entire top half of laptop (screen, backlight, webcam and mic) not working

i ordered a laptop (HP dv4-2045dx) from amazon recently and it was used, so I expected there to be some minor problems maybe but I expected that it wouldn't have any major problems because there were none listed. But I noticed when first booting it up that it didn't display on the screen so I hooked it up to my hdmi and it showed up, I thought it might be just the backlight and screen which I would replace later but now I was trying it again and noticed that neither the webcam nor the microphone work either, basically everything on the top half doesn't work and I don't know what to do. Can anybody help?
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More about entire top half laptop screen backlight webcam mic working
  1. Hi :)

    Return it....

    All the best Brett :)
  2. assuming that its still in the RMA period for Amazon, RMA it pronto.
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