Question about Toshiba Satellite A105 Notebook

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A105 LCD problem

In reply to your solution i have some experience with laptop dissembling and repairing but i didnt understand what you meant by two inverters. could you explain? And would be possible for me to find out which of the two is needing replaced and do it myself to cut professional expenses?

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  • Randall  Trahan
    Randall Trahan May 11, 2010

    The LCD displays do not produce light, so to generate brightness, LCDs have a backlight. A backlight is a small flourescent lamp placed behind, above or to the side of the LCD display. The light from the lamp is what is spread across the screen. The typical LCD uses a cold cathode flourescent lamp as its backlight. They are generally 8 inches long and slimmer than a pencil. The flouresecent lamps require a fairly high-voltage, high-frequency energy. The component to supply this energy is the inverter. The inverter is a small circuit board (sorry I though there were two), installed behind the LCD panel and take AC power and converts (inverts) it for the backlight. If you are having problems with flickering screens are dimness, its more likely the inverter and not the backlight itself. Inverters store and convert energy, so they have the potential to discharge the energy which is dangerous. Hope this helps.

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What I said was that the video connector size for the a105 was a different size than the a135, even though they are both 15.4" lcds widescreen glossy briteview. So that the a135 lcd when mounted in the a105 top cover: I cannot plug it into the board since the video connector from the a135 is a bit larger (the actual plug) than the a105 plug/motherboard size. SO I am thinking maybe change the video connector so it fits or this is not possible?

Posted on Dec 01, 2012

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I don't know where this thread was originated, but your laptop has only one inverter board.

The inverter is a small board that powers the AC lamp that provides backlight to LCD.

Here is the spare:

Toshiba LCD Inverter Board M110 A105 A100 ...

See here Toshiba Satellite A105. How to remove and replace laptop FL

Posted on Jan 02, 2009

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Posted on Jan 02, 2017

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Thanks to "taramarsh" for reply but meant to ask


If it doesn't have a built in switch, meaning a physical one, then you should try looking at the keyboard for an fn key and what Fx (x ie F1 etc.) Or if you don't have that too, you can opt to use windows key + "x"

Mar 16, 2011 | Toshiba Computers & Internet

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The laptop has fallen on the floor while on and now it comes up with the error message error loading operating system


Hi,
Disassemble the laptop and fit the Hard disk again or tightly.

If the problem is same ,think there are so many bad cluster or have been damaged ,and need to replace for another new .
I am giving the link for details ,just clck on the bellow link.
http://www.youtube.com/watch?v=jjXLR5yY7X4


http://www.irisvista.com/tech/laptops/Toshiba-Satellite-L305-L305D/remove-screen-replace-video-cable-1.htm

At the time dissemble use egg cortoon for placement the screw proper.
Hope this helps ,
Reply if you need farther instruction.

Feb 26, 2011 | Toshiba Satellite Pro L300 Notebook

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

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Overload prblem of inverter


PLEASE MAKE SURE THAT ALL THE LOAD CONNECTED TO THE INVERTER IS NOT MORE THAN ITS CAPACITY, BUT IF IT SHOWS OVERLOAD WITHOUT ANY LOAD CONNECTED TO IT MIT IS POSSIBLE THAT THE OVER LOAD CONTROL IS BAD

Nov 13, 2009 | Inverter Yaskawa F7 Drive

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It was working fine and then went off. It would not power up.We were traveling in the car using a Radio Shack inverter for powering the laptop. Any ideas?


If the computer overheated, it could have shut down. If the inverter broke, it could give invalid voltages overloading the computer and possibly shorting the motherboard. I would have a repair shop give you a estimate, it should be free. Then post a reply and i wiil walk you through a process to repair the computer (if applicable)

Jun 25, 2009 | Dell Inspiron 6000 Notebook

1 Answer

Have an Acer 5315-2153 with 15.4 screen went black


Cheack your video with and external monitor, if you have video then you will need replace your inverter or backlight or both, if your lcd it is nor cracked this is a common problem with the lcd.
You need to remove your frontal plastic in order to see your inverter, if this didnt work replace your backlight.

\this is a heavy job if you didnt have the experience or tools, we can replace your inverter/backlight for $75 usd

10001 buckwood ave 79925 El Paso Tx.
Contac us if you are interested
Thanks, please leave feedback
Vcrtech
support@vcrtech
vcrtech@hotmail.com
www.vcrtech.com

Apr 29, 2009 | Acer Aspire 5315 Notebook

1 Answer

Monitor screen is very dim.


Hi,
you must replace your lcd inverter, you can obtain one for around 5-15 usd, you will need to open your lcd bezel(plastics)this it a common problem in this model, its easy just be carefull with your lcd. The inverter it is located under lcd, you need to remove the frontal plastic, locate the inverter and replace it. The dark it is because your inverter no longer turn on your backlight(a lamp to give brightness to your lcd inside your lcd)
This could be a hard work if you didnt have the tools or experience.

If you wish we can replace your inverter for $49 usd
10001 buckwood ave 79925 El Paso Tx.
Contac us if you are interested
Thanks, please leave feedback
Vcrtech
support@vcrtech
vcrtech@hotmail.com
www.vcrtech.com

Apr 22, 2009 | HP Compaq Presario R4000 Notebook

1 Answer

Cant connect!!


Call your ISP service and talk to a tekkie They answer I pod log on problems all the time they resolved mine pretty quick

Dec 27, 2008 | NetGear DG834G Router

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HP laptop screen


Hi, this problem is caused by either a bad inverter or a bad LCD back light. In my experience its usually the back light that is the issue but you should check the inverter with a multimeter first to make sure. Unfortunately, a back light on a LCD panel is not a meant to be a serviceable part, although it can be done (it involves dremeling and soldering), IMO its only worth a shot if you can't find an LCD panel for under $300. The good news is a quick ebay search shows that a compatible LCD screen for your model can be had for about $175 plus shipping.
Here is your models service manual (PDF) which explains how to take the laptop apart.
If you can't or don't want to do it yourself I am experienced in doing this type of repair. e-mail me jason(at)jrdtech(dot)net

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