Lion Fan Speed

When the process was running away my battery died in an hour. I usually get 5 hours.

The Terminal fix didn't work for me, but after taking a look in Activiy Monitor, I found that one of my applications (TimeLog) was taking up 100% of the CPU!! I didn't even know it was running (or trying to run)...

After forcing it to quit through Activity Monitor, the heat/fan issue has gone way.

Same problem here, my fan goes up and down like mad....

tried copying the comand to the terminal, but got the message:

No such file or directory

nothing found to unload

any ideas what next?

This might explain it.

http://osxdaily.com/2011/06/09/mac-running-hot-and-slow-fans-loud-after-installi ng-lion/

Spotlight stopped indexing but fan still running high at 80C 3799rpm

any ideas what to do, thinking about going back to Snow Leopard

The terminal command did nothing to remedy the problem. In fact I am getting a "No such dirctory found" statement unpon executing the command. I have also checked the Activity Monitory and nothing seems to be running the CPU up. The fan is just running very high.

Any other ideas as to what is going on. This only started after I installed Lion.

Yeah I'd imagine the command only works if you have some sort of Citrix product installed. I do not, and so it gives the "no such file or directory" error.

I have an early 2011 MBP 8GB RAM and the fan is always on since loading Lion.

Column,

Have you tried disabling the 'Open at Login' features for any third-party apps you might have? System Preferences > Users and Groups > Login Items.

See if that makes a difference, then reinstate one at a time until you find the culprit. My Mac is a similar spec to yours and I managed to sort out the CPU issue by disabling a programme that didn't play nice with Lion on startup.

I will give that a try. My larger concern here is, why has Apple not already released an update for this yet? The amount of heat coming from my less than a year old MBP is insane. I can't hold it on my lap because the shell get so hot. Also I am only getting a couple hours of battery now because the fan is killing it.

I reveiwed my system the other day and with nothing at all running my fan is clocking at about 3600rpm and the GPU and GPU Diodes are at about 130 degrees. The activity monitor is not showing anything out of the ordinary either.

I'll report back after I check the Login Items.

I only had Itunes Helper and VMWare in Login Items. I went ahead and removed them. Between that and resetting the SMC, that may have helped!

As far as temperatures William Crosby, those are about what I get at idle too:

Well I disabled all of the stuff from the Login Items (Music Manager and iTunes Helper) and it seemed to help, but after about 2 hours of being online the fan kicked on and has been humming along at about 3600rpm. There is nothing else running and the activity monitor shows nothing hitting the CPU...in fact I show as 98% idle.

So frustrating.

I just posted this to another thread, but thought I'd share here as well (sorry for the cross-post).

So I just called AppleCare after I ran into the same problem with my iMac Core i3 after a Lion install and got a simple fix. First I checked and nothing had more than 2% CPU usage (which was Activity Monitor). There were a few at 0.7% and most at 0%. Flash wasn't running and the programs which index Spotlight weren't running and kextcache wasn't either.

What needed to be done was to reset the System Management Controller (SMC). For the iMac he told me all I had to do was simply unplug the power from the back of the iMac for 15-seconds, plug it back in and wait 15-seconds, then turn it on. And the fans were quiet.

I had read this first, so I asked about MacBooks (hoping to help someone here) and he said to turn off the computer, leave it plugged in, then press shift-control-option and the power button and this should reset the SMC. This is for MacBooks without removeable batteries. For removeable batteries, see below.

He had also supplied these two articles.

• Resetting your Mac's PRAM and NVRAM
• Intel-based Macs: Resetting the System Management Controller (SMC)

I hope this helps someone. Good luck, my friends.

- Rahul

Resetting the System Management Controller (SMC)

Resetting the SMC on Mac portables with a battery you can remove

Note: Learn about removing the battery on MacBook and MacBook Pro.

1. Shut down the computer.
2. Disconnect the MagSafe power adapter from the computer, if it's connected.
3. Remove the battery.
4. Press and hold the power button for 5 seconds.
5. Release the power button.
6. Reconnect the battery and MagSafe power adapter.
7. Press the power button to turn on the computer.

Resetting the SMC on portables with a battery you should not remove on your own Note: Portable computers that have a battery you should not remove on your own include MacBook Pro (Early 2009) and later, all models of MacBook Air, and MacBook (Late 2009).

1. Shut down the computer.
2. Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
3. On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
4. Release all the keys and the power button at the same time.
5. Press the power button to turn on the computer.
   Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.

Resetting the SMC for Mac Pro, Intel-based iMac, Intel-based Mac mini, or Intel-based Xserve

1. Shut down the computer.
2. Unplug the computer's power cord.
3. Wait fifteen seconds.
4. Attach the computer's power cord.
5. Wait five seconds, then press the power button to turn on the computer.

Sounds all well and good, but I have done that many times for my iMac and it stays quiet for about 10 minutes or so then it is back to around 3600RPM on the fans and super loud. I have nothing running in the background. Apple has a mess here. Lion jacks up systems.

William, that's disappointing. I was hoping this would be a permanent solution. So far, several hours after resetting the SMC, I've had no problems. If it returns, I think I'll just go back to Snow Leopard until they get this fixed. Thanks for the update.