Windows 8 FN key doesn't work for brightness

Posted by Airat Shigapov on Super User See other posts from Super User or by Airat Shigapov
Published on 2012-11-10T22:11:15Z Indexed on 2012/11/10 23:02 UTC
Read the original article Hit count: 218

Filed under:

Windows

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windows-8

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brightness

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fn

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fn-key

I have an Asus laptop with Windows 8 and fn+f5/fn+f6 keys (for brightness) doesn't work. In fact, they work, but they can increase/decrease the brightness only 1 time. I mean - after pressing fn+f5 once, nothing happens if I try to press fn+f5 again, before I press fn+f6.

This only happens after logging in. At the login screen and during Windows boot I can adjust the brightness as I want, but after login I can't.

I installed the latest ATK driver and NVIDIA graphics driver for Windows 8, and I think that my problem is related to conflict with drivers. I tried to reinstall/delete some drivers, but it didn't help. How can I detect where is the problem? Thanks.

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