Question about ViewSonic VA712 17" LCD Monitor

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I have this monitor - ViewSonic VA712 and when i use it, turn the PC on, the monitor power status light turns green, then display turns absolutely black (still the power status is on GREEN). Can hear from speakers Windows XP welcome music, normal boot, etc but NO DISPLAY! Any idea how to correct the NO DISPLAY status please? Help is very much appreciated, thank you.

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Very common problem with Viewsonic and all other brands of failed moniotrs is due to bad caps as you can see here:
Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Please post back what you find for further help.

Posted on Sep 04, 2010

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Posted on Jan 02, 2017

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1 Answer

Monitor - Display problems


There may be a power supply failure in your monitor

May 30, 2013 | ViewSonic VA712 17" LCD Monitor

1 Answer

LCD Viewsonic monitor VA712, very very light display/no display.


Look for bad capacitors with bulging/leaking tops, it is similar to the 19" version as shown here:
http://s807.photobucket.com/albums/yy352/budm/VIEWSONIC/Viewsonic%20VA912B/

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Sep 09, 2011 | ViewSonic VA712 17" LCD Monitor

1 Answer

When you plug its power supply, the indicator light green color will appear, then it goes out after a few seconds..


If you don't have a computer connected to it that is powered ON then thats normal, its going into stand by.

Jan 18, 2011 | ViewSonic VA712 17" LCD Monitor

1 Answer

View sonic monitor VA712 doesn't display picture even after power supply light turns green


It may have blown fuse in the backlight inverter board, that will be the first place to look.
Post pictures if you can.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series

Dec 19, 2010 | ViewSonic VA712 17" LCD Monitor

1 Answer

My view sonic VA712 monitor doesn't display any picture even after power supply light shows green.


Hello Dear I also have the same problem and finaly I found its power adopter faulty which gives the same voltage as mentioned above it but on load they dropped to 17 volts instead 19. I used another supply and the monitor works normaly.so try this

Dec 19, 2010 | ViewSonic VA712 17" LCD Monitor

1 Answer

I have Viewsonic VA712 monitor 17" i am not able to hear sound


Here is the user manual: http://www.viewsonic.com.au/support/manuals/files/LCD/Series%20A/VA712%20User%20Guide%20English.pdf
Make sure to hook up audio cable as shown to your PC.

Additionally you can try to download drivers for the same which can be found here http://ap.viewsonic.com/in/downloads/

Apr 21, 2010 | ViewSonic VA712 17" LCD Monitor

2 Answers

My VA712 does not turn on, when supply button (mains) not from front panel, switch ON it shows blank screen (no sign of turn on) but when repeatedly switch ON & Off it Turns On & shows the display....


bholesir, If unit covered by ViewSonic warranty, USE IT!!! The units "switch-mode-power-supply" is in need of service!! Unit WILL require inspection and repair of possible bad (poor quality soldering) soldering of electronic components to the prinded circuit cards and or need replacement of bad (poor quality) electrolytic filter capacitors on the unit's "switch-mode-power-supply"/"CCFL inverter circuit" that have failed!! Do a visit to YOUTUBE for "LCD monitor disassembly" and "LCD monitor repair" so you can familarize FYI with what is inside your monitor, and possibly make a decision to do a DIY repair or contract out the work to a local TV/LCD monitor repair shop. If your pocket is deep enough, maybe you will repair and buy a new unit, keeping VA712 as spare unit for a rainy day. Read more of my responses to other owners in my FIXYA profile for more options not mentioned here. Good luck with repair. 12fixlouie

Jan 27, 2010 | ViewSonic VA712 17" LCD Monitor

2 Answers

VA712 Lcd monitor taking long to show display


My VA712 is exactly the same as yours. Did you ever get a solution?
Thanks,
John

Oct 04, 2009 | ViewSonic VA712 17" LCD Monitor

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