Question

How do you fix a computer that does not want to start up

Answer 1

Go to a person that can fix your computer or you can replace the battery. Another option is charge your computer. 

Answer 2

1. Check if it is fully charged.
2. Check how old the battery is and if it is old, replace it.
3. Make sure it is in a general good condition.
If none of these work, take the computer to a maintenance center.