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2 Posts

07-30-2013

United States

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X1 Carbon screen brightness problems

2013-07-30, 18:39 PM

I just recently noticed that I am unable to change the brightness of my screen, whether plugged in or not. I am not sure when this started because I do not adjust my screen brightness often however I know I adjusted it a couple of weeks ago just fine but then was unable to last night. I have tried both the hot keys and by going into the setting and neither one is working. Any help or suggestions would be much appreciated

 

I have been running windows 8 pro for about 6-8 weeks

 

Thanks

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1 Posts

10-10-2013

United States

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Re: X1 Carbon screen brightness problems

2013-10-10, 6:07 AM

I am having the same problem.

 

The problem solves when you restart your laptop. It does not solve even when you log off/on.

 

This means the Lenevo software is creating the problem. Hope Lenevo support engineers resolve the issue.

Thanks.

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1 Posts

10-30-2013

United States

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Re: X1 Carbon screen brightness problems

2013-10-30, 1:29 AM

I'm having a similar problem. Frequently after the laptop has been sleeping, it doesn't respond to Fn+F8/F9 at all. Sleeping the laptop again then logging back in doesn't fix the issue either, but restarting it does. I'm running Windows 7.

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9 Posts

06-24-2013

rochester, NY

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Re: X1 Carbon screen brightness problems

2014-05-05, 2:56 AM

I am having the exact the same problem . 

Did you find a solution to this ?

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12 Posts

04-19-2014

Germany

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Re: X1 Carbon screen brightness problems

2014-05-05, 16:40 PM

Same problem here. I turned off "auto screen brightness", but then the keyboard backlight wouldn't turn on automatically anymore :/

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9 Posts

09-25-2014

United States of America

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Re: X1 Carbon screen brightness problems

2014-09-25, 19:31 PM

Add me to the list. It's very annoying. I even tried to change it via control panel. Curiously other 'soft buttons' like volume or the [Fn] key work just fine. I hope they release an update to fix this.

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2 Posts

11-05-2014

33428

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  • Message 7 of 27

Re: X1 Carbon screen brightness problems

2014-11-05, 9:44 AM

I have the same problem

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4 Posts

11-19-2014

Canada

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  • Message 8 of 27

Re: X1 Carbon screen brightness problems

2014-11-19, 19:05 PM

I have the same problem.  Has anyone found the solution?

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9644 Posts

12-27-2009

Canada

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Re: X1 Carbon screen brightness problems

2014-11-20, 6:02 AM
Does this happen after resume from standby?

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
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4 Posts

11-19-2014

Canada

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  • Message 10 of 27

Re: X1 Carbon screen brightness problems

2014-11-20, 20:18 PM
It worked when I got the laptop a week ago. But after I did some driver updates as recommended, it stopped responding. I've tried downgrading the driver towindows default driver but still not working.
Just can't figure out why..
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