Eboy, I confess to have missed the point that this was a LAPTOP! Sorry that I may have wasted some thinking time...
No sweat, my example in the second link was also in a laptop. They only have one drive as normal so there is never a need to designate one as Master and the other as Slave. Certainly, don't go unscrewing bits of it or you will invalidate the warranty.
So, use a caddy (Amacom or Minibank) and connect either by Firewire or USB to do your cloning. (I only know Partition Magic so would recommend that). Run your laptop on the old HD and put the new one in the caddy and clone your partition that way. Having cloned it and made it "Active", swap them over and it should boot from the new Partition.
There is a certain amount of swapping drives in and out of the laptop so wear and tear on the connectors is a risk. Minimise the "wiggling" of connectors.
Good Luck fob