MBP fans run constantly, CPU hot
Hi There -- The fans in my MBP run constantly with CPU temps up to 89c after downloading 10.6.8, even with just the Finder running. There's nothing hogging up CPU in the Activity Monitor, and I don't have Parallels. I've reset the SMC and trashed the Dock preferences multiple times as recommnded by others to no avail. Any other ideas out there? Thanks.
For anyone who stumbles across this post, I wanted to update what ended up happening. I decided not t purchase CoolBook, as I felt that would merely treat the symptom and not the cause of the overheating problem. My MBP sits on an iLap which in the past has always kept it cool. Something in the 10.6.8 update was causing the CPU to heat up extraordinarily with nothing unusual showing in Activity Monitor under All Processes, or anywhere else for that matter, with just the Finder running.
I decided to try downgrading to 10.6.7. I followed the steps outlined by member Alexandre in another post: https://discussions.apple.com/thread/3146928?start=0&tstart=0
When I was done, all was cool and quiet. Everything was back to normal. CPU temps dropped by 30 degrees Celsius.
I guess 10.6.7 will be the end of the line for this particular MacBook Pro until some kind of other fix becomes evident. Thanks again for the members that provided help. Much appreciated.
Similar Messages
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Hello
My 15" MBP fans run constantly at around 6000 rpm (very loud and annoying), is there any way in which I could manually slow down the fan speed?
I have tried SMC fancontrol and doing both SMC and PRAM resets.
Thank YouMémoire active : 1,01 Go
Mémoire disponible : 2,15 Go
Mémoire résidente : 765,0 Mo
Mémoire utilisée : 1,85 Go
Mémoire inactive : 88,0 Mo
MV totale : 267,44 Go
Nombre d’opérations : 114
PID Nom de l’opération Utilisateu Processe Mémoire réelle Mémoire virtuel
0 kernel_task root 3,3 424,2 Mo 4,65 Go
1 launchd root 0,0 1,9 Mo 2,34 Go
11 UserEventAgent root 0,0 4,1 Mo 2,35 Go
12 kextd root 0,0 4,2 Mo 2,33 Go
13 taskgated root 0,0 4,4 Mo 2,35 Go
14 notifyd root 0,0 1,5 Mo 2,34 Go
15 securityd root 0,0 8,4 Mo 2,36 Go
16 diskarbitrationd root 0,0 1,5 Mo 2,33 Go
17 powerd root 0,0 1,7 Mo 2,35 Go
18 configd root 0,1 4,2 Mo 2,34 Go
19 syslogd root 0,0 1,3 Mo 2,34 Go
20 distnoted root 0,0 2,3 Mo 2,35 Go
23 warmd nobody 0,0 4,9 Mo 2,33 Go
24 usbmuxd _usbmuxd 0,0 2,4 Mo 2,34 Go
27 stackshot root 0,0 1,2 Mo 2,33 Go
