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R61e no brightness regulation

R30/R40, A30/A31, G40/G50 and Z60/Z61 Series. NOT for AMD-Ryzen.
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manfred
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R61e no brightness regulation

#1 Post by manfred » Mon Jan 09, 2012 4:05 pm

I've downgraded Vista to XP and installed most of the drivers from Lenovo Support page.
But after downgrading there is no brightness regulation. Other FN keys are working, and when I press the FN and Home, or End (regulation keys) - the screen shows 15 steps scale, but the screen is always the same. What driver should I get? I was using System Uptade but there was no effect. Maybe some settings on Power Management? On battery it's the same.

RealBlackStuff
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Re: R61e no brightness regulation

#2 Post by RealBlackStuff » Mon Jan 09, 2012 5:49 pm

Check the BIOS LCD setting, it may have been set to HIGH, and then it is ALWAYS on at the brightest level.
Change it to NORMAL, then check again.
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manfred
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Re: R61e no brightness regulation

#3 Post by manfred » Tue Jan 10, 2012 4:53 am

LCD is "normal" on BIOS :) I have no idea... Recovery doesn't work (Vista), but the service partition egsists. It only shows Boot Device Screen.

Edit: I've managed to run Recovery. But when I start the process it's going on for a while, and it's "processing 0ADPE10" and total progress is 0.

manfred
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Joined: Mon Oct 03, 2011 4:12 pm
Location: Mielec, Poland

Re: R61e no brightness regulation

#4 Post by manfred » Wed Jan 11, 2012 3:55 pm

any help? Brightness can't be changed even from power manager. On BIOS it's changing by hotkeys with no problem,

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