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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