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6 Posts

11-26-2013

London

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Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-11-26, 10:06 AM

Hi,

 

I love the Yoga 2 Pro. But i have fews issues with it. Especially when used on battery.

 

My screen flicker from time to time. The onyl fix i found was to close the lid to put the laptop to sleep and the reopen it. Not very convinient.

 

An other issue I encounter is the screen blanking after a while when the computer is not in use. It's like the computer blank the screen to save battery power, but when you want to reuse it again, it won't start again. THe only fix is to hard reset the computer (eg : press 10s the power button)

 

I am running a fresh clean install of Windows 8.1 Pro with all the Lenovo Drivers up to date (exept the BIOS one)

 

If you could help me fix my issues. I think it's software related.

Do you think i should put the BIOS update ? Does anybody ever try with a clean windows 8.1 install ?

 

Thanks a lot,

Romain

 

 

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103 Posts

11-09-2013

Fairfax, Virginia

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-11-26, 13:52 PM

see http://forums.lenovo.com/t5/Idea-Windows-based-Tablets-and/Y2P-screen-is-unwantedly-adjusting-brightness/td-p/1330713

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6 Posts

11-26-2013

London

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-11-27, 11:40 AM

Nope, it doesn't fix the issue.

 

My screen is still flickering randomly.

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13 Posts

11-25-2013

San Luis Obispo, CA

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-12-04, 20:32 PM

I have the same issue, only it occurs at low brightness.

 

It flickers rapidly for a few seconds and goes away. It occasionally comes back, making it unable to work in darker environments with the rapid flickers.

 

I've checked all the auto-brightness and intel power saving options. I tried using both refresh rates, and they don't make a difference. The problem occurs in all power plans and even in the non-Lenovo energy manger modes. All drivers and BIOS are up to date.

 

I'm at a complete loss as to why this is happening...I would greatly appreciate a solution. I sincerely hope I don't have a defective laptop..):

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13 Posts

11-25-2013

San Luis Obispo, CA

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-12-11, 10:21 AM

Anyone have any insight into this? I'm still consistently getting flickekring whenever my brightness is below 40% or so...

 

the power options, adaptive brightness, and intel power saving features are all off. I'm at a complete loss.

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12 Posts

10-27-2013

Iowa

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-12-11, 16:35 PM

I do notice this at low brightness settings as well, there is not a pattern to the flickering but it does happen.  I don't recall it being a issue before the bios update, so hopefully it will be addressed in a future update.  At 50% or better brightness I do not notice it, but I do from 40% and down. Very noticable in a darker room.  I too have the adaptive brightness settings off, as well as other power settings.  I have nothing under volted in extreme tuning, but may ramp up the turbo boost a bit to see if it makes a difference.

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10 Posts

02-05-2013

New Jersey

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-12-27, 21:07 PM

The same thing happens with my Yoga 2 Pro.  It only happens on battery power.  Adaptive brightness has always been turned off, so it is not related.

 

Sometimes I notice that the windows onscreen at the time will look like they are changing their size slightly, so my guess is that it is related to the display driver -- like the kind of artifacting you see when you're upgrading the display driver.

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16 Posts

12-11-2013

Seattle

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-12-28, 18:54 PM

Have you tried updating the graphics drivers?  I have my adjust screen brightness turned off. I had one time where my screen flickered between black and my desktop.  I did not close the lid, but it did this many times.  I shut it down.


I checked my graphics drivers and they were old. I downloaded new ones from intel's website and have not had that problem since.  Not sure if it's fixed because of the graphics drivers or what. 

 

 

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10 Posts

02-05-2013

New Jersey

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2013-12-28, 20:28 PM

I went into the Intel graphics management window and disabled all the power saving features under the battery power section -- including the panel refresh option -- and that seemed to help.  

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2 Posts

01-07-2014

Dallas

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Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

2014-01-07, 3:49 AM

I continue to have this problem also, its better with the power saving off and the adaptive brightness turned off.

Lenovo wants me to return it for repair. Bummer because other than issue this I love this Y2P I hope the can fix it!

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