28 SleepServicesD root 0,0 1,5 Mo 2,33 Go
30 revisiond root 0,0 2,6 Mo 2,35 Go
33 opendirectoryd root 0,0 9,0 Mo 2,35 Go
36 mds root 2,3 42,8 Mo 2,54 Go
37 mDNSResponder _mdnsrespo 0,0 4,4 Mo 2,36 Go
40 loginwindow MacBookPro 0,0 17,9 Mo 2,42 Go
41 locationd _locationd 0,0 7,1 Mo 2,36 Go
42 KernelEventAgent root 0,0 996 Ko 2,32 Go
43 kdc root 0,0 2,8 Mo 2,33 Go
45 hidd root 2,7 2,8 Mo 2,33 Go
46 fseventsd root 0,0 2,8 Mo 2,37 Go
48 dynamic_pager root 0,0 776 Ko 2,32 Go
51 appleeventsd _eppc 0,0 2,6 Mo 2,35 Go
55 awacsd root 0,0 7,2 Mo 2,35 Go
56 autofsd root 0,0 1,8 Mo 2,33 Go
57 apsd root 0,0 7,3 Mo 2,35 Go
58 qmasterd root 0,0 7,5 Mo 629,3 Mo
59 cfprefsd root 0,0 1,6 Mo 2,33 Go
61 coreservicesd root 0,0 24,5 Mo 2,36 Go
73 WindowServer _windowser 7,1 47,3 Mo 2,75 Go
75 netbiosd _netbios 0,0 2,2 Mo 2,34 Go
79 CVMServer root 0,0 1,6 Mo 2,36 Go
80 launchd _windowser 0,0 804 Ko 2,34 Go
81 launchd _cvmsroot 0,0 796 Ko 2,34 Go
84 cfprefsd _windowser 0,0 968 Ko 2,33 Go
87 CVMCompiler _cvmsroot 0,0 3,8 Mo 2,34 Go
92 networkd _networkd 0,0 1,0 Mo 2,33 Go
94 SystemStarter root 0,0 1.004 Ko 2,33 Go
96 rpcsvchost root 0,0 2,8 Mo 2,35 Go
102 aosnotifyd root 0,0 5,1 Mo 2,35 Go
103 socketfilterfw root 0,0 3,6 Mo 2,35 Go
109 HDDFanControlDaemon root 0,0 4,4 Mo 2,33 Go
110 ocspd root 0,0 3,7 Mo 2,35 Go
125 nmpppstatsd root 0,1 272 Ko 585,6 Mo
135 logind root 0,0 1,8 Mo 2,33 Go
139 racoon root 0,0 2,2 Mo 2,33 Go
140 launchd _securitya 0,0 796 Ko 2,34 Go
142 CVMCompiler _securitya 0,0 22,4 Mo 2,36 Go
146 xpcd root 0,0 4,5 Mo 2,33 Go
148 coreaudiod _coreaudio 0,0 6,5 Mo 2,34 Go
149 com.apple.speech.synthesi root 0,0 4,2 Mo 2,33 Go
150 FanControlDaemon root 0,0 2,1 Mo 598,4 Mo
152 launchd MacBookPro 0,0 1,3 Mo 2,34 Go
155 UserEventAgent MacBookPro 0,0 9,4 Mo 2,37 Go
156 distnoted MacBookPro 0,0 3,2 Mo 2,35 Go
159 cfprefsd MacBookPro 0,0 4,8 Mo 2,34 Go
163 pboard MacBookPro 0,0 932 Ko 2,32 Go
168 usernoted MacBookPro 0,0 3,5 Mo 2,35 Go
170 storeagent MacBookPro 0,0 7,3 Mo 2,36 Go
171 tccd MacBookPro 0,0 3,2 Mo 2,35 Go
172 pbs MacBookPro 0,0 4,4 Mo 2,34 Go
173 Safari MacBookPro 0,0 58,0 Mo 3,49 Go
175 iTunes MacBookPro 3,4 133,5 Mo 3,65 Go
177 Dock MacBookPro 0,0 44,9 Mo 2,43 Go
178 talagent MacBookPro 0,0 7,2 Mo 2,37 Go
179 SystemUIServer MacBookPro 0,0 20,1 Mo 2,45 Go
180 Finder MacBookPro 0,0 51,2 Mo 2,51 Go
183 fontd MacBookPro 0,0 5,6 Mo 2,36 Go
184 CalendarAgent MacBookPro 0,0 15,0 Mo 2,36 Go
186 filecoordinationd root 0,1 2,1 Mo 2,33 Go
187 CVMCompiler MacBookPro 0,0 22,4 Mo 2,36 Go
