Reset the smc to clean up after smc fan control?
i have been trying out smc fan control on my MBP to see if i can lessen the heat stress on it. i have removed smc fan control to let the computer handle its own fans (i'm starting to figure it knows more about its own fans than i do). however, now that it is gone, the fans seem stuck on 2000 rpm, even as the temp pushes into the 60-70 degree C range. would resetting the smc get my fans unstuck?
Message was edited by: perezngc
Your RPM and temperature readings seem perfectly normal to me.
If you search these discussion pages, you will see that others think so too.
Similar Messages
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i installed smc fan control on my MBP in an effort to keep it cooler. some time after i installed it, i reinstalled my OS in an effort to address some other issues i was having. i didn't uninstall smc fan control before i reinstalled the OS (mostly because i didn't think/know it would be an issue). however, once i finished my reinstall, i noticed my fans never sped up past the 2000 rpm default, even when the computer started pushing into the 160-170 degree range (according to istat). i felt i had to reinstall smc fan control again in an effort to preserve my hardware. i feel now that the computer probably has a better sense of how to use its fans than i do, so i want to uninstall smc fan control and let the computer control its own fan speed. what is the best way to do this?
thanks for answering-- i took a look at this earlier today. i guess the only reason i am trying to find out how to do this is because the smc fan control seemed to have a lasting effect even after i reinstalled my system software (which i assumed would blank everything). do you think dragging it to the trash will take care of it when reinstalling did not?
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Just got a new mini a week ago and want to keep it in top running condition, is it worthwhile to use the smc fan control and if so what should I use for settings and any other recommendations.
If you want to keep it in top running condition you best leave this kind of control to the system.
If it is running too fast and noisy for you, then you can slow it down, but of course that will shorten it's life. -
After resetting the SMC the keyboard is inoperative. On the start screen appears a traslucent square with a horizontal bar in white, and a row of empty dots below (the same format as for example the brightness symbol). I cannot turn the Mac off with the power button, only with the trackpad, clicking on the turn off symbol on the screen.
When I try to login with my username, no characters appear as I type.
I can login as a guest, but from there I can do nothing, because the keyboard is still inop and if I wanted to, for example, have the software updated, I need to type an admin login, which is impossible.
Thanks for your helpWhat happens if you close the lid? Sleep?
In your place I would use sleep state to reset PRAM, as it can resolve your graphical mess.
Your keyboard likely was not powered after SMC/PRAM failure, so you will need to open MBP cover without opening the lid and disconnect battery power cable with insulated tools from logic board, wait for 5-10 minutes, then try to reset PRAM while keeping cover -
After upgrading to Yosemite on my macbook pro,the spinning wheel doesn't go away.I have reset the SMC and the PRAM but the problem still persists.Can anyone please help
Try starting in Safe Mode
OS X: What is Safe Boot, Safe Mode?
Try booting to Recovery and repairing the startup disk
OS X: About OS X Recovery - Apple Support
Reinstall Yosemite
OS X Yosemite: Reinstall OS X
This is the Mac Pro desktop forum. I requested your post be moved to the MacBook Pro laptop forum. -
The keyboard backlighting is still on under the lit. What can I do? Thanks! (MacBook Pro 2011 13' ; Mac OS X; 2.3 GHz Interl Core i5; 4GB 1333 MHz DDR3)
After reset the SMC, my screen and the keyboard backlighting turn down at the same time when I cover the sensor.
That's precisely what they're supposed to do. -
My MacBook Pro will not charge, even after resetting the SMC.
My MBP will not charge. It's only a little less than 2 years old. I've reset the SMC and even an employee at the genius bar has, it still isn't charging. When I plug in the cord, my battery remains at 13% with a plug icon inside the battery. When I click on the battery, it says "Battery Not Charging" in gray.
This is my battery information:
Battery Information:
Model Information:
Serial Number: 9G1300072D3MA
Manufacturer: DP
Device Name: bq20z451
Pack Lot Code: 0
PCB Lot Code: 0
Firmware Version: 201
Hardware Revision: 2
Cell Revision: 158
Charge Information:
Charge Remaining (mAh): 685
Fully Charged: No
Charging: No
Full Charge Capacity (mAh): 5448
Health Information:
Cycle Count: 336
Condition: Normal
Battery Installed: Yes
Amperage (mA): 0
Voltage (mV): 11099
Please help!!When I plug in the cord, my battery remains at 13% with a plug icon inside the battery.
Try Troubleshooting MagSafe adapters
And try a different electrical outlet. -
My Macbook pro wouldn't start (no screen activity).
So, I did a PRAM but it made noises like 3 short sounds then 3 long sounds or something like that (I never heard sounds like that coming from my macbook and it was so weird and I just can't really and exactly remember the sounds).
Because of those sounds, I read on the Internet that I had to reset the SMC, which I did perfectly according the the steps described on the Apple Support Page (I really and slowly followed the steps perfectly).
