Question about HP Pavilion F1703 17" LCD Monitor

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Power Problem I had an f1703 that started having the infamous blacking out problem about a week after the warranty expired. I argued with HP until they finally sent me a replacement which was identical but refurbished. That was about 2 years ago (I think), and I haven't had any problems since. Then this morning when I turned on my computer, the blue power light (around the power button) came on for just a few seconds, the screen stayed black, a of hissing noise came from the speakers and the power light went off. I turned my computer off and back on several times and the same thing happened every time. I have also tried unplugging the cord at the power supply and plugging it back in several times, as well as unplugging the cord from the back of the monitor, and I always get the same result as I do when turning on the computer. First of all, is it possible that the problem could be with the power supply cord rather than the monitor? I'm just wondering if I should try replacing that before I invest in a new monitor. Second, if I do end up replacing the monitor, can I get ANY monitor that is fairly comparable to the one I have, or do I have to match certain specifications? Can anyone recommend one that is good but fairly priced? Thanks in advance.

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Re: Power Problem

The hissing noise on your speakers is because of arcing. Do not try to operate repeatedly or you may do severe damage. The most likely culprit is the inverter board but you will have to disassemble the monitor to find out. Any loose connection that results in an arc will create noise on speakers. Hissing is usually a result of the high frequency/ voltage output small enough amperage to not blow your power supply If it were a DC arc you would just get a one time pop.

Posted on Jan 15, 2008

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Apparently this is a fairly widespread problem in 2005 and 2006 and is caused by a backlight failure; usually bad solder joints on the backlight inverter board. HP originally extended their warranty to 20+ months but it apparently has expired since the HP pages have all been removed. This is likely to be an easy repair and relatively inexpensive job by a qualified service technician and is NOT a job for the typical user due to exposure to high voltage.

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