Question about Dell E172FP 17" LCD Flat Panel Monitor

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Inverter for monitor?

Fix-4U, Can you give some guidance to a handyman? In regards to your reply beolw, I have the same problem with my monitor, is it possible for a handyman to purchase and replace the inverter or do I need to take the monitor to a professional? Or is it more cost effective to purchase a new monitor? Thanks, posted on Sep 25, 2008
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Rating: 85%, 66 votes

Hi...Ya! It's seems your LCD monitor backlight inverter just run out of lucks... it's burnt out. Need to replaced a new inverter. Have a nice day!

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Hi... there,
Sorry... to replied to late, just got back from vacation...Hehehe! Sure you can... don't waste your hard earned $$$ to a Prof. You can purchase and replaced yourself. That it... if you can find the parts.:) But you can try to repaired yourself by replaced a few capacitors... Good lucks!

Posted on Nov 20, 2008

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On my Acer AL1916W monitor the screen comes on for a few seconds then goes off but the power light is still green.


That is often an inverter failure. Try turning off the room light, and point a flashlight sticking to the dark screen. If you can see a very faint picture, then the inverter has failed.
Before replacing the inverter, the PSU must also be tested. If the PSU does not supply power to inverter, then the PSU and not the inverter is the part to be tested.

If the screen is not dark, but there is backlight and no picture, then the problem is not the inverter. In that case check the source and the connection cable. If the cable is OK, then it is usually the main controller board inside the monitor. Once again the part must be tested.



Mar 10, 2011 | Acer AL1916W 19" LCD Monitor

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Dear Sir, We would like to ask problem of my View Sonic monitor GV800, since yesterday the screen is totaly disappered. Thank you and we are hoping to receive a favorable reply from you. Best...

I am not sure how far you will want to do DIY repair works.
Most common failurs are due to bad caps, blown fuse or transistors in the power supply/inverter circuits.

Basic LCD monitor troubleshooting guide:

Failed TV and Monitors:
Capacitors kit: he can make you a set of caps for you.
Please post back what you find.

Oct 16, 2010 | ViewSonic VG800 18" LCD Monitor

1 Answer

Monitor is not working anymore what do i do?(black screen

Possible that the HV inverter or the CFL tubes are going bad / defective. I suggest to bring the unit to an authorized (BenQ) service center for proper check-up / test & fix the problem. regards

Apr 19, 2009 | BenQ FP731 17" LCD Monitor

1 Answer


Well, can you still open OSD. If so, step 1 press a button on your monitor to open your on screen display and used the - (- +) to guide you to OSD settings when you get there press step 1 again to open it and used the - to scrolled down to OSD lock settings and press step 1 button to selecting NO to unlocked. And that it!

Nov 30, 2008 | HP w1907 LCD Monitor

4 Answers

Monitor works for a fraction of a second

See article written by sillybit (me) for the Westinghouse 19v5. My 20v5 had bad caps in the power supply - it did the exact same thing as yours. $8 worth of parts from radioshack and an hour or two is all mine needed.

Aug 01, 2008 | Westinghouse LCM-19v5 Monitor

3 Answers

No picture

I fixed mine. Had to replace one bulging capacitor in the power supply. Yours may need more or less but it was pretty easy if you do any electronics. The specifics can be found under some of the other problem posts, especially for one of the 19" sceptres.

May 04, 2008 | Sceptre 17" LCD Monitor

1 Answer

Help in identifying this transistor for my VX924

Are they black with 3 SMD pads? They should have a tiny tiny number on the top corresponding to a SMD code that will tell you what they are (example: D9A means 5.5V zener diode).

You should be able to just get a new inverter or repurpose an inverter out of something else to get it working again. An inverter that powers any other CCFL bulb should work fine.

Mar 16, 2008 | ViewSonic VX924 19" LCD Monitor

1 Answer

How to aply?

When a lcd monitor has a black screen the inverter is usall bad. Some have a individual inverter and others have a combination Inverter power supply. Capacitors are usally the first thing to check as well as fuses. Usally labeled starting with a F.
Check out this link for videos on installation and dissassembly of Dell Monitors.

Mar 15, 2008 | Dell E153FP 15" LCD Monitor

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