Your battery is too old,why not change it.Now,you can choose a original battery or replacement for your latitude d630.
I bought replacement battery from http://www.thirdshopping.com
If I travel arond the world,I want a surper laptop.
10.1-12 inch,the price is about 1000$,and it is important that a long life battery(http://www.thirdshopping.com).
Maybe dell and acer just for me.
What do you think about?
1) take the battery out of your laptop and the laptop charger
2) plug your laptop charger in your laptop without the battery in it,
3) Try to turn it on the normal way:
If it turns on, then your battery has gone, (Its drained and run out of use like all batteries do)
if it stays off then its a...