Line in not recognized

im tryin to help a mate fix his laptop, he wants to rec onto it but when he plugs the jack into the line in it is only showing up as a mic, no option to choose line in.

audio driver is up to date (only one on audio driver available)

this is the laptop

Compaq Presario CQ60-305EA 15.6-inch Notebook with AMD Sempron Processor, 1 GB RAM, 160 GB RAM, NVIDIA GeForce 8200M

by Hewlett Packard

any ideas?

also he is using vista!

that should be 3g of ram sorry!

Does this actually have a Line In. Many PC's only have one input jack (Mic) and not a separate Line In. Some with the one jack will switch between mic and line in either manually or automatically. The Compaq's I've seen only have the mic (mono) input.