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Button “Fn” not working for brightness

I have Vaio , VPCF117HG , and I cant use Fn for change my brightness , I download all drivers for update but nothing change , my fn for change volume is working but for other thing is not working , any way to solve it ?

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Which OS? Which drivers did you install? – techie007 Nov 19 '12 at 17:20

marked as duplicate by techie007, RedGrittyBrick, TFM, Sathya♦ Nov 19 '12 at 19:24

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1 Answer

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  • Right click the Power Panel icon in the system tray (looks like a battery)
  • Click on Edit/Create Profiles
  • On the left side of the new screen, click on 'Maximum Battery Life'
  • Then on the right side of your screen, click on 'LCD Brightness'
  • You should see 9 levels of brightness. Level 9 is the brightest.
  • You need to click on the Save icon. (Looks like a disk at top left of screen)
  • Close the window after you save the changes made.
  • You must restart the notebook in order for the changes to take effect.
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