188 NetworkBrowserAgent MacBookPro 0,0 2,6 Mo 2,33 Go
189 CVMCompiler MacBookPro 0,0 25,9 Mo 2,36 Go
190 Contenu web Safari MacBookPro 0,2 116,0 Mo 3,55 Go
192 Centre de notification MacBookPro 0,0 16,4 Mo 2,40 Go
193 xpcd MacBookPro 0,0 5,9 Mo 2,35 Go
194 com.apple.dock.extra MacBookPro 0,0 15,6 Mo 2,38 Go
195 accountsd MacBookPro 0,0 5,2 Mo 2,35 Go
197 Mail MacBookPro 0,2 137,9 Mo 3,60 Go
200 librariand MacBookPro 0,0 8,6 Mo 2,36 Go
201 imagent MacBookPro 0,0 5,8 Mo 2,36 Go
202 ubd MacBookPro 0,0 12,4 Mo 2,36 Go
205 imklaunchagent MacBookPro 0,0 3,3 Mo 2,34 Go
206 com.apple.iCloudHelper MacBookPro 0,0 5,9 Mo 2,35 Go
207 Dictée MacBookPro 0,0 12,8 Mo 2,38 Go
208 lsboxd MacBookPro 0,0 2,7 Mo 2,35 Go
209 AppleIDAuthAgent MacBookPro 0,0 1,9 Mo 2,33 Go
210 cookied MacBookPro 0,0 1,5 Mo 2,33 Go
212 syncdefaultsd MacBookPro 0,0 12,5 Mo 2,35 Go
221 SyncServer MacBookPro 0,0 9,7 Mo 2,36 Go
225 mdworker MacBookPro 0,0 10,0 Mo 2,36 Go
226 iTunes Helper MacBookPro 0,0 4,0 Mo 2,40 Go
227 com.apple.PassXPCService MacBookPro 0,0 6,7 Mo 2,35 Go
234 mdworker root 0,0 9,3 Mo 2,34 Go
236 WebKitPluginAgent MacBookPro 0,0 940 Ko 2,34 Go
247 helpd MacBookPro 0,0 2,1 Mo 2,35 Go
250 AirPort Base Station Agen MacBookPro 0,0 1,9 Mo 2,33 Go
252 SyncMateServer MacBookPro 0,0 13,5 Mo 2,38 Go
254 PenTabletDriver MacBookPro 0,0 9,5 Mo 2,39 Go
259 Mac_SwapperDemon MacBookPro 0,0 3,5 Mo 636,1 Mo
260 1PasswordAgent MacBookPro 0,0 12,9 Mo 2,38 Go
262 netsession_mac MacBookPro 0,3 12,4 Mo 766,4 Mo
266 TISwitcher MacBookPro 0,0 5,7 Mo 2,37 Go
269 AppleSpell.service MacBookPro 0,0 2,4 Mo 2,35 Go
273 ConsumerTouchDriver MacBookPro 0,0 7,1 Mo 2,37 Go
275 TabletDriver MacBookPro 0,0 5,9 Mo 2,38 Go
278 Moniteur d’activité MacBookPro 12,6 20,9 Mo 2,45 Go
280 activitymonitord root 5,0 1,4 Mo 2,33 Go
282 mdworker MacBookPro 1,9 5,9 Mo 2,34 Go -
Macbook Pro fan running constantly and CPU running slow
So, I have a Macbook Pro 2010 2.3 i7 that has started running really slow and the fan is running constantly.
In activity monitor it shows a kernel_task running constantly at around or above 200%.
I have tried all the regular tasks. PRam reset, SMC reset and nothing seems to fix it.
I have also tried a system reinstall to no avail.
Maybe I'm on the wrong track, but from what I have read, the kernel_task might be trying to slow my CPU down because it thinks it is being overworked?
Maybe the fans are also being activated because it thinks the computer is too hot?
