I think what he is saying is that there is a place for a slot but there is nothing there. Many part manufactures use the same printed circuit board for various models... my guess is that his motherboard shares the same PCB as another model that includes an AGP or PCI-E slot, but his does not. There is no modification that can be done, as even if he did find a PCI-E or AGP connector, the board would not have the correct chipset to use it.