Macbook fan problem?!

Hi. Just today I have had several random shutdowns. Had the Macbook for 10months now and it's been brilliant so I was a tad surprised when it started playing me up!
After a few looks on google it seems lots of people experience this problem with different reasons for it. I first thought it was the system fan as it did seem very hot but the fan hadn't kicked in. I tested the fan but I got a reading of 0rpm. SO I then ran the Hardware test and got the following error message:
4MOT/1/40000002 :Exhaust
So, I'm deffo thinking it's a fan problem and the CPU is shutting down cos of the heat. Now, I did not buy the extended warranty but I have checked with my serial number and have until Feb 2008 on the standard 12month warranty - my next step is to contact Apple to see what they will do. Does anyone know whether I am assuming correctly and if they know what Apple may do for me?!?!
Thanks

smorg99 wrote:
Would it deffo be the logic board then?
deffo?
I have no idea if it is the logic board or not. I know that Macbooks do not have many serviceable parts. To get to that fan may be a major undertaking. Typically, they want to get the unit repaired and back to the customer as soon as possible. They will swap out what they can do the fastest and diagnose and fix the actual broken part on their own time (or just toss it in the trash). But, of couse, I am just guessing.
How long would it take to replace this?!?
I have no idea.
Can't believe it - I love this notebook!!!
It is not as if you have many options. It will be a paperweight soon. They are machines and all machines break eventually. Either you have the misfortune to have one that isn't perfect or the good luck to have it break while the warranty is valid.

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Mid 2009 macbook pro battery is dead and fan is constantly ramped up (not due to heat). Would installing a new battery fix the fan problem?

Battery icon has an "x" over it and I need to have my laptop plugged in to be on. I've ordered a new battery to install, but I was wondering if it's possible that something else might be causing the fan to be on over drive constantly. I've tried resenting the SMC and the PRAM, but nothing has stopped the fans from running at higher than normal speeds.

If you've updated to Mavericks, you'll either need to use the original install DVD containing the AHT, or download the right one from Apple's servers, then replace the hidden /System/Library/CoreServices.diagnostics folder.
I think that replacing the battery is likely to stop the fan problem anyway.

Help!!! Macbook fan not turning on!

Hello there!
I have a problem with my macbook fans. The fans do not turn on until the computer has been running at 80°C for 5 minutes and only then my macbook only runs at 3000 revolutions. The fans idle is 2000... I know this because I have an application from the mac app store called temp. guage and that tells me temperatures and fan speeds.
The fans to both of my brothers macbooks turn on once the computer is about 60-75°C and it turns onto 6000 revolutions and their idle is 2000 revolutions . Could it be that I have a macbook and not a macbook pro? Or could there be something wrong with my fans?
When I got the computer about 1 year ago the fans turned on a lot but I didn't have this app for various reasons but I could hear the fan turning on. I know that the fan back then was faster becaue i could heat it and when the fans now are at 3000 I can not hear it.
Could a connection be loose - I have never opened the back case but I carry the macbook a lot with my in school? Could there be so much dust on the fan that it tries to spin faster but it simply can't? Could it be the grease on the fan? can anyone help me narrow my decision? Do I need to replace my fan?
Today I was at the apple store and I did a diagnostic test. The only problem was with my speakers but I did not notice that. Point it the fans were all right in the diagnostic test but in reality the fans are not all right...
Someone please help! This is a desperate problem my computer keeps on shutting off because it gets too hot.
Category: Power
Thanks in advance!
Avranius

First thing I would try is resetting the machine SMC.
http://support.apple.com/kb/HT3964

