Lion causes the Air to run really hot?

Yes I've one but it takes to much time 🙂.

I've also noticed a progress of behaviour.

But Apple has to fix this issue.

Anyone else has this problem ?

My iMac is having the same issue. Since installing Lion, my iMac has shutdown 4 times but since I use the extension ClickToFlash, I really havn't had it shutdown on me. I also run iStat and noticed that when I do run flash on a page my temp goes up as does the CPU. One reason I use ClickToFlash so it won't auto load flash content and click on it when I need to. Saves load time on pages also. Adobe will have to put out a Liion compatiable version to fix this as they have said flash can be an issue on Lion.

After investigations, it seems that this issue comes from the Airport Card which increase its temp during browsing.

Same issue here. I am currently at 151ºF with just Safari and Activity Monitor open. I am at about 85 to 90% IDLE!!!! I don't like my MBP 13" running hot. Apple needs to get to the bottom of this.

Lion does have a tendancy to run hot for the first day of use. People that have a fresh install, and not an upgrade should not notice this issue. Lion has to sort through a lot of information in the backround, and it rearranges quite a bit. Give it a day or 2 and she'll level out for ya.

Good Luck

It's not just the older air's. i have a 2010 air with leopard and the fan never comes on. i just go the 2011 with lion and i can't get the fan to stop and it's too hot for my lap now. this is just from email and safari. i just can't believe this.

Same here. I got a late 2010 13' MBA and its running hot as h@ell since installing Lion. I havent even got Flash installed on it!!

So Apple folks, you cant blame it on Adobe this time round. Most likely your own problem 😠

A quick fix would be much appreciated

My 2009 (SSD) actually started running hot while on SL about 6 months ago. Just having Firefox running would trigger the fan.

Since upgrading to Lion, it does that with nothing running. I've looked through my Activity monitor, and the Citrix process is not running. I have reset the SMC. I just now uninstalled Fusion (I was using Parallels for VMs anyway), so we'll see what happens there (read to the end; it didn't help).

Yesterday I was printing stuff from Word Just Word and the print driver. It got so hot that setting the page range was like this: Type "1," wait about a second for it to show up on the screen, type "2," wait, type hyphen, wait, type "1," wait, type "4," wait, then hit "Print."

The fan was on at full tilt all day and the computer was almost unusable. It was very hot to the touch, and the CPU was at about 155°F, if I remember correctly.

Right now, it is sitting next to me. The only application open is Chronosync (not the scheduler--that's disabled), and it's not actually doing anything. Just on. Right now, the CPU is at 139°F, and the power supply 1 is at 130°F.

This is totally unacceptable.

I had the same problem, fan almost always on and laptop (Macbook Air 2008) very hot for no reason, battery (still good condition) would drain incredibly quickly and seem to take extremely long to charge even while just browsing. I had a store check out the system to see if the fan had clogged with dust over the years but all was fine. I checked and didnt have any abnormal processes running, 10 mins ago I reset my SMC

http://support.apple.com/kb/ht3964

and that seemed to remedy the problem temporarily, no noise at all after restarting, to test I ran a race on Ashault 6 (3D driving game) and the fan only kicked in right at the end of the race with I thought was reasonable. So fingers crossed this is the solution and hopefully it is remedied with the next update, before handfuls of Macs cook themselves or ruin their batteries.

I have being using my new MBA 13" i7 1.8 Ghz for last 48 hours and I am extremely happy with the temperature levels. for the previous 5 months I was using MBP 13" i7 - this machine was killing me with heat. even web browsing was making the mac impossible to put it on your lap. MBA is neatly positioned there now and for the last 2 hours I was watching HBO true blood online - no heat, no fans.

the only thing is - I am using my macs mostly under windows 7 - via bootcamp. so maybe it is the difference from many other reviews I read here. or maybe the latest machines are fixed? I purchased mine in Canada 10 days ago.

My Macbook Air 2008 with Lion 10.7.1 is cooking itself, all while doing nothing. I might have chrome open and skype, sitting idle with a few windows open I'm getting to 100 celcius. (At this point I turn off the Air off for fear it's about to melt into a gooey pile) I read through the forums and I've done a fresh install of Lion, formatted my drive, reset the smc and numerous other tricks but nothing has changed. I've had the unit opened up and checked, cleaned, new heatsink paste applied, I can't see any further options. I cant afford the time required to downgrade to SL and re-install all my programs, I'm in the middle of a pressured project.

It seems like you ask the Air to do anything under Lion and its temperature skyprockets. My battery lasts around an hour to an hour and a half on a full charge as opposed to the usual 4 - 5. Whats going on? Should I exchange this unit? I can't work with this and I'm worried it's going to damage itself and I'll be left with a dead machine.

Naturally I'm out of warranty with a 2008 model.

How long ago did you upgrade ti Lion?

It's been about a week since I re-installed from scratch. There wasn't a lot of indexing to be done since the drive was totally clean, I've checked and there are no unusual processes running or cpu intensive programs. I've got Illustrator CS5 running now - had a look and its using 4,3% cpu, chrome 1,1%. I have very minimal software installed and the machine is extremely well ventilated.

I have a 2011 MBA 11" purchased just before Labour Day. The fans kick in with simple web browsing. Sometimes get hot, but mostly just very warm for now (though the fans irritate me greatly). I've noticed that anything running flash exacerbates things (don't even ask about my 17" MBP from 2007 running Snow Leopard...I could cook an egg on it when it's idle, and it burns my legs now).

I'm thinking of taking my MBA back to the store because I asked people there who owned them (employees) and they said it didn't run hot. I can't see how the fans would need to kick in when I'm checking the news using Firefox and that's it.

BTW my 17" has been cleaned every year by an authorized service provider, and i had the thermal paste replaced. Fan diagnostic came out fine with the service provider and at the Apple Store. Someone at Apple Store said something about logic boards getting old and not dissipating heat properly, and that he figured that's what was wrong with my 17". Not too sure exactly what he was saying but essentially he said my machine could be clean and fans running fine, but I'd still be able to cook an egg on it or burn myself because it's old so won't manage heat well.

I wish Apple would go back to making computers and chargers that won't send people to the doctor with burns!

You could buy a laptop cooler, which cost between $30-$120