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My Dell Inspiron N5010's screen got flickered. Now it doesn't show anything on startup


I have a problem with my Dell Inspiron N5010. I was using the laptop normally and suddenly the screen started flickering and after sometime the system halted. I tried to use Ctrl+Alt+Delete, but nothing worked.

So finally i had to shut it down by pressing and holding the power button.

Now when i start my laptop, it doesn't show anything on the screen(just black screen). but after some 15 to 20 secs the laptop fan starts and i can hear the noise.

And after that a periodic cycle of 4 beeps starts, which does not end untill i shut down the system again.

Kindly help me with this problem.


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