Anyway, if anyone has any idea as to what I can do to figure out what is going on, let me know. ThanksHere is the EtreCheck results:
Problem description:
fans running constantly and CPU slowing down
EtreCheck version: 2.2 (132)
Report generated 4/28/15 7:42 AM
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
The following internal tasks failed to complete:
/usr/sbin/system_profiler -xml SPFontsDataType
Hardware Information: ℹ️
MacBook Pro (15-inch, Mid 2010) (Technical Specifications)
MacBook Pro - model: MacBookPro6,2
1 2.66 GHz Intel Core i7 CPU: 2-core
8 GB RAM
BANK 0/DIMM0
4 GB DDR3 1067 MHz ok
BANK 1/DIMM0
4 GB DDR3 1067 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Battery: Health = Normal - Cycle count = 141 - SN = W0020PTD7BWZA
Video Information: ℹ️
Intel HD Graphics - VRAM: 288 MB
NVIDIA GeForce GT 330M - VRAM: 512 MB
Color LCD 1440 x 900
System Software: ℹ️
OS X 10.8.5 (12F45) - Time since boot: 0:39:23
Disk Information: ℹ️
TOSHIBA MK5065GSXF disk0 : (500.11 GB)
disk0s1 (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 499.25 GB (73.74 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
MATSHITADVD-R UJ-898
USB Information: ℹ️
Apple Internal Memory Card Reader
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Gatekeeper: ℹ️
Anywhere
Kernel Extensions: ℹ️
/Applications/KeyRemap4MacBook.app
[loaded] org.pqrs.driver.KeyRemap4MacBook (8.4.0 - SDK 10.8) [Click for support]
/Applications/Roxio Toast 6 Titanium/Toast 6 Titanium.app
[not loaded] com.roxio.TDIXController (1.3) [Click for support]
/System/Library/Extensions
[not loaded] com.IKMultimedia.driver.StompIO1 (1.0.0) [Click for support]
[not loaded] com.avid.usb.mbox.driver (1.0.18) [Click for support]
[not loaded] com.digidesign.fwfamily.driver (9.0f4) [Click for support]
[loaded] com.digidesign.iokit.DigiDal (10.3.4f181 - SDK 10.6) [Click for support]
[not loaded] com.digidesign.usb.elevenrack.driver (1.0.1) [Click for support]
[not loaded] com.ikmultimedia.driver.StealthPedal (1.0.0) [Click for support]
[not loaded] com.paceap.kext.pacesupport.master (5.9 - SDK 10.6) [Click for support]
[not loaded] jp.co.roland.RDUSB0138Dev (1.0.0 - SDK 10.6) [Click for support]
/System/Library/Extensions/PACESupportFamily.kext/Contents/PlugIns
[not loaded] com.paceap.kext.pacesupport.leopard (5.9 - SDK 10.4) [Click for support]
[not loaded] com.paceap.kext.pacesupport.panther (5.9 - SDK 10.-1) [Click for support]
[loaded] com.paceap.kext.pacesupport.snowleopard (5.9 - SDK 10.6) [Click for support]
[not loaded] com.paceap.kext.pacesupport.tiger (5.9 - SDK 10.4) [Click for support]
Startup Items: ℹ️
DigidesignLoader: Path: /Library/StartupItems/DigidesignLoader
RDUSB0138Startup: Path: /Library/StartupItems/RDUSB0138Startup
Startup items are obsolete in OS X Yosemite
Launch Agents: ℹ️
[not loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]
[running] com.avid.mbox.helper.plist [Click for support]
[loaded] com.google.keystone.agent.plist [Click for support]
[unknown] com.oracle.java.Java-Updater.plist [Click for support]
[loaded] org.pqrs.KeyRemap4MacBook.server.plist [Click for support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Click for support]
[loaded] com.adobe.SwitchBoard.plist [Click for support]
[running] com.digidesign.elevenrack.helper.plist [Click for support]
[running] com.digidesign.fwfamily.heler.plist [Click for support]
[loaded] com.google.keystone.daemon.plist [Click for support]
[unknown] com.oracle.java.Helper-Tool.plist [Click for support]
[loaded] com.oracle.java.JavaUpdateHelper.plist [Click for support]
[running] com.paceap.eden.licensed.plist [Click for support]
[loaded] org.pqrs.KeyRemap4MacBook.load.plist [Click for support]
