Placa base de NM-B891 adecuada para Lenovo ThinkPad T490S X390 CPU de computadora portátil: I5 I7-8TH RAM: 8G/16G 100% prueba con éxito y envío

Note: Please check pictures and description before orderin

Motherboard function test process

1. Inspect the appearance of the product, such as oil, dust, tin soldering or other shipboard stains.

2. Check for the absence of electronic insulating tape.

3. Check the case for missing parts, rust, rot and heat dissipation.

4. Check the liquid crystal display, dual memory, DVD drive, network connection, voice, mouse, keyboard, dial, USB, SD connector, PC, 3.3v COMS battery, battery charge and discharge, fully run 3D, restart the system at least 2 times.

About the package

We will use special static bag with bubble bag wrapped into the box

Buyer attention

1. We provide a 35-day warranty in a normal and appropriate manner.

2.Please check the package when you receive it to avoid any damage. If the package is broken, please contact us first.

3. If you encounter some problems in the machine working environment, we will provide you with good technical support, or we suggest you ask you