Question about Toshiba Tecra A5-S416 Notebook

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Abnormally Switches off

I have a Toshiba Tecra A5-S416 laptop - it used to work fine, but now when I switch it on, it suddenly goes off after a few seconds... These are the observations I have made...

1) When connected power connector, external power indicator light on notebook glows (green) for less than a second and goes off.
2) After several attempts of unplugging power jack and replugging, the external power indicator light and the battery charge light (which is orange) glows for about a second or sometimes for about 5 seconds and goes off.
3) When switched on (without power jack plugged in), switches on for about 8 seconds (maximum, else for about 1-2 seconds) - sometimes shows XP boot screen and goes off (but within 8 seconds)
4) If I plug in the power, it will not switch on - Even if I remove power plug - have to remove the battery and reconnect it to switch on (without power)...

What could this problem be? I checked with another power adapter, same problem... It seems like the motherboard to me.


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Re: Abnormally Switches off

Try to get ur on/off switch replaced ( Laptop Power Switch )
it may be sticking

try and mail ur response @

Posted on Mar 27, 2008

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Re: Abnormally Switches off

I'm afraid that this sounds like either a fuse, capacitors or a blown relay on the motherboard. Otherwise, it could also have something to do with some kind of problem involving the battery.

First and foremost, take the battery out of the system before doing anything else. See what happens without the battery in the laptop. If the problem seems to be solved by doing so by some chance, then you probably have a short in the battery itself. (Which would explain the issue.)

Beyond that, the most I can advise on is checking the power settings in your BIOS as quickly as you possibly can before it shuts off. See if there is anything in particular that might have an effect on the system's operation. I would disable any power-saving features and such... Just to cut those unnecessary variables out of the equation.

See if you can get it into the BIOS...and see if it still shuts down once it is in the BIOS. (No doubt it will... It wouldn't make ANY sense if it didn't, now would it?)

Try those things for now... But do NOT rate me if this does not fix your laptop. Remember that we are here to TRY our best to provide a solution. This is not meant to be a solution.

This is meant to find a cause for the problem. Only THEN can we give any kind of solid solution or conclusion.

Either way, I ask that you wait to rate me until after we follow these steps and I give you my conclusions. If the laptop is fragged, I ask that you give me a fair rating based on my attempt. Not based on the fact that I could not fix your laptop.

Remember that hardware failure is NOT OUR FAULT. We tried to help either way.

Thanks and let me know what happens. K?


Posted on Nov 10, 2007

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