MacBook fan running high most of the time after HDD/Hard-drive Upgrade

Hi guys,
I've just recently upgraded my MacBook white's (MacBook5,2, 2GHZ duo core, 4GB ram) stock harddrive to a WD 2.5" black 750GB. After which, I noticed my macbook fan running at high speeds majority of the time... Even when just doing light weight stuff on it, such as surfing the net using Safari or even just leaving my computer idle after startup.
I did a clean install twice, the second was too see if it was really just a badly installed OS, but the problem still persisted, well at least till I decided to come here to type the post =P (maybe my macbook's scared about being talked about). Do note, that I did a pc migration each time.
After the upgrade, My fan usually runs at about 5000-6200 rpm, but right now as I'm typing this post, its surprisingly alot lower then what I've been experiencing. About 3000rpm-4000rpm.
As for the harddrive temperature, I noticed it runs between the 37 degree to 40 degree celsius range, so I'm guessing the hard-drive temperature sensor isn't busted, which was the problem for others from what I've read from other discussions here.
Also, when I boot my windows partition, the fan doesn't go as crazy, but it eventually will too.
Any idea what the problem could be? =s Or could it be that my MacBook can't handel 7200rpm hard drives =/ If so I'd probably downgrade to a 1TB WD blue =s
On top of that, does any one know if the 2.5" WD blue are as reliable as the 2.5" WD blacks? As I'm heistant to downgrade as I've read that the blues have a higher failure rate, and wouldn't want that happening. Oh and I'm not considering an SSD for this particular MacBook at the moment, as I may upgrade in another two years or so!
Thank you!
Edwin

Hey Mende1,
Well I guess I'll try returning the drive at the end of this week then my fan seemed to have slowed down abit since the upgrade, it's sorta spinning around 3000rpm now. I'm not sure if it's gonna be the same thoughout, and I'm pretty sure it doesn't spin as much as it did when I had my old HDD on. So I'm giving it a few more day probably till the end of this week. And if the noise issue still surfaces I'll try a different hard drive! and update you on the results!
Thanks alot Mende1!
And hello there rauldoppler!
Well, firstly, I'm using a early 2009 MacBook white! The pre-unibody one. It's running on a 2GHz Intel Core 2 Duo processor with 4GB for ram.
As for the hard-drives, I'd actually reccommend you to upgrade to an Solid State Drive if you can afford it, but if you're like me who needs more memory space then boot speed etc, I guess a HDD will be fine =) As for which brand of hard-drives, I would actually recommend WD (their black drives especially, 5 year warranty, 7200rpm speed hehe), but right now I'm having the fan problems, so I'm not too sure anymore.
I did however, do quite abit of digging around on the net and concluded that WD was a better choices amoungst the rest... But yeah the fan issue is still something I didn't expect. All in all, I guess as for which drive is better, it really depends on your needs or wants, if it's for casual internet surfing and stuff, a WD blue HDD would be fine, or a black if you want a slightly faster boot speed etc at the expense of your battery life and all. If you however value blazing fast boot times and application start up times, go for an SSD. If you need the memory space more then anything then I'd say go for a HDD again too, as it's cheaper interms of gigabite to dollar ratio. (for example, the older 500GB version of my new WD black would cost USD $43, while a Samsung 500GB SSD Pro would cost $349) Also, You could do abit of reading up on SSDs if you're interested in it There's alot of plus points to it, like ALOT, and if the price tag wasn't so huge, I would have used it for my macbook already!
Lastly, I used a WD Black 750GB for my macbook upgrade. However, I'm gonna downgrade to a WD blue 1TB this weekend if the fan doesn't settle down over time Cause well, the fan noise is really an issue for me.
Peace out guys!
Edwin

HT3964 MacBook fan is always on

i can't fix my macbook MC374 problem with this guide... i reset my SMC but the fan is always on... any suggestions?
i have Snow Leopard 10.6.3 on that and since i update it to latest version with about 8GB download from Software Update my problem is that my fan is always on....

The fan is always on. It a question of degree. Under 'normal' or low level usage, the fan speeds will 2000 rpm. If you are pressing the CPU, the fan speeds can/will go to 6000 rpm.
Install iStat pro (from the Internet) and then you will know what is occurring inside your MBPs. Also look at the Activity Monitor (In your Utilities folder) and see if the applications you are using are in line with the internal temperatures.
Ciao.

Return for Fan Problem (aka mooing)?

