Question about ViewSonic VP171b 17 in. LCD Television

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VP171b : white screen problem

The monitor(VP171b viewsonic) was working fine. Res: 1280X1024 60Hz. suddenly the screen became white. after repeated power on. the screen display came back and faded away. Looking from tilted angle the screen appears to show graphics when turned on but slowly fades to white screen in few seconds. What could be the source of problem? is this fixable? thanks

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  • andromeda133 Nov 04, 2008

    same issue with my LCD

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5 Suggested Answers

  • 70 Answers

SOURCE: ViewSonic VA721 monitor

this is only an educated guess based on my years of computer and electrinics experiance. I believe the problem is the AC inverter that supplies current to the monitors back light,it powers up and fails. the monitor is working but without the back light you get a blank screen.The problem is fixable, but the delema is that for a technician to troubleshoot and repair the problem may cost as much as replacing the monitor since the prices have dropped so much in the last few years.

Posted on Dec 23, 2007

  • 395 Answers

SOURCE: Picture goes out after 1 second, audio is fine

the problem is not the mian board but the DC to DC inverters that drive the lamps behind the panels some manufactures make them available seperate from the panel but most are a part of the panel. so the whole panel may have to be replaced.

Posted on Jan 17, 2008

bammbammfran
  • 159 Answers

SOURCE: Viewsonic VX910 powers on, screen displays for 1 second then turns off

Blinking on and off is not always a capacitor issue, it is usually caused by faulty transistors at the high output transformers that light the backlights. Crappy board design ! But fixable in most cases.

Posted on Aug 10, 2008

SOURCE: Viewsonic VE170 dislay problem

Your LCD inverter is giving up. You can either buy a new inverter but its a bit expensive
http://www.lcdpart.com/Products/cpc1151r0015.html,
or you can have it fixed by some electronic expert.

Posted on Dec 05, 2008

Fix-4U
  • 293 Answers

SOURCE: Viewsonic VA903b Flashing green light (slow)

Hi..there,
It's seems you got a busted backlight inverter problems... Need replaced with a new one. Happy Holidays!

Posted on Dec 16, 2008

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2 Answers

I need the monitor driver for vp171b


http://driverscollection.com/?H=VP171b&By=ViewSonic

Mar 27, 2011 | ViewSonic Computers & Internet

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VX924 (Silver, Black) 19" LCD Monitor: monitor has suddenly gone white...


My VX924 did the same thing but now displays nothing and power switch light just blinks. According to an answer listed on previous page, it may have bad capacitors. I may have to take a look at them. Viewsonic repair facility examination of this monitor runs $70.

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Viewsonic has trouble turning on-- seems to backlight (screen lights, makes an electronic hum), and then go to dead (yet the green power indicator stays on).


Hi, well if this is the inverter board, then its probably more cost effective to buy a new screen, same thing if this is the cathode lights. Reason for that is the technician will charge to replace, so cost will get anywhere from 50 and up. Only one question, how many years old is it? I do believe Viewsonic has 3 year warranties.

Nov 01, 2009 | ViewSonic VP171B (Black) 17 in. Flat Panel...

1 Answer

Suddenly hor. lin. became "narrowed", smell of overheated element


try a good slap most times it works

u may have to try looking at options to change the monitor soon too, its a sign to say the monitors's getting old

hope this helped
pls rate

Jun 29, 2009 | Samsung SyncMaster 900 SL Plus (White) 19"...

1 Answer

ViewSonic VP171b resolution problem


If you went from a standard screen to a wide-screen, you have to upgrade the video card.
Also, try going into the menu option on screen and have it automatically detect settings.
First thing you should do is update your drivers.
Should have said that first.

Jun 12, 2009 | ViewSonic VP191b 19" LCD Monitor

1 Answer

Screen goes white after 12 seconds


Per the first hit on Google for 'viewsonic fades white', http://forums.worldofwarcraft.com/thread.html;jsessionid=A68BB7FE4AF6EC93EB730E8588C865A2?topicId=4064461903&sid=1
(which you should go on and read in another tab,) you need to contact Viewsonic about an inverter board (for the CCFL backlight) or switching your backlight to LED while spoofing the INVERTER_OK signal to keep the display from giving up as it does.

So...this should be a hint that you should respect others' time (or be moved to increase usability) better by searching for cures in similar Viewsonic monitors, and of course checking the obvious search terms.  Viewsonic evidently has a nifty knowledge base available for all on the web, so that one would be a nifty surprise.

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the capacitors in the monitor give out have to see a technician

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1 Answer

Monitor Blanking


Buy a new monitor... It will make your eyes stop watering.

Sep 16, 2006 | ViewSonic VP191b 19" LCD Monitor

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