[loaded] PACESupport.plist [Click for support]
User Login Items: ℹ️
Dropbox Application (/Applications/Dropbox.app)
apple-scc-20150427-140055 UNKNOWN (missing value)
Internet Plug-ins: ℹ️
o1dbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]
AdobeExManDetect: Version: AdobeExManDetect 1.1.0.0 - SDK 10.7 [Click for support]
Flip4Mac WMV Plugin: Version: 2.3.8.1 [Click for support]
iLokClientHelper: Version: 3.5 - SDK 10.5 [Click for support]
Silverlight: Version: 4.0.60831.0 [Click for support]
FlashPlayer-10.6: Version: 17.0.0.169 - SDK 10.6 [Click for support]
Flash Player: Version: 17.0.0.169 - SDK 10.6 [Click for support]
QuickTime Plugin: Version: 7.7.1
googletalkbrowserplugin: Version: 5.41.0.0 - SDK 10.8 [Click for support]
iPhotoPhotocast: Version: 7.0 - SDK 10.8
AdobePDFViewer: Version: 10.1.1 [Click for support]
JavaAppletPlugin: Version: 14.6.0 - SDK 10.8 Check version
Audio Plug-ins: ℹ️
Avid CoreAudio: Version: 10.3.4.181 - SDK 10.6 [Click for support]
3rd Party Preference Panes: ℹ️
Digidesign Eleven Rack [Click for support]
Flash Player [Click for support]
Flip4Mac WMV [Click for support]
Mbox [Click for support]
RC-300 [Click for support]
Time Machine: ℹ️
Mobile backups: ON
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 499.25 GB Disk used: 425.51 GB
Destinations:
Shupester [Network]
Total size: 3.00 TB
Total number of backups: 66
Oldest backup: 2013-06-17 21:18:22 +0000
Last backup: 2015-03-19 06:26:07 +0000
Size of backup disk: Excellent
Backup size 3.00 TB > (Disk size 499.25 GB X 3)
/sbin excluded from backup!
/usr excluded from backup!
/System excluded from backup!
/bin excluded from backup!
/private excluded from backup!
/Library excluded from backup!
/Applications excluded from backup!
Top Processes by CPU: ℹ️
31% mtmd
19% Safari
8% Finder
6% mds
4% Dropbox
Top Processes by Memory: ℹ️
180 MB Mail
172 MB mds
139 MB Safari
131 MB WebProcess
106 MB Pages
Virtual Memory Information: ℹ️
4.72 GB Free RAM
3.28 GB Used RAM
0 B Swap Used
Diagnostics Information: ℹ️
Apr 28, 2015, 06:53:27 AM Self test - passed
Apr 27, 2015, 11:34:56 AM /Users/[redacted]/Library/Logs/DiagnosticReports/Pro Tools_2015-04-27-113456_[redacted].crash
Apr 27, 2015, 11:34:23 AM /Users/[redacted]/Library/Logs/DiagnosticReports/Pro Tools_2015-04-27-113423_[redacted].crash -
Help! This new version of Lion is making me miserable. The fan runs constantly, the computer is hot and battery life has dropped to under 2 hours on a fully charged battery. I updated yesterday, nothing but misery today. Even running the mail program alone make the fan run like I have everything open. Using Pages, iPhoto, and iTunes simultaneously makes the computer blistering hot.Yesterday, I could use all three without any trouble. Any suggestions to either jettison 10.7.3 or how to fix without any expense? I haven't modified this computer at all, it is as it came from the box in August 2011: 2.3 GHz Intel Core i5, 4GB 1333 Mhz DDR3.
I updated to Lion 10.7.3 and started noticing my fans running on high all the time and my battery would drain 2-3x faster. I was going to take my computer into an Apple store until I found this thread. I did the SMC reset by shutting down my computer, plugging it in, and then pushing down shift+control+option while also pushing down the power button. Nothing happens on the screen and the computer did not turn on. I then released all the buttons at once after holding them down for 10 seconds.
After that, I simply turned my computer back on and everything seems to be working fine. The fans are not blasting anymore. I have a newer MacBook Pro where I can't access my batteries. The SMC reset may differ for other types of laptops. -
Battery shows X and fans run constantly.
