Fail to start and dvd stuck

Today my 17" failed to start for the first time, it showed as having 2% battery and went off, so I connected the power and went to turn it on, but despite hours of trying it continues to fail. Have tried many online suggestions how to fix but no success, one of these was take off back and if battery is labeled do not remove to simply unplug the small chord and then re-connect but nothing is working. I can hear the noise as normal but nothing is visible, you can hear the normal noises, but the screen stays blank. Next I thought I would try inserting a disk and this was grasped but cannot eject it. Any suggestions how to get it working greatly appreciated.