HP laptop keyboard problem

[xiang2011]

Basically withing five minutes of any reboot, I start experiencing the following:

-Mouse scroller zooms in/out of webpages instead of scrolling
-Start menu randomly appears and disappears
-When I type on the HP Pavilion Keyboard , Hot Key commands appear

I have run combofix and malware but they didn't appear to find anything. I also removed the keypad and cleaned the contacts and the result was the same. Its weird because if I reboot everything is fine for 2 to 5 minutes but then backed to screwed up.

Thanks for taking the time to try and help me.