Acer NSK8458AN Keyboard "words greek" Questions

Suddenly,nearly half of the keys type other characters !!! i have an acer 1355 lc.suddenly,nearly half of the keys type other characters !!!for example enter types 3;q or moves like tab key!the same ...

Keyboard anomalies 1. In Sibelius music programme the user controls the size of the screen image. Very often my Logitech cordless keyboard (I assume) changes the size arbitrarily. 2. In Outlook ...

What is the purpose of the ~ in my keyboard? TildeA character ( ~ ) found on computer keyboards that is generally below the escape, or ESC, key and on the same key as the back quote that is similar to

acer keyboard problem!!!! i have an acer 1355 lc.suddenly,nearly half of the keys type other characters !!!for example enter types 3;q or moves like tab key!the same happends in command line (dos) , ...