The mouse jumping around corner on its own (TX2000 tablet PC)

HP needs to fix or replace my HP TX2000. The mouse cursor keeps jumping to the bottom right of the screen on its own. I realized that there are a lot of heat generated in this corner of the basic reason keyboard, making it probably the mouse jump there. the mouse works perfectly when I rotate the screen of this corner, but lie, which makes it extremely difficult to work with the screen tilted in a different direction and the Del key BkSpace hiding behind the screen! Ofcuorse, this heat is the culprit and a strange design of unit fault!

I had this same problem (although it seems a bit more sporadic than what others have experienced).

The physical reason of the problem seems to be the corner of the base of the shelf RF interference; because the tablet takes the pen by measuring how much the emitted RF is altered by the pen, the interference near the corner must "look like" the pen being there.

I have "confirmed" this by placing a piece of foil between the screen and the base (in the corner only); This removes the behavior of jumping.  Although I did not open my tablet, I suppose that the interference comes from the power of conditioning circuits for the processor?

In regards to the Wacom HID "pen" disable the fix mentioned above: the feather still work like a pen (RF, with a fine location and pressure sensitivity), or it doesn't work like a 'finger' (capacitive touch sensor on screen, much coarser location resolution)?

Tags: HP Notebooks

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