hp gpavilion g series laptop black screen

  deedi 21:48 11 Apr 14

I took my laptop apart to replace broken hinge and got it all back together fine but only problem now is when press power button the screen is black and fan is running fast the capital button flashes and internet key is on. I have checked all connection and all is fine and tried holding power button down with no battery have swapped memory ram about but still nothing, does any one have any advice/help, been over week now been trying resolve it

  BRYNIT 22:06 11 Apr 14

You say you have checked all connections. Have you taken it apart and check the connections between the monitor and motherboard as these cables are easy to dislodge.

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