There are four different cables depending on the model specs, but it looks like yours has the FHD screen and two microphones. If that is correct the part number is: 50.GZCN5.001.
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Thank you billsey. I opened my laptop, and the part number for the cable is 1422-02YC000. As you have mentioned, this particular cable supports FHD and two microphones. I got this cable on eBay for £10 (including the postage). I have installed it, and now the laptop screen works again.
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