I've attempted to feed my Galaxy S with all my mp3 files from my Windows XP PC and Windows 7 laptop, with no success.

The two computers appear to be unaware of the mobile's existence when connecting them via usb.

I've also downloaded the Samsung Kies to my laptop, but to no avail!!

Peeps, what am I doing wrong??

I find the only way to get mine working 100% reliable is when I plug in the USB cable I select the option for Mass Storage on the menu that comes up. Then on the pull down tab at the top, press on USB connection and then select mount to enable the PC to see your Phones Memory Cards.