How to make computer identify your device

I had a problem with my YP-K3 when i lost the installation cd as my computer no longer identified the device when i plugged it in, to solve this (on windows XP) go to
1: control panel
2:add hardware
3:connect your hardware device and click "yes i have connected the hardware"
4:scroll down and select install new hardware device
5:select install hardware that i manually select from a list
6:scroll down to windows portable devices
7:and choose MTP device
this should make it so your mp3 player is now recognised by the computer
hope it works