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1.检查屏幕右下方蓝灯是否是常亮状态
2.按屏幕右下方的Menu键,看到屏幕设置的窗口后,用Menu右边的方向键选择到Input选项,并确认是选择了HDMI
3.若上述情况都正常,请通过方向键进入Other选项,用Menu键进去并选择Reset,即可重置屏幕的参数,过10-15秒,若屏幕没有硬件问题,就会正常显示