Model: Satellite M100-ST5111
Operating System: Windows Vista (Note: might work with other versions of this os.)
Realtek Audio Driver for Windows Vista
Special Notes: Save this file to a convenient location such as the Windows Desktop. Uninstall the existing Realtek Audio Driver by clicking Start Control Panel Add or Remove ProgramsRealtek High Definition Audio Driver then Uninstall. Reboot the computer. Install the new Realtek High Definition Audio Driver driver_audio_realtek_os2007236a_10_10g.exe by double-clicking the icon on the Windows Desktop. Reboot the computer.