Question about Nokia 6030 Cellular Phone

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Backlight does not come on

When I power up my phone the backlight does not come on, you can see what's on the screen, but the screen is dark. What can be the problem? I've tried the brightness, the contrast setting and nothing. Please help me resolve this problem

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  • Anonymous Jul 16, 2008

    I have same proble. My display is disappering for some time with blanks screen.

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Laptop toshiba satellite p200 bw5 screen goes dark as if darkness/brightness was adjusted - but not Thanks


An LCD screen cannot produce enough light by itself. It needs a Backlight to help illuminate the screen.

Power for the Backlight is produced by an Inverter. An Inverter also provides power for the LCD screen.
It reduces voltage for the Backlight, and increases Voltage for the LCD screen, from the laptop's power.

Most of the time a dark LCD screen can be attributed directly to a bad Inverter. (Around 90 percent)

A Backlight is a CCFL.
Cold Cathode Fluorescent Light.
VERY similar to the fluorescent lights you see used in residential, and commercial applications.
(Homes, and businesses)
Only on a MUCH smaller scale in physical size, and needed power to operate.
When a Backlight goes bad, it just goes all at once. Not goes dark as you have stated.

(Your statement meant to me that you power on the laptop, the LCD screen shows well, then goes dark)

How to install an Inverter in a Toshiba Satellite P200 series laptop,

http://www.irisvista.com/tech/laptops/toshiba-satellite-p205/take-apart-display-panel-1.htm

(You can click on each individual photo to enlarge. You are on Page 1. Page 2 is accessed at the bottom, by clicking on it. Page 1::Page 2::Find another model)

Just one of many places that offers an Inverter for your Satellite P200.

http://www.notebooksolutions.ca/zc/index.php?main_page=product_info&products_id=5367&zenid=43bc1e775a9ed2d4309140111231cab5

NOTE*
1) ALL power removed from the laptop before beginning.
AC adapter (Charger), and Battery.

2) The screws you will remove, may have screws that look alike, but are NOT.
Do Not mix them up.
For this reason it is suggested to use a multi-compartment container, and label the compartments for where the screws came out of.
You can use a clean egg container, and label the individual egg holders, in a pinch.

IMHO it isn't hard to perform this repair, and you can do it. Save yourself money.

For additional questions regarding this, or comments, please post in a Comment.

Regards,
joecoolvette

Oct 22, 2010 | Computers & Internet

1 Answer

Dark Screen even when i adjust the 'brightness' tab?


check the power settings on te unit, if it is set to default for the backlight, possible that your LCD's backlight is not powering up properly on the unit or LCD's backlight needs replacement.

Jun 03, 2010 | Apple iPod touch

1 Answer

Dark screen ,fn does not work


I would suggest connecting the laptop to an external monitor, just to make sure that it is all running correctly.

If you can see a very dim image on the screen then the backlight is out. This can be a light problem or the inverter that powers the backlight could be bad. The inverter is not real dificult to change and also is not very expensive. If it is the backlight tho, it is easier to just change out the entire screen.

Hope this helps

May 02, 2009 | Dell Inspiron 6000 Notebook

8 Answers

My dell inspiron 1520 has dark screen


If you replaced the backlight and you still have the same problem then the next step you should take is to replace the inverter.

That should solve your problem, if it doesn't let us know.

Mar 04, 2009 | Computers & Internet

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

The screen is dark on my e71; the back light is off


It seems you have a backlight failure. If you can still see the screen on the device (as far as texts and pictures), you would simply need to replace the screen in the device.

Dec 22, 2008 | Nokia E71 Smartphone

1 Answer

LG Shine screen display


replaced the LCDS on the phone

Aug 19, 2008 | LG KG800 Cellular Phone

1 Answer

Dark screen


if the picture is REALLY dark, like you can just barely see it in a lit room, then the backlight might not be lit. LCD TVshave backlight that shines through the LCD screen which allows you to see the picture.

If it's not the backlight then it would be the brightness/contrast settings that need to be adjusted. If the picture used to be normal and all of a sudden went dark, verify the backlight. Normally you can look through the slots on the top of the set and determine if the backlight is on. If you can see a bright light through any of the slots, the backlight is probably OK... go after the brightness/contrast settings.

Mar 25, 2008 | Vizio L37 Television

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