I have an apple iMac G3 Slot loading 500mhz, 384mb RAM, running OSX 10.4, and recently I ran a software update, and after downloading it told me to restart my computer. I did, but when starting up, it stayed at the apple loading screen for 20+ min. I assumed somthing was wrong, and turned my mac off. Now when I try to start it up, it just goes to the apple screen and after about 2 min, it shuts off.
