Strange keyboard on my Satellite L40 problem

I have laptop Satellite L40 - 17u, and I had it again for about 2 months. My keyboard now seems to do its own thing. I'm going to the settings to correct this. It is ok for a while then goes haywire once again, so leave some letters on the key on board either entered numbers, some type at all, and not to tap the buttons I'm pressing.

I did a reforming and it always goes the same way.
Any ideas please?
Thank you

You have recently installed a keyboard related software like AllChars? Exactly what settings change to correct the missbehaviour on your keyboard? If activate you NumLock?

Tags: Toshiba

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