Before shipping.we will make a fully test for the motherboard. test include the screen,keyboard,battery,wifi and all USB,output connecter.We also will send you the tested photo before shipping.the following is some photo of our testing process.
Installed common sense
Before testing please make sure your CPU, memory is working, you can try it on other computers to make sure they are working.Don’t put all the accessories on it at one time. You can try the CPU, memory and screen first.