Satellite L640 - black screen on startup

When I go to start the portable computer I only get a black screen. I can hear things fan and the startup sound happens to connect but only a black screen.

Any suggestions to solve this problem would be great!

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For better understanding, you should put a little more useful information. Who knows what you do with your machine.

What operating system do you use? What was your last step when everything worked OK?
Normal shutdown of OS?

Tags: Toshiba

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