Question about Toshiba Satellite A100-S8111TD Notebook

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LCD DISPLAY IS DARK

I have a Toshiba Laptop that was given to me by my Sisiter-in-law to attempt a repair.Brief description:Power distribution from power chip is
in 3 parts:Processor,LED's and LCD Monitor.Everything boots when I power up and I am able to navigate menus and so on.The only problem is DC is not arriving at the monitor LED,or whatever type of element provides illumination to the screen.I need to know the disassembly procedure to access this voltage distribution circiut,so I can verify whether DC is flowing from the B+ terminal.I appreciae any assistance,as my sister-in-law can't afford a new unit right now.Thank you!

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  • Freddy Gonzalez
    Freddy Gonzalez May 11, 2010

    i don't understand your problem... you can clarification your problem please....???

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Go to Toshiba's web site and find the tech specs for your model. That should tell you how to disassemble the bezel and keyboard so you can troubleshoot the inverter.

Posted on Jan 08, 2009

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2 Answers

Why is there no display?


hi

can you plug in another monitor to the video plug on the side of your laptop?

if the monitor works but your laptop screen stays dark your laptop screen needs to be replaced .

If the monitor is also dark then the LCD screen is ok but the inverter needs to be replaced
25717570-m35oz4jvdfvvmght4a51n0jl-5-1.jpg lcd connect to laptop
25717570-m35oz4jvdfvvmght4a51n0jl-5-3.jpginverter
25717570-m35oz4jvdfvvmght4a51n0jl-5-10.jpglcd screen replacement
cheers

May 28, 2015 | Toshiba Computers & Internet

1 Answer

Toshbia A125 monitor - very dark


Click start control panel administration tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! or a red X right click select reinstall drivers http://download.cnet.com/%7Bvalue=http://www.download.com/intel-graphics-media-accelerator/3000-2108_4-10300119.html This document refers to systems containing the following Intel chipsets: Intel 845G Chipset, Intel 845GL Chipset, Intel 865G Chipset, Intel 845GE Chipset, Intel 845GV Chipset, Intel 915G Express Chipset. The drivers included with this distribution package are designed to function with Microsoft Windows XP SP2 or later.

http://download.cnet.com/%7Bvalue=http://www.download.com/nvidia-graphics-driver-windows/3000-2108_4-10044975.html
your laptop lcd might be on the way out ?

Feb 02, 2013 | Toshiba Satellite Computers & Internet

1 Answer

My laptop is working fine, but part of the screen on the right side is black, like it's out. The whole screen went out before and had to replace some little thing,, (video inverter , maybe?) it's...


From your description they replaced the inverter board to fix the problem. When you had it repaired was the right side dark when you got it back? because if it was they are responsible for making right. If the problem was fixed, it still could be the inverter board or a bad back light that is going, if it is the back light most technicians will not attempt this repair because you have get in behind screen which is not meant to be taken apart. "a very tricky repair that requires solder work" They will usually opt to replace the complete LCD display to correct the problem.

Jan 28, 2011 | Toshiba Satellite M35X-S349 Notebook

2 Answers

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

My toshiba laptop powers on all the time but sometimes there is no display or sometimes it powers on and there is display but all of a sudden i loose display and nothing works.


You have either a lose connection to the computer from the LCD or bad connection inside the laptop on the motherboard. I would remove the keyboard and reseat the cable on the motherboard. Go to Toshiba and download the service manual or go here http://www.eserviceinfo.com/equipment_mfg/Toshiba_43.html

If you are not technicaly inclined do not attempt to repair. Take to a repair shop. Toshiba laptop's are not fun to work on!!!!!!!!

Feb 20, 2010 | Computers & Internet

1 Answer

Blank Display, using exernal monitor, can see display info w/flashlight, display flashes light at startup


You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

May 03, 2009 | Toshiba Satellite A135-S4407 Notebook

1 Answer

Friend's Laptop Screen has become too dark to work with


You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Apr 24, 2009 | Toshiba Satellite U205-S5002 Notebook

1 Answer

The display has dimmed, and looks washed out (faded)


You most likely have a defective CCFL backlight, it may have the following symptom:
  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Apr 05, 2009 | Toshiba Satellite 4010CDS Notebook

1 Answer

Toshiba notbook tecra s1 model no 831l-1104l -- No Display


If you see a very dim image or black screen or flicking image on the LCD screen it means you have a backlight problem.

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Mar 25, 2009 | Toshiba Tecra S1 Notebook

1 Answer

The backlight on my toshiba laptop burned out would like to get it going again.


If you see a dim image on the LCD screen it means you have a backlight problem.
Connect an external monitor to the laptop and power it up, if you see a clear image on an external monitor, this means your video card is OK.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Mar 10, 2009 | Toshiba Satellite M45-S351 Notebook

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