Ever been asked to find the model/serial number of your PC? There is a very simple of way of obtaining this information.
Bring up a command prompt -
On Windows XP systems click Start, Run and type CMD in the box that appears followed by the Enter key.
On Windows Vista/7 Click Start, Type CMD in the Search Programs and Files box followed by the Enter key.
Enter one of the following command lines, followed by the enter key -
To get the serial number of your machine: wmic bios get serial number
To retrieve the model number: wmic csproduct getname
This will then bring up the required information for you.