Question about Envision EN-7220 17" Flat Panel LCD Monitor

Help monitor works for 3sec then goes to black screen or dark everything is their you can bearly see it but its their . i droped this monitor an it worked fine till know . I've been told the black lite in it has failed , Can it be fixed

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Kevin Shafer

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1,314 Answers

It does indeed sound like a backlight problem. Generally speaking, the expense in finding a new backlight and having it fixed isn't worth it considering a new 19" monitor can be had for $150.

Posted on Jun 11, 2007

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My dell inspirion 6000 laptop screen goes black but sometimes I can see the windows screen but it's very dark. When I attach it to a desktop monitor it works fine but the laptop is still dark. Sometime the...

The back light is the whole of the screen, the screen is illuminated by a CCFL lamp (fluro tube) on the bottom of the screen. A inverter supplies high voltage to this CCFL lamp.
If your laptop appears to boot up and the hard disk LED flashes, then the problem is probably a back light fault. This can be a faulty inverter or a faulty CCFL lamp. Please click on this link and follow my instructions to identify the fault and possible fix :-
http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

Feb 08, 2011 | Computers & Internet

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Viewsonic VA912b. Monitor will only turn on for a

Bad caps in the power supply, common problems. See examples here: http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20V912B/

Oct 16, 2009 | ViewSonic VA912BWB 19" LCD monitor

1 Answer

Screen goes dark after a few seconds

try fn+f7 that Toggle external monitor,and disconect external monitor before starting

Jun 13, 2009 | Lenovo 3000 N100 0689 Notebook

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The LCD does goes dark after power on

you mean few second the monitor goes in black. then its come. if it happen, it is ok

Jan 21, 2009 | Sony VAIO® VGC-LS37E PC Desktop

1 Answer

Screen goes black after 30 seconds

Yes, this is a backlight problem. However, it could be either the light itself or the inverter that powers the backlight when it fails like this. I'd recommend replacing the entire screen plus housing and hinges (it is often sold as a complete unit) or just replace the inverter (often relatively cheap) and then if that doesn't fix it replace the screen (the backlight is non-replaceably attached to the screen).

The other option is to simply attach it to an external monitor and use it like that. This is also a free way (well, as long as you know someone that has a monitor) to make absolutely sure that the problem is the screen and not anything else.

Jan 19, 2009 | Dell Inspiron 8500 Notebook

1 Answer

Acer laptop has developed a fully dark screen

I am assuming that you have tried switching from external monitor output and local monitor. There should be a hot key on the keyboard to switch it. Also, try looking to make sure the driver for the display is up to date. I f it was update recently try rolling the driver back. If you need help with doing any of this post a comment. Hope this has helped some.

Dec 02, 2008 | Acer Aspire 3680 Laptop

1 Answer

My monitor works for a little while, then goes black.

Your power-inverter board needs an overhaul.
Probably in need of the standard capacitor replacement.
OR
a bulb in the screen is bad (a bad bulb will usually show symptoms)
It will flicker, or will look pinkishish for a bit or dark in the middle top or bottom of the screen.
ebaysbammbammfran

Oct 11, 2008 | E-Machines eMachines Monitor E15T4

2 Answers

Monitor stuck on black, menu buttons not responding

It's sort of a solution, but I work in a computer shop and got this screen in yesterday. I looked at it closely and it's actually the backlight that died. I pulled it apart and found that three of the 820uF/20V capacitors had swollen up. If you replace them then you should be fine, but I went for a different approach and took the inverter board from a laptop and put the in the screen and used an external power supply. It's a bit dark but it works fine now.

Aug 08, 2008 | Samsung SyncMaster 740N 17" LCD Monitor

1 Answer

Panel doesnt turn on

First check all of your connections (power as well as video connections). If they are all secure, then make sure that if there are multiple inputs that you have it on the correct input (by cycling through the sources with the corresponding button). If none of that works then look carefully at your screen to see if you can make out anything on the screen. Sometimes if the LCD inverter goes out then everything is VERY dark. Hope this helps.

Apr 12, 2008 | HP vs15 15"LCD Flat Panel Monitor

1 Answer

Help

If the monitor was dropped, most likely you damaged the internal components that provide the picture, whether LCD or CRT. Try connecting it to another computer. If this doesn't work, check the monitor's display settings or operating system display settings for contrast or brightness. NEVER open up the monitor, because there is a high voltage capacitor that stores voltage even when the monitor is off and could kill you if it discharges.

Jun 11, 2007 | Envision EN-7220 17" Flat Panel LCD...

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Help monitor works for 3sec then goes to black screen or dark everything is their you can bearly see it but its their . i droped this monitor an it worked fine till know . I've been told the black lite in it has failed , Can it be fixed

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Kevin Shafer

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EN-7220 17" Flat Panel LCD Monitor

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Help monitor works for 3sec then goes to black screen or dark everything is their you can bearly see it but its their . i droped this monitor an it worked fine till know . I've been told the black lite in it has failed , Can it be fixed

1 Answer

Kevin Shafer

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Related Questions:

My dell inspirion 6000 laptop screen goes black but sometimes I can see the windows screen but it's very dark. When I attach it to a desktop monitor it works fine but the laptop is still dark. Sometime the...

Viewsonic VA912b. Monitor will only turn on for a

Screen goes dark after a few seconds

The LCD does goes dark after power on

Screen goes black after 30 seconds

Acer laptop has developed a fully dark screen

My monitor works for a little while, then goes black.

Monitor stuck on black, menu buttons not responding

Panel doesnt turn on

Help

Not finding what you are looking for?

EN-7220 17" Flat Panel LCD Monitor

My dell inspirion 6000 laptop screen goes black but sometimes I can see the windows screen but it's very dark. When I attach it to a desktop monitor it works fine but the laptop is still dark. Sometime the...

Open Questions:

Need the monitor stand only

driver envision h1981 monitor

Envision EN 7220 monitor work with Windows 7 Are there drivers available for it to work with Windows 7 os?

I have an Envision 7410e monitor. Last week I downloaded an update from Microsoft, since then my monitor does not fully turn on when rebooting the computer. I have to restart it and then the monitor comes up. How do I determine if it is the monitor or the PC causing the problem?

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