Dunno, check that you have a recent driver for your card (and not the Microsoft one …). http://delphi3d.net/hardware/viewreport.php?report=938
This list shows that you card seems … way too old.
To pass these tests you may well need a better card
Indeed, the Radeon 7500 doesnt support vertex- and fragment- (aka pixel-) shader in hardware. There is nothing that can be done about that other then a software emulation that would be painfully slow.