FN Keys not working on my Sony Vayo

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Sam-urai Posts 1 Registration date Monday October 26, 2015 Status Member Last seen October 26, 2015 - Oct 26, 2015 at 09:39 AM
i installed recently on my laptop Windows 10 and my FN Keys won't work anymore. can anyone help me? It's model SVS1511N3ES. Thanks!