Has anyone actually returned their Macbook for the fans coming on and off (or "mooing")? If so, did you get a moo-free MB?
The mooing isn't too bad - and I have hope that software could fix it; but if there are Macbooks that don't moo, man, I would like one. However, no point in going thru the process if there is no possibility of getting a moo-free MB.
Thanks.

There definitely ARE some that do not moo. Or if they do, they do it much softer. Last night I had a white one that, every 10 seconds, would moo. It was horrible. Even with my TV on, I could still hear that fan revv up and then revv right back down, then 10 seconds later the process would repeat itself. I certainly couldn't live with that. I'm a student and would surely be kicked out of class with a laptop that sounded like a zoo, lol.
So anyway, I returned it today (demanding an exchange). What got me is when I explained the moo'ing to the girl, she sounded surprised and that she'd never heard of the problem before. THEN she takes it in back for about 5 or so minutes and comes back out and persists my MacBook didn't have a fan problem. I told her the machine had to be running for about 15-20 mins before it would kick in. Well she's gets my exchange and then continues to tell me "they're supposed to do that." She said hers at home did it. She also even commented about the posts on these forums about it at that point, too. I was thinking, okay then why didn't you tell me that when I explained the problem? I have a feeling the manager told her to tell me that.
Well, I got my black one home today and have been using it for about an hour before work (while it charged), and now for almost 2 hours (running down the battery). I've only been using it lightly and my temp hasn't gotten higher than 60C even on AC power. Perhaps this is why it doesn't moo? My white last night was close to 70C (on light use) and the moo wouldn't quit.
Unfortunately, this one does whine (somewhat loud on AC power, but very very soft on battery). However, that is a non-issue because turning on bluetooth shuts it up right away, or using QuietMBP works also. Whine I can deal with, but there is no work around for the moo.
So, my advice, is yes, return these moo'ing MacBooks. Like others have said, the more returns they get back for this fan issue, the faster they will (should lol) correct it. There's no need in my eyes to sell a laptop that behaves such as some of these do. I do not pay well over a thousand dollars to have to sit in a zoo-like atmosphere. And that's exactly what I told the sales woman. A lot of times I sit in quiet and this fan noise is too loud to ignore. However, I really do believe this is tied to a heat issue, because it is clear some of these run much cooler on light use than others do. That must be why I haven't heard the fan on this one - my temp is much lower than the one I had that moo'ed.

MacBook fan going off the rails

I've seen some threads on here about MacBook fans failing to spin fast enough, and oddly I have the exact opposite problem. My fan is very normal during typical computer usage, but acts up very loudly and spins quite fast at two times: when I watch videos online, and when I play Diablo 2.
Now I'm guessing the videos make sense, but I play a lot of games on this computer that are more graphically intensive and otherwise demanding than Diablo and the fans aren't half as busy. When I start the game up, a dialog box opens for settings and such before it goes fullscreen and all that stuff starts. Today I left it at this simple little dialog box and watched my fan speed: It jumped from around 1800 to around 6200 rpm in about the span of 45 seconds. I had no other applications open nor was I so much as moving the cursor on the computer. The temp went from 120ºish to 160º F.
It worries me that the fans are working this hard for what seems like no reason. What's more, I usually play the game when I'm plugged in, but a couple of times I've tried on battery power and as soon as the fans get in full swing, the computer just shuts off. This has happened while watching videos online too.
Naturally I'm worried. Any help would be very much appreciated!

Loud fan behavior while watching online videos is normal due to the stress placed on the processor by Adobe Flash.
Regarding Diablo, you are right that it is not a graphically intensive game. However due to the age of the game, I believe it runs in Rosetta, a software translation layer that allows you to run the game on Intel processors. So there is a lot of background software translation going on, and the GPU is used very little or none at all.
More about Rosetta:
http://www.apple.com/rosetta/

