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1 Posts

10-23-2013

South Africa

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  • Message 11 of 104

Re: Z500 brightness problems Windows 8.1

2013-10-23, 8:10 AM

I got exactly the same problem with a Lenovo Z500 model 20202. Reinstalling the Graphics drivers did not solve the problem. I did the one key recovery to get back to windows 8.

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5 Posts

10-23-2013

Czech Republic

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  • Message 12 of 104

Re: Z500 brightness problems Windows 8.1

2013-10-23, 22:49 PM

To all,

I have the Lenovo Z500 model.

I followed what Betreff said and installed the drivers from his link post. I also installed the display drivers found here: http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS033664  After I installed both the F11 and F12 buttons started working instantly.

 

Thanks for the helpful informtion

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1 Posts

10-26-2013

Turkey

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  • Message 13 of 104

Betreff: Z500 brightness problems Windows 8.1

2013-10-26, 11:51 AM

Thank you very much.

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1 Posts

10-26-2013

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  • Message 14 of 104

Betreff: Z500 brightness problems Windows 8.1

2013-10-26, 13:42 PM
Annanna, I just signed up for an account here to say Thank You!

I cannot tell you how many solutions I tried this week -- scores. Seemingly everything. Not sure why this was not easier to find, or why I did not think of it, especially after seemingly everything else failed, and I'd exhausted everything I could find in scores of other forums. But as soon as I read this, I realized it would probably finally do the trick, and it did.

So, thank you!
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1 Posts

10-28-2013

isreal

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  • Message 15 of 104

Re: Z500 brightness problems Windows 8.1

2013-10-28, 18:17 PM

thx man it worked..

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1 Posts

11-02-2013

UK

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  • Message 16 of 104

Betreff: Z500 brightness problems Windows 8.1

2013-11-02, 11:30 AM

I had the same problem and your link saved the day and prevented a housewife meltdown. Had called the Lenovo customer support and the 'helpful' man said he had never heard of this problem! Thank you so much.

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6 Posts

11-02-2013

United Kingdom

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  • Message 17 of 104

Betreff: Z500 brightness problems Windows 8.1

2013-11-02, 14:50 PM

Registered just to say----- thank you, thank you, thank you!!!:womanvery-happy:

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1 Posts

11-04-2013

USA

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  • Message 18 of 104

Betreff: Z500 brightness problems Windows 8.1

2013-11-04, 14:10 PM

I cannot thank you enough! I was mintues away from Ku-Fu chopping this "lovely" laptop in half! THANK YOU!(:

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2 Posts

11-07-2013

Brussels

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  • Message 19 of 104

Re: Z500 brightness problems Windows 8.1

2013-11-07, 9:53 AM

This solution is everything but sustainable!

 

I've bought the Lenovo z500 precisely to work on the video editor CyberLink PowerDirector 11. 

But this softwares requires the latest driver update of my video driver... otherwise it will not work properly (see "green screen issue": http://forum.cyberlink.com/forum/posts/list/16190.page). Yesterday, I've upgraded my laptop with the latest video card driver and the PowerDirector finally worked perfectly.

 

But then came the Z500 brighness issue, where I am required to downgrade my video card to fix it!!! Which means I won't be able to use PowerDirector although this is the reason why I purchased it!

 

So what do I do? :((((( 

Isn't there another way to firx the brightness issue?

 

Thanks for any advice

 

Robert

 

 

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7 Posts

10-07-2013

Italy

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  • Message 20 of 104

Re: Z500 brightness problems Windows 8.1

2013-11-07, 12:17 PM

Try the newest drivers for Windows 8.1.

http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS037399

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