For LENOVO Thinkpad T450 Laptop Mainboard.NM~A251 .With I3 I5 I7 5th Gen CPU.100% Test Work

Dear buyers, please consult and read the following before placing an order1 Before placing an order, first check your laptop for damage to the (circuit board) and to see if other acceories are damaged together.e sure it is a circuit board iue before placing an order. When buying, check if our product tures are suitable for your notebook. OK no problem before ordering.2 Before we send the product, each product has undergone various functional tests / sound / 3D graphics / CPU test / RAM test / battery charging test / network test. 100% ensure normal work without quality probl3 About warranty Our products are provided with a 90-day free warranty service. If it is damaged during , you can contact us to send back the warranty.4 If you are satisfied with our products, please give us a five-star praise, thank youDear buyersWe promise that all products will be d before shment. If needed / I can send you a test video or photo before sending.