My Toshiba Laptop won't turn on

I turned my laptop on because I wanted to watch Dvds on it. I put a normal Dvd disc in it, and opened Windows Media Player. It just went frozen. Then I minimised it and opened up another Dvd Program called Power Play. This had the same problem. It was frozen for about 5 minutes. Then I pressed the off button and it took for ages to turn off. I continued pressing the Power button, but the blue light kept on showing, and the fan was still going. I decided to leave it alone. After 45 minutes I came back, and the light and sound was gone. So when I tried to turn it back on, it wouldn't even start again. Please help!!

The problem first started by the laptop freezing after 5 min of startup.After some days i tried putting it on but it won't come turn on.The led power and battery indicator will not come up until i remove and re-insert the battery.When i do this,the power led and the charging indicator comes up but the laptop wont turn on when i hit the power button.How can i fix this?