Software :: Display Does Not Show Any Picture Or Color?

Specs: I have an IMAC G5 Power PC. The display is 20 inches and the processor speed is 2.0Ghz. I have 512 megs of RAM and 250 Gigs of hard drive space. I purchased the computer in the summer of 2005 and until now, it has worked like a gem.

Problem: My display does not show any picture or color. My wife told me she saw infared-like colors while using the computer and then it went completely black. I booted the computer in transfer mode and used my lap top to transfer all the files off the computer.

I then followed the troubleshooting procedures on the webpage [URL]. All the LED lights come on and I do not see any dim light when I examine my computer at an angle.

After the screen went blank, I purchased the VGA adapter cable and plugged in an external monitor to the computer, but I didn't get any picture on the external monitor, probably because the adapter mirrors what is on my screen. I had hoped I could completely transfer the picture to the external monitor, like you can do with a laptop, but I couldn't figure out how to do this.

Questions: What is wrong with my computer? Is is possible for me to use an external monitor even when the computer display doesn't display any picture? If so, how can I do this?