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HP Pavilion dv4-1543sb Laptop LCD Inverter, Brand new replacement that is made from A grade quality parts, We have carefully tested throughout the manufacturing process to match the original HP Pavilion dv4-1543sb Inverter's performance. For it is made under the international standards and certification(CE, UL Listed, ISO9001/9002), we ensure that our replacemnt HP Pavilion dv4-1543sb LCD Inverter will be quite compatible with original equipment and specifications. With 30-days money-back guarantee on all the products.