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Inverter monitors - HP L2208W Monitor

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LCD screen totally white when turn on


The HP is a flat screen monitor used with many desktop computers. When the LCD on your HP monitor goes white, it is an indication that your monitor's inverter board has gone bad. The inverter board is a small circuit board that transfers power from the monitor's main circuit board to the LCD screen. Replacing the inverter board means dismantling the HP monitor.

1. Power down your computer and unplug the HP monitor cable from the back of your desktop. Disconnect the power cable from the back of the monitor. Relocate the monitor to a flat work surface. Place the monitor with the screen facing downward.

2. Remove the Phillips-head screws from the monitor's base stand and from the back cover. Lift the base stand off of the monitor and remove the back cover. Peel away the foil from inside the monitor around the internal circuit board.

3. Locate the inverter board near the bottom of the monitor's casing. Unplug the power cables from either side of the inverter. Loosen the Phillips-head screws from the inverter board. Lift the old inverter out of the monitor's casing and set it aside.

4. Place the new inverter inside the monitor. Replace the Phillips-head screws and fasten it in place. Reconnect the power cables to the connectors on each side of the new inverter. Replace the foil around the outside of the main circuit board.

5. Replace the back panel and base stand, and their retaining Phillips-head screws

I hope you find it very helpful.
Thank you for choosing fixya.com

Aug 11, 2011 | HP Computers & Internet

1 Answer

Dell UltraSharp 2001FP (Gray) 20.1" LCD Monitor


Most likely, this is failing "inverter."
The backlight of the monitor (that makes the image visible) is controller by a special chunk of electronics called an inverter. They tend to fail over time. The symptom is that the backlight either never comes on, flickers, or shuts off after a short period of time.
It is a moderately advanced repair job to change out the inverter, but you can usually get the part on eBay. Search for the exact monitor model number and "inverter".
The 2001FP has six lamps and the inverter is fairly expensive. You might be better off putting that money towards a newer monitor.

Apr 11, 2011 | Dell UltraSharp 2001FP 20.1" LCD Monitor

1 Answer

Benq fp222w monitor switches on but black screen no backlight what parts need replacing to fix pls


If there's no backlighting but you can see the image anyway, then your monitor might have a defective inverter. The inverter is responsible for providing power to the backlight, so if it is defective, the light won't work and it might need to be replaced.
An LCD inverter looks something like this:

denisgomes.jpg

You can easily find inverters for sale online, but be careful: you have to find the exact same inverter for your monitor, or it may not work.

Mar 02, 2011 | BenQ FP222W LCD Monitor

1 Answer

Instead of the usual Full black screen I got a cloudy white screen making all the images just like covered with a transparent or opaque white plastic.


That happens when the monitor goes off but the inverter light failed to switch off. The triac on the inverter board is shorted and must be replaced. When the triac on the inverter board is shorted a continues voltage is supply to the inverter light (or cold cathode) making your monitor to look like a transparent white plastic.

Jul 09, 2010 | LG Flatron L1750S 17" LCD Monitor

1 Answer

DEll monitor E228WFPc turns blank after being on for an hour, then turns blank ever few minutes after that. Monitor Power light stays on contiously


this sounds like an inverter problem. its pretty common with these monitors. If it is still under warranty i would contact dell. if not then you can replace the inverter pretty easily yourself, or have a repair shop do it for you.
the inverter board is available from
http://www.lcdrepair.us/E228WFPc-inverter-power.html

hope this helps

Feb 16, 2010 | Dell E228WFP LCD Monitor

1 Answer

I have an hp w1907 monitor i start up puter and after about 15 miniuts the monitor goes black i turn the monitor off and about 5 minutes later i turn it back on and works fine for about another 15 minutes


You could have a faulty inverter board. The inverter supplies high voltage to the CCFL lamp/s, these lamps are mini fluro tubes approx 1,5mm dia. and the length of the screen.
Check the inverter output/inverter board and you maybe able to get parts from
www.lcdparts.net

Dec 13, 2009 | HP w1907 LCD Monitor

1 Answer

Lcd monitor problem


The inverter board can be in the power supply inverter board combination,.you should check the power supply for bad capacitors first.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Nov 25, 2009 | Philips Brilliance 150P4CG (Beige) 15" LCD...

1 Answer

Screen comes on but goes dim within seconds


The inverter in the monitor is probably going bad. It can be replaced, depending on the size/age of the monitor. Many times it is cheaper to buy a new one than to have it fixed.

If you are a little handy, and can get the monitor open, you can find the inverter and replace it. The monitors have a high voltage area you have to be very careful around.

New inverters range from $30-75. They are very specific to the model of monitor. The best way to find one is to get to the inverter and search for the numbers printed on it.

A repair might cost you $100+

Apr 03, 2009 | Planar PL1700 17" Flat Panel LCD Monitor

1 Answer

Dead Monitor


I do not what type of inverter you have is it true wave? some inverters are cheep as they are not a true waves and they do effect the life of the Tv/Computers, etc. Tv still covered take it back and do not tell them that you connected it to inverter

Jul 25, 2008 | HP Compaq WF1907 Monitor

1 Answer

Xerox xa7 19" lcd monitor


That means that you have a defective inverter board.

The inverter is a small power board that power up the LCD backlight lamp, determining light intensity, when it is like that, the inverter is defective and must be replaced.


Nov 07, 2007 | Xerox XA7-172i 17" LCD Monitor

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