Having problems with your HP Pavilion F1503 15" LCD Flat Panel Monitor ?

I have an HP pavilion f1503 monitor. Every time I turn the monitor on it only stays on for about one or minute then it goes black. I can sort of see the desk top or whatever windows I have pulled up but only if I look really close. Is it something with the backlight? If so, how do I fix it?


Answers :

You're right, it is the backlight. Open it up and find the board that controls the backlights (be very careful, there will be high-voltage capacitors even when it's switched off). You can usually tell because a ribbon cable will go from the screen to one board (the display control) and either two or four will go to the other one - the backlight driver board. The two or four cables come from the mini fluorescent tubes that provide the light - one at the top, one at the bottom.
Usually the problem will be a dead capacitor - look for one that looks bulgy, or has been leaking. It could also be a dead fuse, so use a multimeter and find a fuse with no resistance.
If anything is obviously burnt or melty, that's oviously not a good sign either.
It's tough sometimes to work out what component has gone, but they're guaranteed to be cheap to replace - much less than a new monitor.
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