Ooh. I was afraid of that, although I had a suspicion that that was the problem.
Thank you for your help, Satcomer. I think I might take it into Staples to have it looked at, maybe they can put some new RAM in.
I'm a relatively new Mac user. In fact, I haven't had that much experience at all. I work in a donations store and today we got a donation of an iMac. I searched around a bit and I'm sure it's a G5 model. It looks like <a...