Graphics problem in my games.

[Space_Munky]

In almost all my games,weird lines appear across my screen and sometimes I cant even see what Im doing.I have tried turning off anisopteric filtering,vsync,bloom etc but it still happens.For example in a fps the lines would appear brown,green,blue and strech across the screen usually connecting to the crosshair.This is extremely irritating please help.
My computer specs:

2,4ghz processor
512mb ram
80gb hard disk
radeon 9200 128mb(with latest drivers)
direct x 9.0b

 

[Nodsu]

You could be having heat issues. Do you overclock? When was the last time you cleaned the insides of your computer?

 

[Space_Munky]

Thanks for replying

I have cleaned the insides,and im not overclocking.It seems as though its got to do with the graphics software or something,i have re-installed the graphics and i still get this problem.My friend has the same card and he gets no errors at all,plus he has the same updates,it only happens in some games,in other games the objects will take on a green purplish colour but no lines.Please if you have an answer,maybe a setting i have is messing the card up if you could tell me how to fix this i'd be eternally grateful.

 

[Anonymous Danny]

did the card come with the pc or did u buy it separately?

 

[Mictlantecuhtli]

Maybe BIOS settings affect this? Fastwrites, AGP 4x/8x ?