This forum is full of people who have said that they ripped out connectors or broke components in frustration, causing more problems than when they started. Take a break, think through the problem and calmly start again. If you think that you can do the replacement yourself, I suggest that when you do and if you are having problems with any part of the repair and are becoming frustrated, STOP.

Once you have determined the correct part number (item #2 in list, it is also usually printed on the back of the screen), just Google the number only - nothing else, to get results for suppliers of the screen.

On p.92 are the part numbers for the various screens available for the model. Since you have to do most of the procedures to check the cable and if it is not loose or has been fractured, (usually around the hinge area where it passes through from the base to the lid) then most probably you will have to replace the screen. Scroll to p.61 to view the necessary pre-requisites and then the procedure for replacing the LCD panel. Here is a link to the service manual for your laptop.

It could be that the video flex cable is faulty or has come loose or that the screen itself is faulty. In a way it is good news, at least your motherboard (or GPU which most probably means the motherboard) is not faulty.

Laptop screen not turning on