Question about ViewSonic VP211b 21.3" LCD Monitor

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Viewsonic VP211b No Power

I have a Viewsonic VP211b that will not power on. No lights, nothing. It has an internal power supply that had a noticeable bad capacitor. I replaced it, but still nothing. When I connect a small 12v blub to the powers supply output as a test, the bulb pulses bright to dim, etc. Is there another bad capacitor or FET?

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I have fixed several of these.
The most common fail on the Viewsonic VP211b is a blown fuse on the inverter board. Check fuses F1 and F2. These are Fast Blow 2.0 Amp surface mounted fuses, case style 1208. Available at Newark Electronics, part number 64R8010. They are located on either side of connector CN1.

Viewsonic VP211b No Power - viewsonic-vp211b-no-power-0r4mioey1rjkalfz5jos2omp-2-0.jpg

Posted on Mar 05, 2015

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yes. it is a 5mm center hole

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SOURCE: Viewsonic VA712b lost Power Supply need voltage & current

davsmith00, Did you look on rear of VA712B where the power plug enters the power JACK connector? Maybe it will only tell you who is positive and who is negative (gnd) some monitors state what is the required V & I for them on the rear labels somewhere. This will teach you not to lose your supply. Did the dog hide it under the bed? Good luck finding a replacement. There are sources on web that specialize in drop-in replacement IN-LINE switch-mode-power-supply Bricks. You can also try and and to see if they have something. I'm louie12fix on fixya or lmistyrel@ Bye for now.

Posted on May 06, 2009

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SOURCE: Power light blinking on and off

You will need to replace the below failed caps.
2 - 1000uF @ 10V
3 - 470uF @ 25V
1 - 470uF @ 10V

Posted on May 18, 2009

  • 12 Answers

SOURCE: vg2230wm monitor Will not power on

probably your power supply. Is it a cord direct from plug in for is there a box between where you plug it in and then a small round end that goes into the monitor. This would be the good news. If it plugs in direct then that means the power sopply is in the monitor itself which means more expensive to fix

Posted on Aug 05, 2009

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SOURCE: DCAC40A4 power converter failure

This is too funny. I have a Norwood lcd monitor with the same problem. It has the same exact board. I started to troble shoot and it is pretty tough without schmatics but there is a diode (d301) that I am getting a dead short across.

Posted on Mar 13, 2010

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Posted on Jan 02, 2017

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I turned the brightness all the way down on my vp211b - not thinking that I would not be able to see the OSD to turn it back up. How can I do a factory reset without being able to see the OSD?

PDF Manual at the link below.

Press MENU (Button 1)
Then DOWN Arrow followed by ENTER (Button 2)
Then DOWN Arrow followed by ENTER (Button 2) and you should be in the Brightness Menu

UP / DOWN Arrows should now change Brightness

Aug 01, 2011 | ViewSonic VP211b 21.3" LCD Monitor

5 Answers

Monitor only works for short period of time

These monitors have a problem of poor quality capacitors. Loss of power as the monitor heats up suggests bad caps. Marginal caps perform worse at higher temps. I repaired a VP211b in 2006 by replacing C52 and C53 on the power supply board. These are 680 uF 25V. I replaced them with 1000 uF 25V because that is what I had on hand. The monitor worked good until now (2015).
Like yours, it would lose power as it heated up. This time the big capacitor on the power supply failed. It is 150 uF 400V. Replacing the bad cap fixed it. These electrolytic caps usually swell when they go bad. The top will curve upward. There may be some brown material leaking out. Any swollen cap should be replaced.


May 31, 2008 | ViewSonic VP211b 21.3" LCD Monitor

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HOW do I open the Viewsonic VA703b - no visible screws etc - nothing happens when power is connected and i want to check internal caps and fuses etc.
here is the service manual. It says you can download it. Hope this helps.

Dec 15, 2010 | ViewSonic VA703B LCD Monitor

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I have a viewsonic vp211b monitor and when I try to hook it up to my dell it doesn't do anything at all. no pictures on the screen nothing. The power supply is fine as I am getting a green light on the...

I have repaired several of these Viewsonic VP211b monitors. In every case, the problem was a blown fuse on the inverter board. There are two fuses, F1 and F2. Either one can fail. The fuses are located on either side of the CN1 connector. These fuses are 1.5 mm long, 1.0 mm wide and 0.5 mm high (Case Style 1206). They have the letters FN printed on them. The N is for 2 Amps and the F is for Very Fast Blow.
The fuses were made by LittleFuse. The replacements were purchased from Newark Electronics. Part number 64R8010. This part number is the Fast blow 2.0 Amp (not the Very Fast blow), but they work fine.
Troubleshooting hint:
The screen is illuminated with fluorescent back lights. Those back lights are powered by the inverter. If everything is working except the back lights, you should be able to see a faint image by shining a bright flashlight into the screen.



Aug 06, 2010 | ViewSonic VP211b 21.3" LCD Monitor

1 Answer

We hava a viewsonic 1912w-4, model VSS10866 and

I'm assuming the computer is coming on alright. Double check this by putting another monitor in place of the Viewsonic. If the old monitor displays everything like normal then something has failed in the internal power supply. Take the Viewsonic to a reputable repair person or check my website

Mar 02, 2010 | Computers & Internet

1 Answer

My ViewSonic VX900 won't turn on. I have had it since late 2003 and it has operated flawlessly. Went to turn it on; nothing. No light, no standby light. Checked the power cord against another monitor and...


The VX900 has 2 different version of the unit. One version has an external power supply and the other has internal power supply. Since you said you changed the power cord I would guess you have the internal power supply version. The issue you have is caused by the capacitors on the power supply board have overheated and blown out. This is a common problem on many LCD monitors after a few years of use. If you open the back of your monitor and look at the supply board you should see the bulging capacitors. Check our web page at: for Pictures and examples of what to look for and what you need to get to do the repair. If you have any questions let us know on our web site and we will be glad to help you get going again.

I hope this helps, If so please rate our solution.

Corporate Computer

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You need to check the internal power supply to see if your capacitors have popped. Even though it may show power, the portion of the power supply that powers the LCD itself may have been damaged ::

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