Monitor color IBM P200

[Guest]

Horizotal lines across the display

 

[jaguarskx]

Get it repaired or replace it with a LCD monitor.

 

[geofelt]

Check for magnetic interference nearby.

 

[coozie7]

Sounds like a scan problem, check the cables and refresh rates are OK.
It could be that the tube is on its way out, a TV or monitor repair specialist will tell you if this is the case.