Realtek Audio Features Driver Software for Windows 7, XP – Lenovo E49

NameOperating SystemVersionReleasedDownload
Realtek Audio Features Driver Software
h1ar12ww.exe
119MB
Windows 7 32bit,
Windows 7 64bit,
Windows XP
6.0.1.654314 May 2012 Download
README for Realtek Audio Features Driver Software
h1ar12ww.txt
6KB
Windows 7 32bit,
Windows 7 64bit,
Windows XP
6.0.1.654306 Jun 2012 Download

This package installs the software (Realtek audio software) to enable the
  following device.