So you need a replacement of a laptop matrix.

We recommend that you pay special attention to the monitor of your technique. If horizontal and vertical stripes are visible, the image disappears or the screen flickens, there are black or white spots on the matrix, then in most of the listed symptoms the repair is useless. So you need a replacement of a laptop matrix. In the absence of backlight or its flicker, repair or replacement of the inverter is required, perhaps the lighting lamp or the loop of the matrix.