We earlier covered the importance of having device drivers and a utility to update sound, video, network and other drivers in Windows automatically. Among which the AC97 and high definition audio drivers have much requirement among entry level and medium PC users. AC97 and high dentition audio codecs includes standards specified by Intel to process multi-channel audio from compatible hardware. Hardware vendors including Realtek, Conexant and Along devices manufacture AC97 and high definition audio chips and they periodically releases driver updates to improve the hardware performance with Windows. But like many other sound drivers Realtek high definition audio driver also started showing incompatibility issues when Microsoft started issuing Windows 7 test builds .

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Drivers are applications that let the operating system know about internal or external  hardware devices connected to a PC .They will act as mediator that manages the interrupts and associated code execution to notify the OS about the presence of a hardware .Display devices,scanner ,sound device ,graphics card , network cards ,hard disk ,USB internet modems etc. uses device specific drivers to communicate with Operating System .Usually drivers will be packed along with the system CD/mother board CD available with every computer purchased . But as time goes the system CD’s would get scratched and there are chances for the loss of important device drivers . Many features of the PC will be disabled if the driver CD is lost or the files are not available for another installation.As a solution we have driver scanning and backup softwares like Drivermax that scans a computer for hardware devices to specify the required drivers and a web links to download them.

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