Solve my laptop 's problem

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Hello my laptop is if dell company windows 7 I was watching video in it and suddenly video stopped and turned black after that when I turn on it it turns black and only the sound of fan is heard but not other sound . So I wanted to ask you that how can I solve this problem

1 reply

So, only videos do not play, but text is displayed as normal, or there IS NO VIDEO AT ALL ON THE SCREEN? We need clarification of the indication!