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mouse touchpad jumpy

johnnyrotten · 2010-01-14 12:48:59

I have a Toshiba L40 Laptop. The Power supply died on me so I bought a generic one on the net. The charger works fine except it seems to cause a problem with the touchpad. When the Power supply in plugged in the touchpad causes the pointer to jump all over the screen, which renders the laptop useless. Unpluging the power…

14-01-2010 12:48pm

#1

johnnyrotten

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I have a Toshiba L40 Laptop. The Power supply died on me so I bought a generic one on the net. The charger works fine except it seems to cause a problem with the touchpad.
When the Power supply in plugged in the touchpad causes the pointer to jump all over the screen, which renders the laptop useless.
Unpluging the power supply and it works ok.
I have tried lowering the voltage , no joy!
Ive Googled it to no avail.
Any ideas.

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Comments

#2 14-01-2010 1:12pm

Khannie

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Generic power supply = trouble. How did you lower the voltage?

You want me to move this to laptops?

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#3 14-01-2010 1:15pm

johnnyrotten

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Turned off power. unplugged cable selected lower voltage.

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#4 14-01-2010 1:22pm

Khannie

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So the power supply has a voltage switch on it? If you have a multimeter, it's probably worth testing what the actual voltage is. If you don't have a multimeter it's worth getting a lend of one. I wouldn't use that PSU in the mean-time tbh.

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#5 14-01-2010 1:27pm

johnnyrotten

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Will dig the multi meter out so, thanks

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