BTW, HP doesn't use lead in their solder (for a long time now) and the motherboards fail constantly due to the solder joints cracking (ever notice that you can fry an egg on an HP laptop?)! The HP motherboard failure rate is an epidemic with their consumer products!
It's not just HP, nobody uses Lead Solder since it was effectively banned in the EU almost 10 years ago:
"On July 1, 2006 the European Union Waste Electrical and Electronic Equipment Directive (WEEE) and Restriction of Hazardous Substances Directive (RoHS) came into effect prohibiting the inclusion of significant quantities of lead in most consumer electronics produced in the EU."
http://en.wikipedia.org/wiki/Solder#Lead_solder