Hi there. I've had my iMac G5 PowerPC for about 4 years now (currently running Leopard 10.5.7). Over the last couple weeks I've noticed the screen, at times, has been scrambling/blurring a bit. It's almost as if it looks like radio interference in a way. Whatever is on-screen appears a bit blurry and the colouring is off. In the past week, I've had to shut the computer off in order to reset it. The screen froze so I couldn't even shut down properly; I just had to power off. Could this be a virus? Can anyone offer any advice as to what to do?
Thanks in advance.
Thanks in advance.