Question about Toshiba Satellite M50 Notebook

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Erratic Touchpad on Toshiba M50 Notebook

Touchpad fine when running off battery, as soon as i plug in to run off mains power touchpad is erratic, stalls, won't move, jittery etc ?

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If the touchpad is working fine with the battery and if it is not working with the ac adaptor then in this case u can try with the different ac adaptor and still if it does the same thing then uninstall and resintall the toouchpad driver and restart the computer and still if it does so with the ac adaptor then u need to open the laptop chasis and then u need to fix up the power supply connector in the motherboard where the power supply from the ac adaptor is not getting the adequate response from motherboard.

Posted on Jan 20, 2009

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It sounds as if the power coming through your ac adapter may be causing interference with the touchpad, meaning perhaps an electrical signal is crossing into your mouse or disrupting its signals.

You could try to download the latest drivers for your touchpad and see if that fixes the issue.

You should also (if you haven't already) try a different mouse to see if the issue is related to the mouse sub system, or the touchpad itself.

If possible, try a different AC Adapter to see if that may be the issue.

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Hey there... :D

Could you try the Fn+F9 Key to Disable/Enable your touchpad mouse?

Because just now i've experiencing the same problem as you guys... and turns out I can make my touchpad working just by pressing the Fn+F9 key.

Note: if your Fn key is not working try installing Toshiba utilities for A135 called FlashCard, run the program and there will be a dropdown menu at the upperside of your screen...
then click on F9 >> and choose Enable.... Thats It... :)

I hope it also solved your problem... :D

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