laptop screen is black

May 18, 2011 at 17:55:56
Specs: Windows 7
hello, my girlfriend dropped her laptop and now the back light doesnt work anymore. we bought a inverter board and a new back light. both didnt fix the problem. when i first hooked the new inverter board in and turned on the power to the laptop the inverter made a funny a little zapping noise as if there is a short someplace.
i hook the laptop up to my TV with hdmi cables and it works completely fine. i can see the background of the screen with a very bright light on too.
so my question is does anyone have an idea what might be wrong? do you think its a lose connection or the video card is lose?
by the way it is a hp pavilion dv7 1451nr
thank you

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May 20, 2011 at 01:42:37
you replacedt he inveter but you havent replaced the screen it self? a screen and inverter from ebay can cost anywhere from £30 to £80 depending on make and model.

personaly i would take the entire screen off the check behind to see if the ribbon has come loose, also take up the keyboard and see if any cables/wires have come loose there.

i always replace the inverter and screen together, rather than just one, thats just the way i roll, it just eliminates all other possible problems. i could recommend the seller i buy from on ebay if you like, their inverters come attached to the screen so its a simple as screwing the new screen to the laptop.

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