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J.C
Feb 14, 2013, 03:34 AM
Recently my 11" MBA (Mid 2011) has started running the exhaust fan at high revs continually. It starts about 20 seconds after boot up and continues at the same high speed until the notebook is shut down or goes to sleep. It does this regardless of what is running and Activity Monitor shows no CPU or memory usage to cause this. I've also monitored the temperatures and it isn't running hot.

I've uninstalled everything I could and even reinstalled Mountain Lion. No luck there.

Everything seems to point to an SMC issue and the issue does seem to coincide with the latest SMC update that was to fix possible battery issues. I've tried resetting the SMC (following Apple's instructions http://support.apple.com/kb/HT3964) about 20 times with no luck.

Any ideas what it could be?

Cheers.



solmaker
Feb 15, 2013, 02:59 PM
I'm seeing something similar on a MBA 11" i7 2011 fresh from the Refurb store running 10.7.3. Activity Monitor shows negligible CPU, but the machine is very hot and the fans are running hard. Could this be a "new machine" thing that shakes out after Spotlight does some initial indexing?

J.C
Feb 15, 2013, 03:04 PM
I'm seeing something similar on a MBA 11" i7 2011 fresh from the Refurb store running 10.7.3. Activity Monitor shows negligible CPU, but the machine is very hot and the fans are running hard. Could this be a "new machine" thing that shakes out after Spotlight does some initial indexing?

If that lasts any longer than the indexing process I'd be worried. You should be able to see when the indexing is completed just by clicking on the search icon.

jayfire124
Feb 20, 2013, 03:28 AM
I'm seeing something similar on a MBA 11" i7 2011 fresh from the Refurb store running 10.7.3. Activity Monitor shows negligible CPU, but the machine is very hot and the fans are running hard. Could this be a "new machine" thing that shakes out after Spotlight does some initial indexing?

Wait til you get the grey screen of death like my 2010 11". Simple tasks like web surfing, word documents, iPhoto, light lightroom use, light CS3 use, no problem. Try uploading a film to YouTube, then the problems began for me, could have boiled an egg on the underside of mine. These machines are portable for one reason and that is travel and light use. Would not trust a MBA for any heavy work. Get a MBP for that..... My two pennies worth. Angry with Apple can't you tell !!!! Grrrrr:mad:

J.C
Feb 20, 2013, 04:25 AM
Took it in to Apple on the weekend. They couldn't see any CPU load or issues that would cause it but I left it for more tests. Just got a call now saying it was something to do with Citrix which I use for work. I'd uninstalled it but something was left behind. After they removed it, it started running fine.

Unfortunately it's not likely anyone has the same problem. Good luck!

SlickShoes
Feb 20, 2013, 04:46 AM
Took it in to Apple on the weekend. They couldn't see any CPU load or issues that would cause it but I left it for more tests. Just got a call now saying it was something to do with Citrix which I use for work. I'd uninstalled it but something was left behind. After they removed it, it started running fine.

Unfortunately it's not likely anyone has the same problem. Good luck!

Still good that you came back to post the solution, nothing more frustrating than finding someone with a similar problem on a forum and then you never get to know how it was fixed!

jayfire124
Feb 20, 2013, 08:01 AM
Took it in to Apple on the weekend. They couldn't see any CPU load or issues that would cause it but I left it for more tests. Just got a call now saying it was something to do with Citrix which I use for work. I'd uninstalled it but something was left behind. After they removed it, it started running fine.

Unfortunately it's not likely anyone has the same problem. Good luck!

Lucky you, a happy ending. Thanks for sharing....:)

brilliantthings
Mar 15, 2013, 07:33 AM
Yes. Installed Citrix for work and even after uninstalling my 2010 MBA 13" would overheat and use massive amounts of CPU when nothing was running. Restored Time Machine backup from pre Citrix installation and everything was fixed. Known issue with Citrix and ML. Apparently there's a update that works. Not prepared to try it.

hackerwayne
Mar 15, 2013, 10:11 AM
Recently my 11" MBA (Mid 2011) has started running the exhaust fan at high revs continually. It starts about 20 seconds after boot up and continues at the same high speed until the notebook is shut down or goes to sleep. It does this regardless of what is running and Activity Monitor shows no CPU or memory usage to cause this. I've also monitored the temperatures and it isn't running hot.

I've uninstalled everything I could and even reinstalled Mountain Lion. No luck there.

Everything seems to point to an SMC issue and the issue does seem to coincide with the latest SMC update that was to fix possible battery issues. I've tried resetting the SMC (following Apple's instructions http://support.apple.com/kb/HT3964) about 20 times with no luck.

Any ideas what it could be?

Cheers.

Have you tried to control the fan speed usign SMCFanControl?

HurtinMinorKey
Mar 15, 2013, 11:25 AM
I did some heavy photo editing in Adobe Lightroom the night before last and my 2012 MBA heated up like crazy but I heard no noise. Yesterday I go to start it up, it's cold as anything, but the fan is running non stop making a big racket, and it's continued to do so even though i have nothing open now but Safari.

I know i was pushing my MBA to the limits by rendering batches in Light room, but it should frag my entire system.

Mrbobb
Mar 15, 2013, 12:52 PM
SMC reset.