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I've Dell Inspiron 15R 5520 laptop. Do I need to install additional drivers for it? If yes, how do I install additional drivers?

Intel(R) HD Graphics 4000
AMD Radeon Driver
Sound Devices: Conexant SmartAudio HD, Intel(R) Display Audio
USB Controllers: Intel(R) 7 Series/C216 Chipset Family
USB Enhanced Host Controller - 1E26 Intel(R) 7 Series/C216 Chipset Family
USB Enhanced Host Controller - 1E2D Intel(R) USB 3.0 eXtensible Host Controller

Please guide me through this.

marked as duplicate by psusi, Eric Carvalho, karel, user117103, David Foerster May 8 '15 at 12:55

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Do I need Drivers?

To run hardware you need drivers.

If yes where do I get drivers from?

The installer will pick all the drivers it can pick that your hardware supplies. So as long as the hardware is supported you yourself do not need to worry about drivers. Contrary to Windows Linux uses generic drivers; so we have 1 driver to rule lots of similar hardware (1 for NICs, 1 for nVidia, 1 for AMD, 1 for USB etc etc).

There might be 3rd party drivers but that is no need to install those. The 2 that are added to addition drivers are for videocards and some networdcards (from Broadcom). You can add those by search for "additional drivers" in dash.

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