Question about AOpen F2705 17" LCD Monitor

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Thsi monitor stays on for a few minutes then goes blank.Any ideas what is wrong?

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Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

Posted on May 16, 2010

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1 Answer

The monitor powers up and the analog icon blinks on and off and nothing else happens...no colors...when connected to computer.. the images show for a few seconds and goes blank...turn monitor off and on...


Most common failure in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, falied inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what goes wrong: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further.

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You need to open it up and inspect the PCB for bad solder connection or over heated components. BenQ made monitors for Dell, so look at some pictures of failed Dell monitors here to get some ideas what could have gone wrong with your monitors, post back what you see so we can guide you further: http://s807.photobucket.com/home/budm/allalbums

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Hi,

It sounds like there's a problem with the monitor itself. It may be that the lamp in the computer is dying, which would explain why it keeps going out. Other possibility is that the monitor isn't receiving power properly either through the cable or inside the monitor itself.

If your're not the kind of person who wouldn't mind opening the monitor up and hopping in there, then I recommend you take it somewhere it can be diagnosed like Best Buy.

Hope I helped :)

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1. You can see images on the screen for a few minutes. That means there is nothing wrong with your computer.

2. When your screen goes blank, if you disconnect and then reconnect the monitor, it shows fine again for a few minutes before going blank (or dim) again. That means the problem is not with you video card.

3. It always shows the image after reconnection for exactly a few minutes before going blank again. yes? this means that there is nothing wrong with your cable.

Conclusion: Sorry, but you do not have many options. I bleieve that the problem is with your monitor that's going bad. Its far cheaper to get it replaced than to repair it.

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Does the power light stay on? If so, you have an inverter problem. If the power light goes off, you have a power supply problem.

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There's an internal electronic part/s of your monitor that are cold soldered / defective. I suggest to bring the unit to an authorized service to properly diagnosed & fix the problem. best regards

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It's not the monitor it's your video card replace it

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z mean sleep or power save. Try to go to the power option in the control panel and turn off all energy saving options (monitor, harddisk, computer). It this works, you can leave the setting as is or you can adjust it accordig to your preference (ie, in battery mode turn off the monitor in 15 minutes...

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