Flat screen monitors in the middle appear bright stripes

AOC 17-inch flat screen monitors, after the boot screen black, emergence of a middle-ming stripes, and sometimes only half the normal display screen, sometimes after boot normally show, but the center of the screen is there will be a rectangular Region by the white-point short-term flicker be about 5 * 5cm, blinking away after a while, the normal screen, integrated graphics card for, what is the reason?

the CRT, in the case of Bulgaria if it is to change the picture tube, electronic traction problems in the

1, in the warranty period, the rate of repair to

2, is not a warranty, the proposal will, to use another bad display is broken, if the warranty to guarantee that if the warranty has been to repair shop for maintenance, not to continue to use, otherwise the problem Seriously