WHY? MOUSE AND KEYBORAD ISSUES ?

OK I have an acer aspire 4530 laptop
my mouse left button don’t work right
my keyboard don’t work right the buttons
Sound are heard when the buttons are depressed
And if I hit like the H key the help menu pops up similar
keys did different functions but the keyboard wont work the way it should
i updated the drivers, the keyborad works fine in bios i removed the battery
and still nothing…..HELP………