Founder 17-inch flat screen monitors boot problems

My computer is now 17-inch flat screen monitors, a boot, there will be “the voice of the black, and the screen will shake and then to the normal.

clean up the dust and then click inside the degaussing! display problems, the reasons for the dust to clear, then menu, and then degaussing inside the fluorescent water damaged,
internal hardware, there is damage to the 1, 10 suspected .
proposal to repair.you start to have a display function automatically degaussing, a normal phenomenon.degaussing boot settings, normal, you can change.