I am having a problem with my computer monitor, the Polyview V17E 17" LCD. It started when I returned from a trip during which the monitor was powered off and unplugged. When I first turned it on everything was fine, so I turned it off and left. Later, when I returned and turned it on it displayed gray striations (stretched-out) on the enture screen for a second or two then went black, however the blue LED power light stays lit. Turning it off then on using the power button does nothing. Unplugging it, on the other hand, reproduces the above situation with the striations followed by a blank screen. Unplugging the display input (I use DVI) does nothing. Switching to the VGA input also does nothing. Having no input at all plugged in, just the power, also produces the same results. I tried shining a flashlight into the blank monitor (as some of the other solutions here suggest) but I see nothing. It very much looks as though the monitor is shut off except for the blue LED. When I look under the Control Panel/Display/Settings it lists the Polyview monitor as "Not Active." Luckily I have a duel monitor set-up which makes this computer remain usable while also making it easier to troubleshoot the problem. Thank you very much ahead of time for any help that can be offered.
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Re: Monitor Display Problem.
Like most of these LCD monitors it is more than likely a PSU problem to do with the Electrolytic Capacitors, These in all probability will be faulty.. there are usually about 4 - 6 from 1000uF to 100uF replace ALL with same or better.
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You may have to look at the setup menu to see if you can turn on 'AUTO SOURCE SELECT' and set to auto. You may have problem with the logic board that is why it cannot auto detect the DVI or VGA port automatically.
Click start, then then control panel and click on the power management icon. When you see the screen, look at the power management "scheme" and pick the appropriate setting. I assume that what you are experiencing is what's known as "Power management" . In order to achieve an "Energy Star" rating, the computer must shut off various components to conserve power. If you don't want to have your monitor shut down, select never from the options in the Power Management screen. Thanks for using Fixya.com
The first Polyview has a power supply problem (a short) and locks out the power until it is unplugged. You need to check the voltages inside the Monitor to determine which component/s are faulty. I hope you know electronics if not leave it to the repair shop because you have neither the skills or equipment to repair it. By the way I am not a monitor repair man but I do have 30 plus years in the electronics field.
The second monitor may have a broken wire in the cord that goes to your computer. Other internal components can cause the same simptoms your seeing. Good luck!
Same as before this sounds very similar to the problem that I had with my polyview v396 19" . Its a power supply problem unclip the panel withdraw the power supply it plugs in on its own seperate board. Look for capacitors that bulge and replace them in fact replace them all on tha board not that hard. Replace them with the same rating voltage and micro fards. Cheaper than relacing the whole panel, hope this helps. :)