Dear buyers, please consult the following before placing an order.Our company is in Shenzhen, China. We are a profeional manufacturer of laptop s. Our company sells various notebook s.Profeional s Samsung DELL HP Toshiba Lenovo ASUS MSI Blue Sky and other notebook s1 Before placing an order, first check if your notebook is damaged on the (board) and check if other acceories are damaged together.e sure the board is damaged by the problem at the time of purchase.2 Before placing an order, please check if the product you need is consistent with the descrtion of our product ture, to ensure that it is consistent in the purchase / if the subsequent product is found and the actual requirements are notNeed to bear the buyer's freight3 Thank you for your trust and support for our products. Before we sent the products, each product has paed various functional test/sound/3D graphics /CPU tests./RAM test / battery charging test / network test. And other functions.4 About Warranty Our products are provided with a 90-day free warranty. If damaged during , you can contact us to send back the warranty.