Detailed Stat Macbook Fan Question

Dear Apple Community,
After quite some time spent online sifting through threads related to macbook fan noise, overheating, and everything related to it i have finally decided to ask directly for some guidance as i have yet to find a clear solution.
My problem, like many, is that the moment i start using my CPU more than just a few % , temperatures soar out of control and i guess as a result so does my fan.
I have double-triple check alternate causes for this problem. Definately not the printer-que issue as some have posted before.
It is 100% as soon as i go out of idle and use CPU problem starts and noise because problematic when sitting in library.
Here is a quick table on what happens when i go from using just excel to starting and using flash animations/journals/magazines and then back to idle again.
CPU USAGE
CPU: T
HEATSINK A/B T
Exhaust
Idle
1-2%
52
49/49
1802
Flash 1min
87-90%
94
74/72
6200
Flash 5min
70-80%
87
71/72
6212
Flash 10min
70%
85
72/70
6196
Idle 5min
1-5%
54
50/50
2134
Idle 10min
1-5%
56
50/50
1797
(Above stats are from iSTAT Pro. (CPU usage verified via Disk Utility activity monitor).
Here are the stats of my Black Macbook 13'..
Model Name:          MacBook
Model Identifier:          MacBook2,1
Processor Name:          Intel Core 2 Duo
Processor Speed:          2.16 GHz
Number Of Processors:          1
Total Number Of Cores:          2
L2 Cache:          4 MB
Memory:          2 GB
Bus Speed:          667 MHz
System Version:          Mac OS X 10.6.8 (10K549)
My questions is what i can do to be able to work with normal programs without my mac going crazy? Is it thermal paste problem? Fan seems to work, but maybe i need to open up and either clean with compressed air or replace fan? Other solution?
Thank you for taking time to respond.
Best regards.
Magnus

i have also been looking at this thread:
Flash Player Eating Up CPU, Bogging Down System
However my problem has started within the past 6 months or so..and i defiately have been taxing computer before. Not only with fp usage.

Loud MacBook fan

My MacBook fan is running at 6200 rpm, 75 degrees almost constantly. In a class yesterday someone asked me to move because my computer was distracting. Please advise!
Even running just one program (FireFox) the fan runs constantly.

hi first time to post here~
my questions goes: the fan of my black macbook has started to "go nuts" for the past few weeks and it never happened before! I checked the fan speed using smcfancontrol and it was always around 6000 (exhaust). at first i thought it got to be the fan control software which messed up my fan and made it run like crazy, but after the uninstallation the problem remained the same. So like some advices here I checked "Activity Monitor" when my fan went crazy again. i found out the latest-updated iTune 8.0 took almost 55% of my CPU-especially whenever I turned on the "Visualizer." as long as I stop using "Visualizer" my fan is back to normal and quiet like a sleeping baby. May I ask is this normal?? Should i take my 4-month-old macbook to apple store for check?

Macbook fan runs continually with Zynga games...

My wife reports that her Macbook fan runs continually when playing Zynga games...internet games in facebook. I watched her, and it's true...if she quits the game the fan stops. Is this a potential problem? Seems that's all she does on that laptop... I suggested she stop playing the games, but that advice will not be heeded:) thx.

Thank YOU for the reply. Wanna nother star? Help me figure this one out:
http://discussions.apple.com/message.jspa?messageID=10572587#10572587
as this one is with my machine and not my wife's and has me REALLY worried!

ICal makes my MacBook fan go wild

when starting up iCal my MacBook fan stirres up for a couple of minutes and in Activity Monitor I can see it needs more than 95% CPU. Sometimes also SyncServer kicks in taking also all CPU and even more time.
Is this normal? Or is my ical database corrupted. How can it be that a simple background sync is taking so much CPU?
If this is kinda normal I will switch to Google calendar, to avoid the whining of the MacBook.
Looking forward to your response.

