Acer aspire 7551

have a acer aspire 7551 and replaced the lcd on it. It light up with nothing else showing up on the screen. I even replaced the cable, but still nothing. Help!
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  1. Best answer
    Did you reconnect the video signal cable to the new screen before re-assembly of the casing?
  2. Best answer selected by becourts.
  3. try downloading and installing the latest BIOS for your acer from support
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