i just change the ignition swich cilinder with a new key but wont stard on 1999 Honda Accord

i dont know if the key has a chip please help me

Asked by for the 1999 Honda Accord
3 answers
see previous post
http://www.hondaaccordforum.com/forum/general-tech-help-7/1999-accord-duplicate-key-35449/
IF you have your old assembly , I can tell you what to do!!! Just reply????????????