"Guy Smith" wrote in message
. ..

" I am looking into upgrading my son's PC. How do I identify which new
motherboard will fit into the existing tower please? "


If you download and run Everest Home Edition (
http://www.lavalys.com/products.php?lang=en ), it will give you a list of
your current hardware. If you copy and paste the results back here, you can
get all kinds of further advice.