer is so much cooler now! Even before this at 6k rpm I'd get down to MAYBE 45c if I was lucky.I also have Fan Control installed and it's not having any effect

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MacBook Air :: 2011 Fans Continuously Running (regular Fix Attempts Applied)

May 9, 2012

I have a users machine that the fans wont stop running at high speed Its a 2011 MBA 13" i5 128gb ssd I installed a few fan monitors and fan controllers, they all say the fan is at 0rpm. Apple is not my first language; but Im warming up?I have performed an SMC reset as well as the P&R? reset?   Both went through properly, the SMC i could see the power cord light change colors, and the other reset performed before the chime would make the chime, black screen, rebooted. Alot of what I read on this topic consists of the machines fans ramping up because they are being used, or if its a fluke the SMC will reset it. I havnt been able to find anything in regards to the computer reporting 0% and just running non stop.

Info:
MacBook Air, Mac OS X (10.7.3)

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MacBook Pro :: Fans Start Running At High Speed When Computer Is Asleep?

Jun 2, 2014

The other night, my MacBook Pro's fans started running at high speed when the computer was asleep. Loud enough to wake me up. And this just kept on going until I finally decided to turn the computer off. Is this normal? Is this anything to worry about?

Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.3)

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MacBook :: Can't Type Minus Sign

Aug 20, 2014

Just find out that I am unable to type the "minus"sign on the keyboard no matter what I do, i guess there is some that blocks me to type this sign. However, I can type any other signs. Do you know what is happening?

Info:
MacBook, OS X Mavericks (10.9.3), OS X Version 10.9.3

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MacBook Pro :: 2009 17" Fans Running At Max Speed Aafter Hard Drive Upgrade?

May 9, 2012

I recently picked up a 17" 2009 unibody MacBook Pro with Intel Core 2 Duo 2.8ghz, 4gb RAM, SuperDrive and a Samsung 1TB hard drive. The system did not come with the original hard drive and I don't have any other hard drives to test and verify that the new larger hard drive is the cause. I have tried a clean install of Snow Leopard, Lion and even Mountain Lion but no matter what my fans always running at max speed (5k+ RPM). I have looked at iStat and the temps of any of the components in the machine never show more than 42*C so the fans should never be running at full blast. Oddly enough smcFanControl shows 0* temp but fan speds for both left and right are always 5.5k+ and very noisy. Using HDD Fan Control I am able to get at least the right fan to run at a controlable speed but its silence is drowned out by the left fan that still runs on full blast. I have already done multiple SMC resets and PRAM resets with no change in the condition. These noisey fans are driving me insane! I have run every available update as well. Is there a chance that the hard drive or something elses temp not being supported or detectable by OSX is causing the fans to default to the fail safe constant high speed?!

Info:
MacBook
Pro, Mac OS X (10.7.3), 2.8GHz Core2Duo

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Mac Pro :: Why OWC RAM Running Hot / Fans Not Increasing

Feb 15, 2008

My OWC RAM is working just fine, but I am growing increasingly concerned about the temperatures at which it runs. I have the 3.0 (120W) MacBook 2008 with 18 Gb RAM (4x4Gb + 2x1Gb apple stock). The RAM in memory module A2 & B2 is getting up to 80 Celsius without even much of a workout on the RAM. What's more, the MacPro fans are not increasing - right now the hottest module is at 76 Celsius and fans haven't increased at all (see screenshot below).

I have installed SMC fan control, which I understand is supposed to set the minimum fan speed, which I have set at 730 because my RAM was running hot even without any workout. How concerned should I be about this? Is this a) a defect in my mac pro b) a design flaw c) a problem with OWC memory, or d) is everything OK and I'm making a mountain out of a molehill?

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Mac Pro :: Its Fans Running Randomly

Apr 17, 2012

Well my MacPro 2009 has this weird error where the fans will kick in and a restart wont restore them to normal a sleep cycle will though. It seems to only happen with OpenCL intensive apps but not Cuda intensive apps?? this may be random coincidence. 

Info:Mac OS X (10.6.8)

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MacBook :: External Harddrive Shows Up With A Red Minus Sign?

Sep 6, 2009

Problem: I have a half-terabyte external harddrive by western digital. It's been working for about a year now, no problems ever. it's basically halfway filled with movies and music and stuff; however, recently, it's not being recognized by my macbook. It uses a mini USB to USB cable. I switched the cables and it still didn't come up.

When I plug it into the AC it lights up and looks like its searching to 'talk' with my macbook. It has always done this, then the light would become solid and it would show up on my desktop. I tried it on different computers as well and it still doesn't actually show up. All the computers I've tried notify me that a drive has been connected, but not recognized. I really really need it to be recognized or else I lost A LOT of information.

I went to upload a file to Mediafire, and when it redirected me to Finder, my hard drive was the default folder to pick the files from. However, it had a red minus sign on it and I have no clue what that means.

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PowerPC :: G5 Fans Constantly Running At 4K

Jan 19, 2009

My PowerMac's (G5 Dual 1.8GHz procs) fans seem to run at a solid 4k rpm's regardless of what I'm doing, even with CPU usage set to low. I've taken the whole machine apart, cleaning it with canned air and such, but the problem just won't leave me be. The air coming out of the machine is ice cold, and the temperature readings I'm getting are about 86 degrees F for the CPU's and 70 for the HDD, so I'm not sure what gives.. Slot and Backside fans are running at 255 rpm, but the others are all 4k.

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PowerPC :: G5 Pro Fans Running Too Fast

Jul 28, 2009

The fans on my G5 Pro are running at close to 3000rpm most of the time. I have read other forums and do not think this is normal at all. I started looking into the fans because I am getting frequent kernel panics (black screen crashes) and thought it might be the machine over heating. My CPUs are at about 50C to 52C and the fans are constantly running that fast.

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PowerPC :: Powermac G5 CPU Fans Running On Different Speeds?

Jul 3, 2007

CPU cooling fans are running at strange different speeds. Powermac G5 early 2005, dual G5 (not dual core).This is at idle:CPU A 60 degree Intake 300rpm Exhaust 300rpmCPU B 63 degrees Intake 1125rpm Exhaust 1100rpm! I have not noticed this before. They usually remain identical.

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