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
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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 ?

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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.

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I have screen flicker for at least 30 minutes after switch on, all connections checked and correct The flicker is dark and light continuously during this first 30 mins, then after about once/twice a...


Hi.

If the flicker is given by backlight, then the problem is either inverter board or power adapter. In some case a defective PC board may also be responsible. A defective inverter is the part that gives this problem more commonly.


Here all parts: ShopJimmy 37AV500U

Here a different seller.

Here a summary description showing how to test inverter and PSU.

Parts must be tested before replacement. The job must be done by a trained technician.

Call Toshiba to check warranty status or to get a quote on repair.

Regards.

Ginko.

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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!!!!!!!!

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1 Answer

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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.

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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.

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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.

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