1) install direct3d 8.1 ,
2)intall the drivers that worked in your pc
if none of this works ,you will get better results
re-formating your Pc and reinstalling Windows 98..
test your card in a computer friend ,
also try WindowsXP ,it have all the drivers you will
need .. windows98se is a very unstable operating system..
you will be a happer man ,when you install windowsxp in your pc