I don't always get the whining fan, but once I launch iCal, I can say goodbye to any free system memory. This has been recurring for at least 2 months, and I've been watching Activity Monitor very carefully, and see an absolute connection with iCal and SyncServer. It's very frustrating, 'cause I really want iCal to work, but not at the expense of my (theoretically powerful MacbookPro w/) System memory (2gb).
At the suggestion of my Apple store's "genius," I exported all my calendars, deleted them from iCal, trashed all iCal cache and metadata folders, plists, etc. I then brought in a few calendars one at a time. I purposely avoided any subscribed ones, and let iCal delete alarms. I ran the computer for a few days with only 3 or 4 calendars, and the behavior was a bit better, but still SyncServer was using LOTS of memory.
My console logs are showing lots of lines with "Invalid address property:" warnings (w/ referenced to eddresses that are valid); and "WARNING: BestCalendarDateFromString - can't interpret:"
So, I'm back to wondering: what can I do!?!?!?
(It is slightly comforting to know that someone else is experiencing similar problems. I only hope someone reads this and has a clue as to what's going on and how to solve it.)

Mac Pro Fan Problem

Hi, I have been having some problems with a Mac Pro I have been working with. At the Start-up the Fan goes to top speed and once it logs-in the fan is still pretty loud. I've checking the Temperature of all the computer parts via a Temperature Diode, and its normal and not high. After searching the internet for hours looking for posts that were for the Mac Pro and not for the MacBook Pro (which comes up in about all the searches using the words Mac Pro Fan Problem) and I found some software all of which is not for Mac Pro's. Is there any application I can run do reduce the RPM of the Fans, Reset the Fan Speeds to only turn on when it get hot, or something along those lines.

Thats odd, seeing as Apple have it listed in the Support article:
To reset the SMC on a Mac Pro:
1) From the Apple menu, choose Shut Down (or if the computer is not responding, hold the power button until it turns off).
2) Unplug all cables from the computer, including the power cord and any display cables.
3) Wait at least fifteen seconds.
4) Plug the power cord back in, making sure the power button is not being pressed at the time. Then reconnect your keyboard and mouse to the computer.
5) Press the power button to start up your computer.
It does exactly the same thing as the SMC_RST button, simply by removing all power from the system. I would assume the reason for this would be that the SMC settings are stored in RAM, which is erased once the power is removed from the board, hence the minimum 15 secs wait which gives time for the capacitors in the power supply and system to discharge.
So yeah, it does do the trick, or has done for me in the past a few times.

How many had fan problems with PbG4 12?

After only 3 years of very gentle care, my fan is growling and may need to be
replaced. In my computer experience, I have never heard of a fan quitting in the
first 3 years.
But, is this a common problem of this model? If it is, then shame on Apple for building expensive
computers with cheap components.
So cast your vote:
did anybody else experience fan problems with the PBG412?

I've had my 12" PB for 4 years now, and I have ever had a problem with the fan. My has workeed fine from day one. I still use it from time to time and, in some ways, prefer it over my Macbook.

