Handy tip for finding info for OEM Computers..
Find Model Number and Serial Number Of Your Computer Using DOS Commands.
Extra TIP: To lauch directly from the RUN command ( Windows Key + R), and type cmd /k followed by the command.Exapmle to PING www.google.com until stop requested type cmd /k ping www.google.com -t
Desktops and Laptops purchased from manufactures like DELL, IBM, etc comes with a serial number(or service tag) and a model name. If you ever loose this information, then you can use MS DOS commands to retrieve the information
To retrieve serial number of the computer run the following command
wmic bios get serialnumber
To retrieve model name of the computer run the following command
wmic csproduct get name