When I switch the computer on it takes about 30 seconds until anything happens ie no 'POST' screen no, HD spinning up etc However, once the POST screen comes on it only takes another 30 seconds or so until Win7 Lite (I think) is up and running!

Is there a BIOS setting or something else under the hood I'm needing to change to help speed up start-up?
It's an ASUS P5G41-M LX motherboard with 2GB of RAM in it.
Thanks for looking.