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A device driver is a piece of code which is used to make a specific piece of hardware function as a part of a computer system. For instance to make a specific model of printer connect to and print from a computer you will need a print driver compatible with that model/make of printer installed on the computer.

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Q: What is a device driver and when do you need it?
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Need to install ubuntu driver for a logitech 9000?

The device is supported out of the box in Ubuntu; there is no need to download a separate driver.


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An example of a device driver would be the interface between the Windows Operating System and the computers Network Interface Card. Device drivers are used to eliminate the need for the Operating System to know how to "talk" with a given device. The Operating System makes standard calls (called API calls) which are intercepted by the device driver, translated into something the device can understand and passed to the device.


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What is the best way to change a device driver?


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Can I download a device driver free of charge?

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