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5558 Posts

04-25-2008

United States of America

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  • Message 91 of 93

Re: x220 Brightness Keys Fail after Hibernate

2014-01-06, 15:30 PM

Hi siltdostrider!

 

1.04 is the oldest BIOS version available for the X220. Please update to BIOS 1.39 and tell us what you find!

USB-C: Just cos it fits don't mean it works.
I don't work for Lenovo. I'm a crazy volunteer!
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7 Posts

12-22-2013

Poland

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Re: x220 Brightness Keys Fail after Hibernate

2014-01-06, 17:17 PM

Hi!

 

I've Lenovo m490s laptop. Not x220.

 

And latest available bios is 1.04.

 

I've posted to this thread cuz I've the same problem!

If I press hibernate and close LID - brightness buttons (FN+UP/Down) could stop working. Also there could be visual bug on volume/brightness bar.

 

But as I said before if I hibernate and dont close the LID until laptop will turn off, everything is OK.

 

It's a litte bit annoying bug.

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7 Posts

12-22-2013

Poland

22 Signins

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  • Posts: 7
  • Registered: ‎12-22-2013
  • Location: Poland
  • Views: 90
  • Message 93 of 93

Re: x220 Brightness Keys Fail after Hibernate

2014-01-13, 11:41 AM

THE ISSUE IS SOLVED! Problem was in BIOS!

 

I've loaded setup defaults and everything is great from now.

Additionally I excluded everything from boot order except my SSD.

 

Brand new laptop from store had this bug.

 

Please add the solution to the FAQ! I had a lot of pain to find this solution.

 

Thanks to comrad who told me that this problem laying in BIOS.

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