04 accent won't start when tried looks like something under battery has come apart will start with boost when I try without boost it makes a sound like a video game

Remove and fully charge the battery. Most auto parts stores will test and charge batteries for free. It's dangerous to jump a modern-day car--a voltage spike can easily destroy your ECM (computer), alternator, or sensors. Sounds like you need a new battery.

This link may help:

https://www.askmehelpdesk.com/cars-t...ml#post1973613