Question about ViewSonic VP201b 20.1" LCD Monitor

3 Answers

No display, green light on ViewSonic VP201b 20.1 LCD

Turn monitor on but no display. Screen is black, no backlighting. Green light is on. What could the problem be?

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  • 2 more comments 
  • Anonymous May 11, 2008

    ive got the same problem. its powered up, but the screen is black, no display.

  • 84CJ Sep 11, 2008

    Power on, green led lit, but screen black.



    Tried disconnecting the cable and reconnecting. Vista recognised that the hardware had been removed and reconnected by giving it's little noise, but screen still black.

  • Anonymous Nov 15, 2008

    Suddenly goes black, but green light is still on. Comp still thinks it's ok, but the screen is black

  • Anonymous Mar 27, 2014

    Monitor has gone black, stuck on Power Save mode light

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3 Answers

I have two broken VP201 monitors with different symptoms. One was black screen green light - like yours. The other was purple speks flying all over the screen., purple tint.

I swapped the power supplies and display boards, both monitors had original problems. I swap the inverters and the monitor which was black screen now appeared to work okay - but slightly pink and the monitor which was purple speks is now black screen.

I would therefore assume that both my inverters gone, one being on it's way out. You probably have the black-screen case.

Posted on Aug 27, 2008

Probably burned out power supply

Posted on Jun 03, 2008

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  • 63 Answers

Check the fuse on the inverter board F1.

No display, green light on ViewSonic VP201b 20.1 L - ade7bd7f-10ed-4a85-b714-5b234f87a78b.jpg

Posted on Apr 19, 2013

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1 Answer

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Checkto see if you do have 12vdc output from the power supply module as shown in my pictures: http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VP201B/

Look for bad caps (leaking/bulging tops).

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You should have 5v and 12v in the power supply sections.

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There are two places to look for the problems, the backlight inverter board and the power supply, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

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The screen is black even though the green light is on


Your inverter or backlight need to be replaced those are the main components that light up the display.

If you find this helpful please rate so.

Thanks

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