KEFU X540MB Mainboard For ASUS X540M A540M X540MB X540MA Laptop With N5000 N4000 N4100 920MX 8GB 4GB~RAM 100% Test

Pay attention before buying

1. Please confirm whether your old model is suitable (you can send us a ture to confirm).2. The needs to be d in conjunction with your other acceories. CPU memory, screen cable, hard drive cable, power cable Please e sure your other acceories are working properly.3. Electronics require specialized knowledge. If you are not good at repairing the computer, please purchase it carefully or ask a profeional engineer to install it. We do not provide warranty service beca the is t due to improper operation.Shping method:1. We wilive you an accurateing number.2. We recommend standard expre shping (safe and economical), if the package you received is seriously damaged or deformed, you need to take a photo for me. Ref to sign for the package and iue a package damage certificate to the post office to protect the interests of both parties.3. If you want fast shping orders, please choose , UPS, , , ARAMEX.4. The price does not include anyes and duties.Ar-s service1. 90 days warranty, starting from the recet of the package2. If there is a problem with the , the buyer can choose to exchange or return the , we wilive a full . (Buyer pays shping to China, seller pays shping to your country)3. If the buyer buys the wrong product, all shping charges will be p.4. If you are not satisfied with our products, please do not raise any disputes and contact me, we will try our best to e you satisfied.5. Each will be labelled by us before shment. If you change it without authorization, we will not provide warranty and return.Ts:1. Please e sure your CPU and memory are working properly before testing. You can try it on other computers to e sure they work normally. Don't put all acceories on it at once. You can try CPU, memory and screen first.2. Whether the Caps lock key works is the dividing line between whether the works. If the caps lock key can be switched, it means that the has been powered on and working, and the CPU, memory and are basically sure to work. At this time, we should pay attention to the problem of LED display and LED display. The most ant thing is that all acceories must be removed without electricity, otherwise the acceories may be ed.3, can not switch. Please check CPU and memory.