To anyone looking at this forum post now, here is a solution that seems to work for people: [link|https://apple.stackexchange.com/questions/408104/late-2006-macbook-doesnt-turn-on-fan-spinning-but-no-chime/409754|https://apple.stackexchange.com/questions/408104/late-2006-macbook-doesnt-turn-on-fan-spinning-but-no-chime/409754|new_window=true]
Basically you need to take apart the MacBook, pull out the CMOS battery, wait a few minutes and reassemble the MacBook. Hopefully this works for someone!