Hence the question being <font color="#008000">Whats the best way of checking in'net history on a pc</font>
Go to the temporary Internet files folder (in Windows directory somewhere, but link in Internet settings. Right click file called index.dat, open with, and choose notepad. In the is a list of every website ever visited, and it's not cleared if he's savvy enough to delete history to cover his tracks!
but then you are making the assumption that its a PC when infact it could be a Mac some people would call them both a PC. Plus its his laptop hes got not his PC. Just being objective like
all the intesting stuff comes from doing a search for... ... *.jpg, *.jpeg, *.mpg, *.mepg, *.avi, *.mov, *.wmv