left side of my screen I cant get colour

[kjd]

what problem or damage would this be?

[Mr. Roboto]

what kind of screen do you have....a crt or lcd?

[kjd]

crt. it actually changes colour when i swivel it

[Adragontattoo]

check the VGA cable first. It sounds like there are loose pins but that may not be it (or totally the issue)