How to reinstall windows vista if it wont boot

[HAPPY123]

How do i reinstall windows vista if it won't boot, and i don't have the CD/DVD

 

[ksiemb]

How do i reinstall windows vista if it won't boot, and i don't have the CD/DVD

There are many different causes for not booting, therefore, multiple corrective actions. Helps to know if you have PC/Laptop, the Manufacturer/Model, what you have already tried to solve problem.