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Toshiba Satillite A100 "TBX Error"

Hi, My laptop (Toshiba A100) is having a problem. It seems that It can't even load BIOS, but keeps showing "TBX error" on the top-left handside of the screen. I have found out it happens when the CMOS data becomes corrupt, but don't know how to fix it... Please help me!! Cheers, Leo Kim

Posted by KopfKnall on

  • 3 more comments 
  • Christo68 Nov 14, 2007

    Dear PcExpert,
    We are experiencing exactly the same "TBX error" problem - also with a Toshiba Satellite A100. Do you mean by service station, "toshiba service station", or can any other specialised computer outfit solve the problem as well? I am asking because we live in Malawi, and are very far removed from any Toshiba service. Any further details about which chip and how exactly it can be reprogrammed?
    Thanks - Christophe & Sabine, Lilongwe

  • sleepy guy Jun 17, 2008

    actually m facing the problem with sattelitte model showing TBX error again and again

    please suggest a solution

  • Anonymous Sep 01, 2008

    I´m having the same problem, toshiba can´t start.

  • Anonymous Jan 17, 2009

    when i on my laptop ,only tbx error is shown at left top on screen.i cant even go in the bios also.i have toshiba.bios regramming cost around?

  • Anonymous Mar 12, 2014

    toshiba satillite a100-wa104c screen running vista OP stay black and blank during bootup.


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This needs BIOS Reprogramming. Go to the nearest service station for the Chip to be reprogrammed.

Posted on Sep 14, 2007

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Related Questions:


How to fix TBX Error on Toshiba Satellite a205-s4707

Take out battery from it, and re-insert it after 15 minutes or so. This must make it a hard reset. If it too doesn't help you, make sure there is a software corruption has been occurred. Re-install the O/S is the only solution. Electro help

Why TBX Error in left Monitor

Your cmos has become corrupted.
1. remove AC and battery power
2. press power ON for more than 30secs (around 1min is good).
3. release and attach battery/AC
4. power ON as normal

This should clear the cmos on Toshiba laptops, it can be glitchy. If it doesn't you could possibly have a faulty cmos battery, or it may need to be reset manually which will require opening the laptop.

Displaying TBX error in left top corner of display

Try downloading another flash bios and reinstalling on the laptop.

How do i clear cmos baterry on my toshiba satillite A205?

Start your computer, and enter BIOS SETUP.
Select "Load BIOS Defaults".
Save & Exit from BIOS SETUP.

My tosiba Satllite M200 is showing TBX Error and not letting me to enter BIOS. Hang during the booting. please solve the problem and let me know why it happened.

Toshiba knows this is a issue. below is the link for new bios firmware

it addresses the TBX error you are talking about.

If you need assistance please reply
please post a rank if this helps

My toshiba m200-c2100d shows TBX error on left top side on the screen when i turn on my laptop.i cant go into anywhere like bios,etc..only toshiba logo reamins on the screen.

1. Remove all USB devices such as printers, mp3 players etc etc.
2. Remove the power-cable and the battery
3. Press and hold the power button for 30 seconds
4. Put the power-cable back in but not the battery and none the USB devices.
5. Turn the computer on

Tbx error

try to re-build it with the recovery cd. if the problem does not go away then it may need to be taken apart

Toshiba Satillite A100 not powering up

again $ again try 3 or 4 time to powerin on with ac mode,if not powering on then try it in backup mode with support battery if u dont have battery backup then get a battrey from any other laptop but it must be same model if powering on then change your adapter and try again if then also not warking go to nearer vender or service center.
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