All of a sudden yesterday, my computer wouldn't turn on. I finally took the battery out numerous times and decided to hold the power button, that fixed it. Now, my computer works but the battery at the top corner shows an X (but works when unplugged) and my fans run constantly.
I know this issue was common on the old plastic MacBooks, but I can't find any issues with this one.
-Unibody 2.0Ghz w/ 4GB of Ram.
It's updated to 10.5.7Usually when the battery display shows an X, it means there's no battery detected. Yet you say it works when unplugged. Odd.
The first step is always to try resetting the SMC, which it kind of sounds like you did:
http://support.apple.com/kb/HT1411
You can also try zapping the PRAM:
http://support.apple.com/kb/HT1379
The high-running fans might be the result of an out-of-control CPU process. Check Activity Monitor (make sure it shows "All Processes" and not just "My Processes") and see if something is eating up a bunch of CPU. You can kill that process from within Activity monitor and see if that helps the fan.
If none of those work, call AppleCare or visit your local Apple Store Genius, and have it serviced under warranty, as it's likely a hardware issue. Good luck!
Message was edited by: Jay Bullock -
IMac fan running constantly is this ok??
ok so i got my 21.5-inch, Mid 2011, 2.5 GHz Intel Core i5 iMac and i can hear the fans running constantly so i was wondering if this was ok or not so i downloaded stat pro to check my fan speeds and my fans are running at:
Optical Drive 1399rpm - No disc in
Hard drive 1099rpm
Cpu Fan 1190rpm
i was just wanting to no if they look right or not?
please let me not thanksHi Aldan,
all the fans run all the time, they never stop.
It might make you feel better to get aftermarket Pref. panel like 'Fan Control' which displays the speed in your Menu Bar & you can adjust the speeds also, if you wish.
And by the way those speeds are normal. -
I just purchased and set up a Mac pro 2- 2.66GHz dual-core Intel Xeon. The fans run constantly and they are extremely loud. I've tried the unplug for 15 seconds and restart. I've also tried resetting the SMC. This worked for the first four minutes after I turned the computer on. This computer has only been set up for two days and it's well ventilated. What can I do stop the noise or did I just get a lemon?
Unfortunately if you were to get a replacement Mac Pro you'd have the same issues--I'm pretty sure, at least. Problem 1: the Mac Pro's front grille is the only thing that separates you from the hard disk which is sitting inches from that thin, airy sheet of metal. The hard disk on my Mac Pro had loud acoustics when reading and writing (the normal seek operation). This is, unfortunately, normal.
Depending on your drive model, there are linux (and Windows) utilities that can be used to set the acoustic management on the drive to make it near silent again. Let me know if you'd like more information and if you aren't afraid to boot up from a Linux live CD.
The "fan" noise you talk about when using CD's is probably the CD drive itself (spinning the disc) and not the fans. This, again, unfortunately, is normal. Not much you can do here as most CD drives are relatively noisy--especially at the high-speed rates of today's drives. -
Cooling fan runs constantly on Tecra A3
I have a Tecra A3 an my fans runs constantly, even when idleing, and it has done this since i got it (about 18 months ago). It also runs at a constant rate, and it's just like hear Arnold talk - very annoying. Sometimes one (?) of the fans stopp running for just a couple a seconds, and then it starts again, back to the same speed. I've had the computer in for repairs, and they changed the fan and cleand the cooling system, but this didn't make things better, well, okay, I got rid of the ratteling sound, but that was all!
I've tried everything i can think of, currently I'm running the computer fixed on the lowest setting for the processor speed and battery optimized cooling by the help of the Power Saver utility, but it doesn't seem to help at all. I also tried setting the processor speed to low in the BIOS setup, this made some difference, and the fan stayed of for periods of up to 30 seconds (!), bur the performance of the computers performance was horrible with these settings so I had to change it back to dynamic processor speed.
