HP550 touchpad freeze

Hi,

after 10-15 minutes working on my computer, the touchpad freezed. It won't move. The pointer is stuck. Not working eather right or left button. This is happening every time. But when i put my usb mouse, than seems to be ok, it's working. Without usb mouse works for 10-15 (than freeze) - with usb mouse is working perfectly fine.

What seems to be the problem with my touchpad?

Thanks.
 
Could it be your battery? When was it last replaced... or if rechargeable, is it over two years old?
 
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