Display can not, depressed, who help me ah

Users questions: My main computer is running normal, but smoothly into the system (hearing voices), but often can not display, but display light is illuminated, how is this going on, even more strange is that when I do not need the computer time I shut the monitor directly (but not the host), when I again open display , Can not display, the display lights do not light, there is when I open the live football games, the display automatically closed (the display light is, before playing Haohao Di), once again turn the power off the computer when open when power is turn on the monitor, and monitor power button is not Work. Really depressed, ah, ah
Experts answer: who help me monitor your indicator light does not shine, if the light shows the monitor may be no problem. Change the display to another host to try, be careful not to use your signal. If you can do it, state your signal line is broken, if it might not work Is a problem with your monitor. You do not change the display if the line (do not use your signal line) that is the host of problems, or poor contact with the host signal, the host in poor contact between the circuit board, you can remove them to rub . Repair it if there is not Na Qu
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