Question about NEC PC Desktops

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My Dad bought a NEC 1700v Monitor about 5 years ago. Its a good monitor and the picture/color is still good but it blacks out after it shows desktop for about 10 seconds. To get it to come back on, can either turn it off and on again or re-apply video settings but it continues to turn off again after another 10 seconds. I've tried it with other computers/laptops and different monitor cords and don't believe that is the problem. I read some reviews on this particular model and this seems to be a common problem. Bad wiring/circuit I'm guessing is the problem (read maybe even badly placed capacitors?). Is there anyway to replace a few of the components that might make it a quick/cheap fix?

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  • ZHam Nov 30, 2008

    I also read that the inverter boards in this model usually are the source of the problem. Would it be worth it replace it? If so, where would be the best place and how can I go about finding the correct part? Thanks for any input.

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This is a CRT monitor right? Do not open the case! There is high voltage stored in a capacitor somewhere in there and you could get zapped. You can buy good used monitors at Goodwill or a computer re-cycler for $20.00. If yours lasted five years you got your moneys worth. Did this monitor work correctly on other computers? If it did maybe you have a problem with your graphics card or something in the computer itself. Try a different monitor on your computer. If everything is OK with a different monitor then you know that your computer is good and that is not the problem.

Posted on Dec 29, 2008

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2. Dim screen light and black screen display.

Solution
a.Open back cover of LCD and then replace the board of fluorescent lamb that's parts defective need to replacement. if that board of fluorescent of your LCD or laptop. no parts available or no replacement parts for that.(other know LCD monitor disposable can't repair because it's very hard to find parts or replacement parts device)
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b. Replacement parts.
Cold cathode fluorescent lamp device is use for motorcycle light accessories and desktop PC accessories. it's very easy to find anywhere motorcycle accessories store, hardware store etc. also very low price.
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LCD monitor displays background fine for a second then goes black


If your LCD monitor displays your desktop fine as it boots up and then goes blank after a few seconds, but you can still faintly see your desktop then this may seem like a brightness issue but it's not. The picture displays very faintly, this is because the LCD backlighting isn't working properly. Which in turn is either because (most likely in cases like this) the inverter circuit has failed or the cold cathode tube has blown. If you're new to the electronics business and are not sure how to solder and connect circuits then this is the job for a qualified repair technician. So i suggest you head on down to your local PC store and have a technician take a look.

If you want to try it youself go here to order some spares.
If the monitor switches off and you can't see your desktop faintly then this may just be a power saving issue. Yo fix this check out my other tip here.

If your monitor is less than a year old then I suggest you take it back to where you bought it and have them send it in for repairs or swop it out with a new one. LCD monitors usually have at least a 1 year warranty sometimes it can even be up to 3 years if you register yours when you purchase it or if it's a really expensive screen.

If the monitor is a good 4-5 years old then it may not be worth fixing or may be too expensive. I suggest you invest in a newer widescreen option. LCD monitors have drastically come down in price over the years and you can easily get a wopping 23" for as little as $180.

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1 Answer

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userunnown,

Probably shouldn't have posted about the voltage thing. Power is checked with any wall outlet, and a multimeter set to AC Voltage. Or using a voltage tester. Pardon me if I overstep my bounds, but I do Not recommend you try this procedure. No matter WHAT, I wish you to be safe.

{Electrician? Minimum charge of 1 hour (Usually), even if it takes 4 minutes. May be additional charges also. In my area? Average is around $42 an hour. If we were 'talking' about the Low DC Voltages your Power Supply puts out, I would have no problem, (And have), advising you }

Now 'looking' at the total picture in front of us, it would seem the common 'denominator' is the SSD harddrive. Wouldn't you agree?

How to know? Try using a SATA harddrive.
(Feel foolish posting that to YOU, sheesh! )

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