1. For Lenovo Legion rescuer Y7000 Y530 Y545 Y540 Y7000P2. Each item has been checked and in good condition before shipping. 3. Professional installation is highly recommended. We will not be responsible for any damages to your notebook/notebook that you may cause during the changing of replacement parts.Important note: After receiving the product, please ensure that the product is not damaged before installation. If the product is defective, installation is still carried out. We do not accept return of the product4.Delivery in 2 working days after confirm payment5.Excellent after-sale service