What I can do when the lights goes out and my pc is still open? What I have to buy?(Sorry for my english, I'm from spain)
If the lights go out, what can I for the computer don't shut down (Sorry for my english, I'm from spain)
If you are referring to power outage and you REALLY want to avoid your computer going off, you could invest in a UPS: http://www.newegg.com/UPS/SubCategory/ID-72
Here you have a link with some SAIs to protect your pc. http://www.pccomponentes.com/movil/sais.html PCComponentes is from the south of Spain, Málaga I think.