Question about ViewSonic VP2000s 20.1" Flat Panel LCD Monitor

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How to replace a hp2159m backlight - ViewSonic VP2000s 20.1" Flat Panel LCD Monitor

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It is not recommended to replace the backlight unless you have a clean room. Doing so may introduce dust into the LCD panel module. The LCD panel module is held together by metal brackets with latches. You'll need to remove the two metal brackets that hold the sandwiched LCD panel modules together. The you will have access to the actual backlight. Older panel technology made it easy to slide out the backlight for replacement. Nowadays, they lock up the CCFL into the LCD panel module making it not really possible to do backlight replacements if you don't want to introduce dust into the system.

Posted on Aug 31, 2014

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Posted on Jan 02, 2017

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1 Answer

How do you fix a Samsung 55" Television with no picture but good sound?


The symptoms you described would indicate the backlights are not working.

The 2 main reasons are the backlight inverter board has gone or the backlights have blown!

Since you have replaced the inverter board with a new working one then this would point towards the LED backlights.

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My hp2159m monitor resoulution is not at default and its saying input to low go to reccomended 1920x1080 and how do i go back to that? The default setting


go to the control panel click on personalization click on display and click on the slider that changes the pixel settings move it to the correct setting , click apply and it should be right

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Backlight replacement


You can only get the LCD replacement, I have never found a site that offers the backlight in place of the LCD display.

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Sony cyber shot dsc-t10 backlight not working


Hello,

Yes, the backlight is a separate part. It can be removed from the LCD and replaced.
The following video shows how to replace the backlight in a Sony camera.

http://www.desmontalo.com/?p=275

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My HP2159m monitor has changed its display, now showing a negative print on all pictures and its color background is now black with white printing. Some headlines, such as Google News, are all in yellow....


jskalko, Have you proved that your pc is not the problem by connecting a "known-good" monitor to it?? Will your 2159m unit work same way when connected to a "known-good" pc??? Do some "test" swapping first! Have you verified connector gold pins are not damaged on monitor cable?? 12fixlouie

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1 Answer

Screen is to dark. cannot see letters very well.


Suggest you press the Fn key And the key to increase brightness, first. (Should be a key that has a sun icon on it)

Barring this does not increase the visibility of your LCD screen, the I suggest the Backlight is bad, or the Inverter.

The Backlight is a type of CCFL tube (Cold Cathode Fluorescent Lamp) mounted to the LCD screen. The LCD screen needs the light given off of the Backlight.

Replacing the Backlight is a daunting task, and if done wrong, will cause possible damage to the LCD screen.

The LCD screen itself has a thin metal frame holding the components of the LCD screen together. This frame must usually be opened on the side that has the backlight, to access the backlight. The components that make up an LCD screen are fragile, and can easily be damaged.

The Inverter supplies power to the LCD screen, as well as the Backlight.
Inverters do go bad, but commonly it's the Backlight to go first.

This shows a typical Backlight replacement. It IS not an advertisement to attempt this yourself, but a reference tool for information.

http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

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My backlight is broken (Casio EX-Z100)


Try to check on ebay, you may find the LCD with backlight just less than 30 bucks. To replace the LCD kit is easier to replace only backlight, and it's hard to find the backlight.

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1 Answer

On my xps the lcd backlight wont turn on?


could be bad backlight or inventer.

do you see picture but just no backlight?

it could also be a loose connection between the display and the motherboard.

how to replace your laptops backlight:
http://www.instructables.com/id/How-to-Replace-Your-Laptop_s-Backlight/

replace inventer:
http://www.instructables.com/id/Replace-LCD-Backlight-Inverter-on-Any-Monitor-for-/

start by checking for loose connection between the lcd and the motherboard.

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"Upgrade" of Backlight Panel


just replace what failed.
I replace the surface mount FETs on the inverters.

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