Question about Toshiba Satellite 1805-S204 Notebook

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DARK SCREEN WHAT IS THE INVERTER AND WHERE IS IT?

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  • Frank Zhang
    Frank Zhang May 11, 2010

    are you sure dark screen is inverter damage? it is not only inverter cause it

  • Frank Zhang
    Frank Zhang May 11, 2010

    you want know where it is and how to fix it right?

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The inverter is what supplies light to your backlights in order for you to see the picture properly on the screen. it is located under the lcd screen on most laptops and on the right hand side of the lcd for a few laptops. To access it, make sure you unplug your powersupply and take out the battery. then you will need to remove the rubber pads around your lcd cover to expose the screws. Unscrew all of the screws and then carefully take the cover apart. You may need to wedge a small driver inbetween to pop it loose. Once you have removed the cover look for a long skinny pcb with wires from your motherboard going in one end and wires leading to your lcd coming out the other end. There is usually just one screw holding it into place. once you remove it, simply put in the new one and put everything back together.

Posted on May 15, 2009

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2 Answers

Screen too dark


did you tried to make an adjustment in brightness in the set up menu,if the adjustment is good then still too dark. you must check the connector for screen back light which loose from the inverter board. at this time you will need to removed the rear cover to access the inverter board.

Aug 18, 2012 | Craig Televison & Video

1 Answer

How to replace backlight on compaq 2570us laptop


What is wrong with the backlight? The computer screen is just dark? I would start with the inverter. The inverter is usually the problem when the screen goes dark but people think it is the backlight. The backlight alone is very hard to change too. Go with the inverter, I would bet that is the issue.

Apr 02, 2010 | Compaq Presario 2570US Notebook

1 Answer

Picture screen is dark. sound is working but no


Ur LCD inverter backlight board is dead.U have to replaced this LCD inverter board to get ur picture back.It a long board in shape.Tries Shopjimmy.com,Ebay.com to buy a reburbish LCD inverter board for the replacement.

Mar 27, 2010 | Televison & Video

1 Answer

My brightness control does not work just turned on and can not hardly see anything it is up and running what now


Have you tested it with an external monitor?

I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

Mar 24, 2010 | Dell Inspiron 1545 Notebook

3 Answers

VERY Dim screen after a drop


Have you tested it with an external monitor?

I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

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1 Answer

Disply screen is dark


Hi

Thank you for your query

The problem you are describing is related to your inverter board

The inverter board is responsible for ramping up the power from 12v to 240V to allow the LCD screen to light up

Please can you book the laptop in at a reputable PC shop for a inverter replacement

Mar 03, 2010 | HP Pavilion dv6000z Notebook

1 Answer

Acer Aspire One A150 : screen all dark after changing it


It is an inverter problem. Check all cable attachments first, then change out the inverter.

Feb 17, 2010 | Acer Aspire One A150-1049 Notebook

1 Answer

Dv4000 hp pavilion dark screen


Have you replace the lcd inverter? if it works on external monitor, given the screen is new, then it leaves the inverter. Usually in the case of dark screen, it should be the first thing to check/replace.

Apr 07, 2009 | HP Pavilion dv4000 Notebook

1 Answer

Dark Screen Inspiron 9100


If you replaced the inverter board and its still dark you need and new backlight itself http://cgi.ebay.com/LCD-Backlight-Lamp-for-Dell-Inspiron-9100-15-4-WXGA_W0QQitemZ150217509448QQcmdZViewItem

Dec 10, 2008 | Dell Inspiron 9100 Notebook

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