Karuns
1 Copper

DELL Inspiron 15 model 3521_Bright control issue

Hi,

Recently i taken Dell inspiron 15 model 3521 with Ubuntu OS. and i Replaced Ubuntu OS with Win 7 Ultimate version. but till yesterday i didn't faced any issue with brightness control . after changed to Win 7 also it works fine. from yesterday onwards its not working. unable to control the brighness using Fn+F4 & F5 keys.

Pls suggest me.

Regards,

Karun

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