Hello! It appears that you are having a problem with your ALIENWARE X17 R2 laptop screen, which has two black lines on the left and right edges. If you have been unable to find a replacement screen owing to stock shortages and expensive prices, try contacting official ALIENWARE customer service. They may give advice on where to acquire genuine replacement components or propose remedies to the problem. Furthermore, searching trustworthy internet marketplaces or authorised resellers may help you find a suitable replacement screen at a lower cost. Remember to check the validity of the products and seller reviews to guarantee a secure purchase. I hope this helps, and best of luck repairing your laptop's screen issue!