Question about BenQ FP791 17" LCD Monitor
WHEN I START UP THE HOME PAGE COMES UP AND THEN IT GOES OF AND I HAVE A BLACK SCREEN . I TURN THE MONITOR OFF AND ON UNTIL EVENTUALLY THE HOME PAGE STAYS ON , IT TAKES ABOUT 7 TO 10 TIMES SWITCHING THE MONITOR OFF AND ON UNTIL THE PAGE STAYS ON AND THEN IT IS GOOD FOR THE WHOLE DAY. UNTIL IT IS SWITCHED AT NIGHT AND THE SAME THING HAPPENS THE NEXT DAY. HOPING YOU CAN HELP THANKYOU.
If you can check your monitor with another computer, that would be the best inspection and make sure that the problem is from LCD monitors. The following steps are how to check what wrong with your monitor.
1. Power on both CPU and monitor. After it goes off, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely.
2.If you can see the icons or any image, there will be a minor problem. I used to check my LCD monitor and could see window image using flashlight and found out that Some of CCFL lamps inside were broken and it is very easy to replace.
3.If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so.
Posted on Mar 14, 2008
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