Horizontal lines on my monitor. I have a Samatron monitor. It is now 3 years old. My monitor has

Question

I have a Samatron monitor. It is now 3 years old. My monitor has horizontal lines on. They sometimes clear completely and other times are there all of the time. The lines disappear when viewing photos/watching videos from discs in my dvd drive.When I have looked for conflicts/sharingit comes up withI/O Port 0x00000000-0x0000047F PCI BusI/O Port 0x00000000-ox0000047F Direct memory access controller