Driver type: Audio Driver
Realtek ALC272 @ Intel
Date: 08/03/2010,
Version: 5.10.0.6171
size: 81.04MB
Download
Download and extract the zip file, run setup to install.
If you have problem installing this driver leave your comment below.
Even this driver known for Acer model especially Acer 4738G, 4738Z, 5740G, but you also can install it on other machine that use similar devices. (TnC)