Great answer from Murray. If you don't have another monitor to use for the test, you can also do some other checks.
If you right click on any unused portion of your desktop and choose "Properties", it will open a "Display Properties" window.
Click the "Settings" tab, then the "Advanced" button.
The various tabs and options you will see will vary depending on the video card you have installed, but there is often a "Color" tab that you can use to try to set your color preferences. If you see a "default" button, clicking that should reset everything back to the original factory settings.
If you will take note of the name shown for your Display Adapter and the name of the monitor, then report that along with the *Operating System that you're running, perhaps someone here can provide additional assistance.
If the problem is "software", perhaps removing then reinstalling a "driver" will correct it. Usually, troubleshooting this type of problem involves downloading and installing new drivers to determine if that will fix the problem.
This site contains a great deal of information about troubleshooting both the graphics card and the monitor and may prove helpful:
Pc Guide SiteIf the problem is in the "hardware" (bad monitor, bad graphics card) then you will need to replace the bad component.
Term Definitions
DriverVideo Adapter AdapterI hope this helps!
Dwight
*Windows 98 for instance, or Windows 98 second edition, Windows Millennium Edition (WinME) or Windows XP Home Edition or Windows XP Pro.
[This message was edited by Dwight on 07-11-03 at 01:50 PM.]