As for the the temeratures i get at temperature of about 36-37 degrees celsius (95-97 degrees Fahrenheit) for the HD temperature (using speedfan). So theres no problems with overheating (?). This leads me to believe that this might be due to a bug in the software. I'm currently using a norwegian install of Windows XP with SP2, it's a custom install, provided by my university (my computer is a student PC bought through the university).
So, can anyone help my make my computer quiet, like normal, sane computers ?!
Thanks in advance for any help!Hello Stigs
I use Tecra notebook (M1) for years and I can tell you that this model is really one of quietest notebooks I know but it is definitely no utterly quiet and cooling fan runs almost constantly but on slowest level. I know that it has nothing with your problem but I just want to say that quietest notebook produces noises.
Reading your posting I can just say that you are probably right when you say that it can not be because of hardware because the notebook temperature is OK and there is no sign of overheating. The fact is that all newer notebooks are louder than some old models and Tecra A3 is one of them and unfortunately there is no much to do. As far as I know nobody has reported about any software bug till now. Many bugs are fixed by BIOS updates and all I can recommend you, is to check if new BIOS version is available and see if this can help. Please before you start with BIOS update read carefully Instructions how to do this.
Good luck! -
After installing Lion , my computer crashes and the fan runs constantly on high
After installing Lion , my computer crashes and the fan runs constantly on high. How is Apple resolving this problem?
Try to reset your SMC, it fixed the same problem for me ;o)
http://support.apple.com/kb/ht3964 -
Macbook pro is not charging, fans running constantly and very loudly
I have a macbook pro 13-inch, Late 2011, until a month or so ago it had been running perfectly with no problems. At some point the magasfe power adapter stopped working, when i plugged it into my laptop there would be no light on it, and my laptop would not turn on or show any sign of turning on, i also tried the charger on my friends macbook and it did not charge hers either, i assumed it was a problem with the charger and therefore bought a new one but then found there was other problems with the laptop, it seems to only turn on when i connect the charger and then quickly press the power button before a light comes on the magsafe power adapter and hold it for around 5 seconds, the light is constantly green on the magsafe power adapter, as soon as it starts up the fans come on and are extremely noisy, the barttery doesn't charge and the laptop only works when connected to a source of power, the battery icon has an x in it and says 'no battery available' i have tried multiple supposed fixes such as resetting the SMC, cleaning the fan, and other things i have seen online but nothing seems to be working, I'm starting to wonder if the battery needs to be replaced? and if that has anything to do with the fans running constantly, can anyone help or having any other suggestions of how to fix my problem?
thanks
JordanMake an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar
Note that you posted in the Mac Pro desktop forum -
Last week, Apple Store replaced my brand new MBP with this new MBP because of continuing problems with the first one. Now after a few days, the fans are running constantly as soon as I turn it on. Probably a sensor issue, although I don't want to take it back and have them start opening it up. I use iStat Widget. Fans run about 2000 rpm from the moment I start the computer up. Anybody else have this problem? Won't this drain the battery? Any solutions? Hardware or Software problem? I already reset the System Management Controller.
I suppose I will have to go back to the Apple Store, I was back and forth with the 1st MBP and now this problem. If they open the laptop up, it always seems to get worse and worse.The system default is "fans on" at 2000 RPM. At that speed I cannot hear mine running unless I put my ear almost on the keyboard. Even smcFanControl (a third-party fan speed controller) will not let you set the speed below this point, leading me to assume that this airflow airflow volume is important. When the temps begin to rise, the fans speed up to move more air.
The highest temps I've seen on my Santa Rosa MBP are 160F/71C, and the fans are running at just under 5000 rpm (Max is 6000). As it cools down I can hear the fans start to slow around 140F/60C.
What I see in your description is normal behavior unless one or both fans are making screeching or loud whining noise. -
Macbook Pro Retina fan runs constantly
Hi,
I have a mid 2012 15 inch Retina Macbook Pro that was running absolutely fine till last 2 years. Just recently it is creating problem like the fans of the laptop run constantly even under normal cpu load and temperature. I have tried every possible guide and way to fix it but just couldn't solve it.
