Right after turning on the computer equipped with an LCD panel or at the time of switching to the logo window of Windows or just before the appearance of the desktop, white bands appear momentarily on the screen or an afterimage stays there sometimes.
It occurs as a graphics accelerator switches resolution. It is not a defect.
The momentary appearance of noise on the screen, the distortion of an image and the appearance of an afterimage result from the graphic accelerator that switches resolution. They have nothing to do with malfunctions. You may use it as it is.