boot camp heat problems

I'm still running XP SP3 32 bit, but I've found some heat issues - mostly related to graphics. Somehow, the power management of onboard NVDIA hardware is not as well regulated under Windows as it is under the Mac OS.

I've found a Windows Utility called Riva Tuner, which allows the forcing of specific graphics modes with XP - unfortunately it's not Windows 7 compatible yet. Forcing the constant use of the "Low Power 3D" setting, resolved a lot of my heat issues.

Yes, I have temp issues with my late 2009 15" MacBook Pro. Fan control under Windows is totally inadequate, which you can tell because if you use Windows for a while then reboot into Mac OS, the fan spins way up to cool the laptop down.

For the fan speed you can try http://sourceforge.net/projects/lubbofancontrol/. I saw a command-line version somewhere too but now I can't find it.

I'm running Windows 7 Pro x64 under Boot Camp and I've noticed that with the latest version of the Boot Camp drivers (as of 2/16/2010), the MacBook will randomly power off (I assume because it is getting too hot and in order to not fry the CPU, there is an automatic power-off function).

Also, whenever I close the lid, it seems to randomly shut itself off, but at other times, it will properly go into sleep mode. Very annoying.

I have windows 7 64-bit and I do notice that the machine heats up alot and I hear the fan working all the time (especially once I start working with photos and edit them.

(heat on left top side at the back)

I am kinda worried and I feel great disappointment since I spent a lot of cash on this machine... (

Very depressing verging on unuseable.

Early 2007 MacBook Pro core 2 duo (so ATI graphics).

Idling with all superfluous services halted win 7 32 bit runs at 63 degrees with fans running flat out at 6000rpm. Case is very hot. Run regular apps and temp. quickly surpasses 80. Load up a game and the thermal cutout engages withing 5 to 10 minutes.

I have tried several bootcamp and non bootcamp drivers under volting the cpu, underclocking the graphics. No real joy. Under Mac Os 10.4 runs at 50 degrees at 2k rpm. Cool silent.

I rely heavily on a couple of window apps (more so than mac) and sadly think I will need to swap to a PC notebook.

Finished tearing my hear out and am now just sad. Any ideas?

I have a *brand new* MB Pro 13" and I am now experiencing the same issues. Amazing to me to see how battery life is 1/3 that of MacOSX and then that the CPU is running a LOT more than it should be. This shouldn't be a Windows issue b/c other laptops with similar hardware don't run as hot or have as much CPU usage when idling. Hope Apple can fix this soon.

Yup, I've been getting this too. Got Windows 7 installed on a Bootcamp partition (got all the Bootcamp drivers installed and up-to-date) and it doesn't seem to manage the heat well.

The first time I noticed this I was playing StarCraft2 and the machine just shut down after about 5 minutes. I immediately switched on again and it started booting into OS X the fan went crazy and that's when I realised how hot my Mac had become.

Last night I was just downloading and unzipping loads of stuff (fetching a Symbian SDK). The Mac was already warmer than it typically gets when I use OS X but it didn't seem to be too bad so I left it to run overnight. This morning I found it had switched itself off so I'm guessing it did get too hot.

Judging by everyone else's experiences here, there's clearly a problem with the fan management under Windows. Dunno if it's the Bootcamp drivers, Windows or something else but I'd really like to this fixed.

I cannot speak for anything with dual graphics cards, but for my early 2008 15" Macbook pro, most of the excess heat was due to devices not turning off when they are not being used. Disabling unused devices made a huge difference on my machine.

See my post here...
http://discussions.apple.com/thread.jspa?threadID=2447596&tstart=0
I think I put it into the wrong forum originally; it should be here.

I would be interested in knowing if this makes a difference on newer Macbooks.

Again, I'm not sure how well this works on newer machines, but i feel that the original apple fan control scheme is sufficient for protecting the laptop components. I have never seen my processor core temperatures above 95 C.

However, since the laptop is constantly warmer in Windows, I would expect the battery to deteriorate more rapidly because heat is detrimental to battery life.

Another issue with the minimalistic cooling scheme, which, by the way, is also a problem in OSX under a moderate load, is that the Macbook is uncomfortable on the lap.