Apple today released firmware updates for Intel-based Macs: Mac mini (early 2006) SMC Firmware Update, iMac (early 2006) SMC Firmware Update, and MacBook Pro SMC Firmware Update.
The SMC Firmware Updates address boot issues with the Intel-based Macs.
More info and download links:
• Mac mini (early 2006) SMC Firmware Update
• iMac (early 2006) SMC Firmware Update
• MacBook Pro SMC Firmware Update
To update the SMC firmware on your iMac:
1. Quit all other open applications.
2. Click Restart in the iMac SMC Firmware Update window and wait for your computer to restart. The SMC firmware update starts automatically. A status bar indicates the progress of the update. During the update your computer fans will run at full speed, but will return to normal once the update completes. Important: Do not interrupt the update. Your computer restarts automatically when the update is completed and opens the iMac SMC Firmware Update.
3. Click OK. The SMC firmware is now up-to-date.
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I have an 20″ iMac, and the fan runs full speed a lot of the time. Check the Apple support blogs and threads and you’ll see plenty of problems like this.
Anyone out there have a solution? Please!
Try this:
Unplug the power from the wall. Wait about 30 sec then plug power back in then reboot.
Worked for me.
Is this update going to mess up the firmware that I installed to run BootCamp? Anyone know?
Don’t know if you have Intel version or not but… I have the same issue with my 20″ iMac G5 occasionally when I run OS9 apps. Running Activity Monitor to see which application is taking all my CPU cycles I notice it is something called TruBlueEnvironment. For whatever reason this app stays running sometimes after OS9 has ended and really sucks up the processor. Stop running classic and if it doesn’t end that process, kill it through Activity Monitor and you will see instant relief.
SameSame: Classic can’t possibly be an issue as far as Intel Macs are concerned, because they can’t run it.
On the PowerMac G5s, the problem was related to the processor settings: setting it to automatic caused problems; setting it to either fastest or powersave eliminated the problem.
I ran SU today and picked up a bunch of updates and since then my IMac 20″ has had to be forced to shutdown because it wouldn’t wake from sleep even at gunpoint. Twice
Your iMac didn’t respond to threats at gunpoint? Wow! The iMac is even cooler than I thought!
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Is this update going to mess up the firmware that I installed to run BootCamp? Anyone know?
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BootCamp is unaffected – However- If you use Parallels VM (beta6)- You will need to run the install again – takes 45 seconds. No- you don’t need to reinstall your virtual OS’s.
Does anyone know exactly what boot issues this addresses? I have a MacBook Pro and Mac Mini Intel and have not noticed any issues. Also does this include the boot camp firmware update as well since I have not applied that to my mini either.
Does anyone know if this solves the problem with the Intel iMacs where they intermittently won’t boot up properly? You only get a static-like screen on the monitor – exactly as you do the first time you boot one up out of the box, only that first time it goes away and then boots normally. This happens only intermittently (once or twice a month) and can only be solved by powering down and then restarting.
P.S. Not asking for myself – asking for a friend. I use a Cube, of course.
LordRobin “SameSame: Classic can’t possibly be an issue as far as Intel Macs are concerned, because they can’t run it.”
True, but “Real Fan Boy” did not state if he had an Intel-Based Mac or not, and SameSame as stated is running a G5.
I just got the 2.16 MBP and did the SMC firmware update. Tried to install Boot Camp and can’t do it because it doesn’t recognise that I have the new firmware, which is already installed. FYI I’ve also installed Paralells and it seems to work fine. Anyone have any solution that will allow me to install/open Boot Camp Assistant?