Watch the Video below to get an idea of how to change your connector https://youtu.be/CReTjMVK5zg Also here is the part you'll need to purchase http://www.amazon.com/dv6-3001au-dv6-3001tx-dv6-3001xx-dv6-3002au-dv6-3002xx/dp/B00H6H28A0/ref=sr_1_1?s=books&...-1&keywords=HP+Pavilion+DV6+AC+DC+Power+J...
The processor (CPU) can physically be removed and replaced with a faster one but it is very difficult and expensive and rarely cost-effective. The best upgrade is to maximize the memory (2 or 4 gigs depending on exact model), upgrade to Windows 7 (64 bit if you have 4 gigs of memory) and install a 7200 rpm hard drive.
