Firmware Update 1.2 will NOT install.

Hi, I have a 20" Intel Core 2 Duo iMac; 2.16GHz late 2006 Model. Today, I tried to update the firmware when apple told me on the software update that I need to update my firmware. I downloaded the firmware update program. In the Utilities I double clicked on it and it started. It said that I needed to close all my applications which I did and click shutdown. After clicking shutdown it told me to push the power button to restart it manually. It started up and a progress bar appeared on the screen for about 1 second, then it disappeared. The computer restarted itself and it came back to the desktop with the firmware update program saying the same text box as before. It said if this box reappears then the firmware was not properly updated. So, what should I do? The only hardware changes I've made to my computer recently was updating my memory to 2 GB from the original 1 GB. Could that cause this problem? If not, what should I do? Also... the firmware version in the system profiler was the same as before IM51.0090.B08. Please only respond if you have encountered this exact situation before or know the solution, don't reply if you just have hypotheticals that are not directly related.

Bobby..I can't say that I know the solution for sure...but I do have the exact same model iMac as you..and the 1.2 Firmware installed perfectly for me
Reading your post...I am wondering if you held down the power button long enough to hear the rapid beeps while the iMac is restarting and/or the fast flashing of the light on the front of your iMac... mine did both...could be the problem if you didn't hold it long enough...it took about 3 minutes for the update to install
Since you saw the text box and the firmware was not properly updated I believe it said to apply the update again
dave

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