Then I ran the hardware test and found out the following error:
4SNS / 1 / 40000000 : Th2H - 127.875
After little bit of googling, I found out the error code referred to sensor related problems. Important to mention here, I live in Bangladesh where apple does not have a direct store but 1 - 2 authorised retailers and service providers. So I took my laptop to one of the authorised service providers w/o any delay and they told me I have to change my logic board as there's no other way to fix it. And changing the logic board will cost me hefty usd 1200 approximately which is a lot for me.
So can anyone suggest me what to do now. Is the error code really refers to replacing my logic board? Is there any way to skip the replacement? I mean is there any way to control fan by any app? What best I can do now?
I will highly appreciate if anyone gives me an honest opinion.
Thanks.Not sure of the feasibility of this, but one potentially cheaper option would be to buy a matching model from Ebay that has a non-logic board related fault (screen, physical damage, etc.) that can be bought cheap and the logic board transplanted to your own. At $1200 you are clearly in the "buy a new one" category. You would have to consider things like whether the MPB is registered (and potentially locked) like iOS devices can be. Not sure if the same security applies to Macs?
If replacement is your only option, then you should still be able to sell your current MBP on Ebay for parts.
Perhaps contact Apple direct and see if you can arrange a direct repair with them? I am assuming you didn't purchase the Applecare cover (which if only 2 years old would still cover your MPB). -
Internal fan running constantly?
My 15" Macbook Pro (mid 2012, Intel 2.7 GHz i7) internal fan is constantly running. It never used to run. It's getting very hot as well. Any ideas?
It's possible that a process is consuming your CPU and memory. Open Activity Monitor (in /Applications/Utilities) andchoose "All Processes" above "Show" in the sidebar.
Then, order the processes by CPU, and tell me if there's a process consuming a lot of CPU. Tell me the processes names. Do the same with "Real memory" -
MacBook Pro fan running constantly
My 3 month old MBP's fan started running constantly a couple days ago, even when I close the lid. My usage is about 90% internet - no CPU intensive games or really anything else.
This happened about the same time my two small children were trying to play with the computer - they had gotten into the Guest account and somehow the computer was locked, so I did a hard power off. Since then (roughly) this fan problem has been present.
I can't find any software settings that would cause the fan to run constantly. Any suggestions? The machine is running very smoothly overall, and has been a bit cooler on my lap (as one would expect I suppose). But it's annoyingly loud and I'm worried the fan will die from overuse.
Any suggestions?Just putting the Macbook Pro Retina to Sleep by going the Apple Menu command did the trick. So another thanks for the question and Ralph's pointer to Apple's Knowledge Base article http://support.apple.com/kb/HT3964
And let me say what a bizarre OS or fan glitch that, I guess AS OF DEC 21, 2013, still UNFIXED BY APPLE?
Like Jodi, my MBP is, hmmnnn...3 - 4 months old. And her post was over a year and a half ago. Also, bizarre that Apple has a Knowledge Base article dated from Oct. 2012 so it's clearly known about it for x amount of users...
Even if they solved it in Mavericks, they should still patch and support OS 10.8 -
Fan runs constantly (not my printer)
Hi,
I've had this problem for a while and it's really getting to me. The fan on my black MacBook (purchased April 2007 and treated very well) runs constantly. Not upon startup, but as soon as I open Firefox it's going until I shut down. I've read about people who had backed up print queues and clearing this solved the problem, but my print queue is empty and doesn't even show up on Activity Monitor. It also says that I have between 88%-92% of my CPU free. Any help is greatly appreciated.
I should also add that the CPU temp is between 66° and 69° C.
Message was edited by: petitchatWhat speed is the fan running at? Use smcFanControl to monitor it. The fan should be running close to 2000RPM at idle.
Dave M.
MacOSG Founder/Ambassador An Apple User Group iTunes: MacOSG Podcast
Creator of 'Mac611 - Mobile Mac Support' (designed exclusively for an iPhone/iPod touch)
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