Cheap And Discounts Laptop Motherboard For HP Pavilion DV7 DV7-4000 DV7T With HD5470 512M 615686-001 615686-501 615686-601 DA0LX8MB6D0 100%Tested OK Wholesale. Buy Directly From Merchant Shenzhen Motherboard Franchise 2 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.