Now, instead of those sounds, I do not have anything at all : no light on the adapter cord, no sound at all, no activity, no starting sound, no screen activity, the battery more than half full is not charging at all anymore....it's like the SMC killed my computer.
My Macbook is dead. I tried repeating the SMC steps one by one many times without success. Since it was not working, afterwards, I even tried the steps in an other order (I saw that on another website) but without success.
Can somebody help me ?I have never heard of SMC causing anything like what you are experiencing ever. I suspect that while you were doing the SMC that you Mac suffered a catistrophic failure. Hence my suggestion to take to Apple for repair.
If you want to keep messing with it that is your call. I am done here.
Allan -
I have a 27 in. iMac OS X, Version 10.7.5, Intel Core i5 and have a problem with the very loud and annoying fan running continuously. The fan starts up immediately upon powering up and stays on all the time. I have researched this on the internet and have tried resetting the SMC unsuccessfully. Should I try fan control software?
To reset the SMC means to reset the power management settings for your Mac. To do this, follow these simple steps.
1) Shutdown your Mac by going to the Apple Logo in the upper left hand corner of the screen and selecting "Shut Down" from the drop down menu.
2) Turn your machine back on while continuing to hold down the power button.
3) After the initial boot chime, your power indicator light should flash three times.
4) Your screen will remain black and you will hear the boot chime again. At this point, you may release the power button and allow your Mac to boot up normally.
All the best with getting your Mac Mini to run smoothly. -
HOW DO I RESET THE SMC ON MACBOOK PRO
Hi does a nybody know how i can reset the SMC on a brand new MBPro 13inch.320GB,2.4GHz,4GB,RAM? As were having battery problems,after calibrating the battery which was saying 100% fully charged,it now will not charge to 100% anymore plus it wont show the battery in time-mode,just %, & is not right,please can somebody advise us,thankyou
spiritlevel: As I advised you a week ago, you really need to stop obsessing over the battery in your son's MBP.
If you are seeing the battery indicator show 98% or 96% and "Not charging", that's normal. The battery charges to 100% (or occasionally 99% or 98%, particularly if it hasn't been calibrated properly) and then STOPS charging. It doesn't begin charging again until the charge level falls below 95%, and while it's waiting for that to happen, it says "not charging". That's how it's meant to work.
PLEASE read this article carefully with your son:
http://discussions.apple.com/thread.jspa?threadID=1764220 -
I’ve got a new MacBookair11 2weeks ago and I am very happy with it. Today I’ve tried to synchronize it via icloud with my ipad and I have lost the camera.
Looking through help in internet I found out that I had to reset the SMC. I did exactly as per instructions given but with no luck.
Is there any other solutions that will fix my camera for facetime and iphoto?
Thanks for your helpMacBook Air (Mid 2013): FaceTime HD Camera might not work after OS X 10.8.5 update:
"Apple is investigating this issue." -
My iMac has been continuously running its internal fan. Sometimes with just the internet running, or upon startup. I put it into sleep mode and wake it back up, which turns the fan off, but sometimes it starts back up shortly after. I have tried resetting the SMC by powering off and unplugging. Anything else that could be causing this?
Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
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Resetting the SMC on a mac pro
Hi,
I need to reset the SMC on my mac pro, as I had an incident where the fans kicked in like a fighter jet after I shutdown, and didn't stop until I pulled the plug after about Ten minutes of white noise.
The trouble is, the instruction for doing this are a little unclear, as I'm instructed to unplug everything, including the display cable, before reconnecting only the keyboard and mouse, after 15 seconds, before restarting. There is no mention, however, of reconnecting the display cables, which leave a few possible interpretations: 1/ Obviously I'm supposed to reconnect the display cables, or I wouldn't be able to see anything after restarting. 2/ I'm supposed to reconnect the monitor after start up (I think this is supposed to be a bad idea)? 3/ I'm supposed to restart without a monitor, and then do a forced shut down by holding the power button for 10 seconds, after I think it's probably restarted okay (hard to tell without a monitor). After shutting down, I then reconnect the monitor. Clearly, option 1/ is the only sensible interpretation, but as I'm guessing there's no way of knowing if the SMC reset worked or not, after doing it, except a non-repeat/repeat of the problem, I'd like to be absolutely sure. I hope someone can help me.
Many thanksYes, you can reconnect the monitor.
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What are the symptoms or indicators that determine the necessity of resetting the SMC and PRAM?
Hi,
Can anyone have list of symptoms that may help a user to determine if there is a need to reset the SMC and PRAM.
I would appreciate if the high-end user of this site come up with their experiences in making a compiled list, possibly product wise, if any such attempt is not taken yet.
In case it is done already, please provide me with the active link/s.
Please see below if you need to know about the MB i am using.