Macbook Battery Problem

Hi all, this is my first post, but something weird happened to my macbook that I have to share with you.
Ok, my Macbook Core Duo 2.0GHz (1st generation) have had no problem during its first and half year. Then I left the notebook sitting at home for one month as I was away on business. Came back, the machine won't start, used AC adaptor and showed the battery not charging, "x" and everything. My warranty expired, so I bought a new battery. Once I got that, it worked fine for almost 7 months.
Another business trip left my macbook for 1 month, I came back, the battery is dead again!!! So I went to apple support and bought another new battery. This time I installed it at home, and it doesn't charge what-so-ever. I tried everything from SMU reset, PMU reset, P-RAM reset. NOTHING WORKED.
So I took a friend's macbook battery to try, and it worked! I can charge that battery with my macbook, and my battery won't charge on his macbook. So scientifically I thought its the battery defect. I went to Apple Care and they say they will replace it for me, but think that it should be my macbook's problem. Must be the Logic Board, I explained why I disagree, and that the battery came with only one LED blinking when I got home to charge, the current was already too low to charge.
Anyways, I was able to buy a second-hand battery really cheap but with limited life-span and use it until my replacement battery returns. Everything seem fine and I can charge it up to 100% although it will only last me 50-mins, still not bad, right?
I was reluctant to completely drain this battery now since I am afraid it will drop to zero and won't recharge like the other ones.
I am using Boot Camp, and Vista as well as OS X. Suddenly today, two days after I bought the 2nd hand battery, I was using Vista to show my friend the battery problem is fixed. But suddenly out of nowhere the battery dropped from 95% charged to 0% in seconds. It shuts down automatically, and the battery was flashing one LED indicating it's dying.
I started back in Mac OS X and found the charger able to recharge, but it fixed at 0% for 20 minutes. I thought I am screwed and went out for a smoke. I came back to see the battery charging back to 5% and then slowly to 10%, and 20%, suddenly it went back to 85% in seconds, and then 100%. I try to unplug it and it seemed fine. I left it on without the adapter for 20 minutes, the battery drain normally, to 70% (it's fine considering the battery was 2nd hand) My friend thought I should try to switch back to Vista to see if the same thing will occur. So I did, and before the Vista screen came up, the macbook blacked out. I checked the battery indicator and it's flashing one LED again!!!
So I switched back to Mac side and re-do the charging, this time it took longer to get back to +90%, I thought this is normal, 'cause I did use the battery longer on the Mac side before switching to Vista for the test.
I thought to myself, why Vista drained my battery, and then I remember the first battery that died on me was about the time I switched the PC side to Vista. Prior to that, the PC side was using XP. The second time it died it was in Vista as well. I also remember I wanted to reduce the size of my PC partition, so I trimmed off unnecessary features like hibernation by (Powercfg -h off). It saved 2G in size but it may be causing some problem to the charging circuit for the Mac-hardware??? Don't know for sure.
So I erased my Vista partition, and re-installed XP. Since then I tried both sides without adaptor, usually for 10-minutes or less, and no sudden dropped to 0% occurred since.
Everything else is working fine with my macbook, except the power features. Right now at least I can charge the battery, but I am always worried about when or IF the battery will dropped off and kill itself.
I am waiting for the replacement battery to return from APPLE, and hopefully when it returns, my Macbook will be able to recognize the DEFAULT low-charge of a new battery. I'm still not sure if my macbook is defective, and if it did killed the first battery replacement they gave me a few days ago. If it did kill a decent battery, will it kill this new replacement as well??
I know for a fact that the reason why the machine won't charge the battery is because the current of the battery has become too low for the machine to be able to charge it. If the current becomes lower, the "X" will occur suggesting that the machine doesn't even recognize it's a battery. But what I want to know is what caused the battery to drop to such a low current if I turned off the macbook during storage.
Sorry for the length of this post, but I have to be clear on all the details if I want help, I suppose. Right now my question is (1) Why is this occuring?? (2) Am I right in assuming that by removing Vista with XP, the problem will not repeat?? (3) Is it likely for any new or 2nd hand functioning battery to drop to the state of the other battery any time soon?? (4) Am I doing proper care for my Macbook, and what should I do in the future to avoid the same problem from occuring??

gpotts,
Thanks again, here's my battery profile: (keep in mind this is the 2nd hand battery I am profiling) BTW, something happened when I was doing this message, I left the notebook on for about 20 minutes, it dropped from +90% to 48%, macbook prompted me that the battery is running low. I plugged the adaptor and it went back to +95% within minutes...
Good thing is, I haven't seen the sudden drop to 0% ever since I removed Vista, and also I am able to charge my battery everytime I try now, no more "NOT CHARGING" or "X" indication.
Any clues??? Thanks in advance.
Battery Information:
Model Information:
Serial Number: DP-ASMB013-34cf-** <Edited by Moderator>
Manufacturer: DP
Device name: ASMB013
Pack Lot Code: 0001
PCB Lot Code: 0000
Firmware Version: 0102
Hardware Revision: 0300
Cell Revision: 0100
Charge Information:
Charge remaining (mAh): 1533
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 1597
Health Information:
Cycle count: 349
Condition: Good
Battery Installed: Yes
Amperage (mA): 466
Voltage (mV): 12597
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 60
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 60
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 2
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Hardware Configuration:
UPS Installed: No
AC Charger Information:
Connected: Yes
Charging: Yes

Macbook fan problem?!

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