We were brought a laptop with Windows 7 Home Premium setup for greek language speakers. The installed languages and keyboards are: English (US), as default, and Greek. There is also installed Microsoft Office 2007 greek and Internet Explorer 9.0.8112.16421 greek. When the user tries to write intonated letters such as "?, ?" in office or the IE, instead of the correct letter the result is: ``a and not ? Do you need any other information on the system or what are the suggestions to search for the cause of this problem?