When i turn the monitor on it comes on then shuts off and stays off like the backlight is out, how do i fix this problem?
Mine too !!! The screen comes on for about a second, then shuts down. It does this after the screen has been shut down for several hours of non use. It will come back on , and stay on, after many, many attempts. Then it is perfect until it is not used for a couple of hours. Seems like it misses the connection from the computer. Like: The light comes on yellow, goes to green and the screen goes off. Any Help????? Or is it ready for the graveyard? THANK YOU !!
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Ok, another words, monitor powers up for few seconds and shuts down by itself. If green LED on the front panel turns off as well or stays on? If stays on, then inverter turns into protection mode because of old backlight lamps. If it turns off in same time with an image on the screen, then there are some bad electrolytic capacitors in the power supply.
Check to see if the image is Dimmed. Chances are the power supply on the FPD is either dead or not supplying power to the back lights.
Your problem is the power supply or the inverter on your board, you can replace it and it will be fixed. Easy Fix REALLY EASY FIX (inverter is what supplies power to your backlights. A lot of the times the reason a monitor goes black and the green power button is on, is because the backlights shut off. in most designs of the 1730 the inverter is embedded on the power supply. That is most often the case on this problem. Power supply/Inverter=Replace it and you will have a spanking new looking nice monitor working again. :)
This is a common problem with LCD monitors after a few years of use. The capacitors in the power supply board start to fail and this prevents the monitor from starting up correctly. Sometimes you get a picture and then it goes black. On some units you can keep pressing the power button and after several power up cycles the monitor will work until you turn if off. These symptoms are all common with capacitor failure. The monitors are well out of warranty now so Viewsonic will not cover the repair cost. But the repair is very easy to do yourself. You just have to replace the 6 power filter capacitors on the power supply board. Here is a link to additional information on this repair.
If the backlight was out it would stay on but you would see nothing (or very very faint) ....test it on another device...laptop or PC...I'm thinking it works still but maybe your video card bit the dust or maybe computer is not getting past the post (bios boot)...
It totally sounds like the backlight is toasted. If that is the case you will have to replace them. Normally if the power inverter is shot, the monitor will power up briefly at least and then shut off. If you can use a flash light and see some sort of image on the screen you know that your VGA chipset works however your backlight(s) are burnt out. If not, more than likely your power supply (power inverter chipset) is broken and needs to be replaced..