1. There is a gap between the laptop screen and the shell, indicating that the screen and the border are not well attached, the border size is too large or the screen thickness is too small.
2. The gap of the new machine is too big, and there is dust in the gap. It will be a prototype. Download the usage time of Master Lu's test hard disk. It will take shape in more than 20 hours. You should go to the regular after-sales service department to clean the gap dust.