Model Name: MacBook
Model Identifier: MacBook2,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache (per processor): 4 MB
Memory: 1 GB
Bus Speed: 667 MHz
Boot ROM Version: MB21.00A5.B07
SMC Version: 1.13f3
System Software Overview:
System Version: Mac OS X 10.4.11 (8S2167)
Kernel Version: Darwin 8.11.1
Look forward to it. ThanksHi,
The system profiler shows as follows-
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 10
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): 5
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 1
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 2750
Remaining Capacity (mAh): 2701
Amperage (mA): 0
Voltage (mV): 12454
Cycle Count: 507
AC Charger Information:
Connected: Yes
Charging: No
Hardware Configuration:
UPS Installed: No
Regarding the start up sound, i opened the L Bracket but Ram was seated properly. I just checked the ram's position but didn't remove it. However, i found the right most screw of the L-bracket was loosen, i don't know how.
Do you think i should remove the ram and reinsert it? If so, do i have to reset the PRAM after that?
The system profiler shows the ram is ok-
BANK 0/DIMM0:
Size: 512 MB
Type: DDR2 SDRAM
Speed: 667 MHz
Status: OK
BANK 1/DIMM1:
Size: 512 MB
Type: DDR2 SDRAM
Speed: 667 MHz
Status: OK
What do you think about the whole situation?
Look forward to your reply.
All the best and have a goo day Mate. -
I have (over time) had several unusual things happen to my 1 year-old MBP. In reading the Apple article for resetting the SMC after trying the other steps suggested with no change in the problems, I am wanting to reset the SMC. However, the options are confusing to me. The 2 options about the battery, I can say it does not have the battery that used to be in my older MBP that just pops out. The second option for resetting the SMC says "resetting…with a battery you should NOT remove…" Since this option seems to be the closest one to my machne, I want to make sure because in the owners manual it goes over how to remove the battery and does not say you should not remove the battery on your own. However, is this the link I would follow for resetting the SMC? My machine does not fit the 3rd link. I want to make sure I do the right thing.
Just in case you need to know, my battery icon does not display properly when the MBP is plugged into the MagSafe and when I initially plug it into the adapter, it says, "not charging." It also will be hooked up to the MagSafe with the amber light on but the % charged will not change for a long time unless I unplug it, restart the machine and plug it back up. Not sure if this is related but the past week I have had Safari Quit unexpectedly about 5 times per day. I get the report form and send that in, but I have never had this issue before. I have been watching a lot of online TV programs from NBC online and CBS online, but I am not sure if this is related and will be helped by the reset.
I did a check on my machine's serial number (at http://www.appleserialnumberinfo.com), and I just noticed that there was supposed to be a hard drive firmware update and an EFI Firmware update, but I do not know enough about computers to go through with these.
Thanks for any help regarding what link to follow for resetting the SMC and what to do if that does not help at least the charging and saying, "not charging" when the MagSafe is hooked up to the MBP. I should add that the outlet is working fine.(I should say that this is definitely a built-in battery. I think I made that clear from the first post. What I was not sure of is if it was what the SMC Link said; "…you should not remove it on your own, but it looks like all the built-in batteries should not be removed "on your own.")
The Apple Store gave me this MBP because they could not fix my one before this current model. I checked out the serial number and it shows on appleserialnumber.com when I put in the serial number that it is a (I think it said 2.06 processor) or something close to this. Since this was basically a freebie and the Apple Store manager said they would upgrade the MBP to what I had at the time I upgraded the earlier model that basically died. So, what that means, the earlier MPB they "replaced" I had upgraded the speed of the HD, so they did that on this new machine, I upgraded to the highest processor at the time, so they upgraded this new one to 3.06, but that website says I have a 2.06 or 2.08 GHz or something close to this. OK, I tried to explain what Apple did to the machine I have. Just in case it matters, I have found a few things that lead me to believe that this was a return under some unusual circumstance, but I can't prove it.
With that all said, I remember I went online and in the manual I got (both places) for this MBP it explains how to remove the battery: carefully put the screws near the notebook where they go back, and on and on. It never says that the owner should not remove the battery.
I should say, after I explained I did not have the MBP that I can easily remove the battery like the previous MBP I had, but the guy who initially explained how to reset the SMC switch ignored that I guess and gave me the instructions for the MBP I for sure do not have. The 3rd option I knew I did not have, so that only left one option but I thought it was odd because it explains how to remove the battery with dotted lines where to put the screws so you put them back in the proper place.
I did not understand why appleserialnumber.com gave me this info. (and I think Apple did too when I put in my serial number when I first received the machine, which did not make sense). Both places said but in slightly different words: Model: - MacBook Pro (15-inch, Mid 2009) (CTO) and Build Year: - Your Mac was built in 2010. Does this make sense to you?
In the Sys. Profiler: Model Name: MacBook Pro
Model Identifier: MacBookPro5,3
Processor Name: Intel Core 2 Duo
Processor Speed: 3.06 GHz
Maybe it was just a general picture for removing the bottom case. I looked for the owners manual and I looked in the box that my MBP before the current one came in. No owner's manual but I found 2 things still in their wrapper. A remote and some kind of adaptor. Kind of cool. I wonder if the remote works for on my current MBP? what is the pin adaptor for? it is really short, like 6".
Message was edited by: KoolerKT
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