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09-15-2015

Czech Republic

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ThinkPad Yoga 14 touch screen misbehavior

2015-09-15, 9:03 AM

I am experiencing problems with the touch screen on ThinkPad Yoga 14. Sometimes it recognizes 1 tap as more taps. When typing some letters are pressed more than once or when scrolling through a webpage it randomly zooms (zoom is caused by the falsely recognized double tap gesture).

 

Sometimes it happens more often (several times per minute), sometimes it is working fine. I really have no idea what could be affecting the touch screen responsiveness this way.

 

The notebook was bought in June, it is a version with a GeForce 840M and without a digitizer.

 

The issue was present in Windows 8.1 Pro and is still present in a fresh install of Windows 10 Pro.

 

I have contacted the support on this matter. They replaced the whole LCD. For some time it seemed OK, but now the issue is back. I have been in contact with the technician and he's clueless what could be causing it other than the LCD.

 

Any ideas? It makes the tablet mode almost completely useless.

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2056 Posts

02-28-2012

Ecuador

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Re: ThinkPad Yoga 14 touch screen misbehavior

2015-09-18, 12:13 PM

Hi Knight1

 

I have a similar machine but I'm not experiencing this problem.

 

I don't know if you did it before but it can be good to start updating your drivers. If you do not have experience with that try using the "System Update" utility from Lenovo. If you do not have it already installed check it here.

 

Update the BIOS, video and recommended driver.

 

Sorry it is not a solution but maybe you can try to see if there if some touchscreen driver can be updated.

 

Regards









Martín Itúrbide
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4 Posts

09-15-2015

Czech Republic

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Re: ThinkPad Yoga 14 touch screen misbehavior

2015-09-18, 13:58 PM

Thank you for the reply, but all the drivers are newest possible. No display firmware updates, according to the Lenovo tech, are available.

 

There is another thing with the display - do you experience display bleeding on sides? Only on black - looks like this one: http://www.jessenortier.com/so/SXPS_1640_RGBLED.jpg

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2056 Posts

02-28-2012

Ecuador

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Re: ThinkPad Yoga 14 touch screen misbehavior

2015-09-18, 23:35 PM

Thanks for the picture.

 

It seems that you have different model of Thinkpad Yoga14 compared to mine. Just curious, which is the model number?

My screen does not look like that when it is complete black.

 

Regards









Martín Itúrbide
OS2World.com NewsMaster
Self-proclaimed Trackpoint Fan Club President
"Don't Panic"
Wil Wheaton
Remember: Your Friend Wil Declares....
Please click "Like" for Ego Boost !!


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4 Posts

09-15-2015

Czech Republic

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Re: ThinkPad Yoga 14 touch screen misbehavior

2015-09-19, 9:34 AM

That was only an illustration of display bleeding I had found on the internet. My Yoga's display photo is here: http://imgur.com/iMMpVpY

 

Anyway, it's not the main reason why I wrote to this forum. I would like to find a solution to the touch problem.

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2056 Posts

02-28-2012

Ecuador

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  • Posts: 2056
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Re: ThinkPad Yoga 14 touch screen misbehavior

2015-09-19, 13:46 PM

Hi.

 

I just notice in the complete dark that I also see "more lightly" borders on the screen with a black screen, but it is not as much as it shows on your picture.

 

About the touch screen problems, let's see if we can find if there is some configuration issues. Here are some screenshots of my Windows configuration.

 

I hope it helps or give us some hints.

 

Link to image 1

 

Link to image 2

 

 

Moderator comment: Image(s) converted to link(s). For helpful information, please see: About Posting Pictures In The Forums.









Martín Itúrbide
OS2World.com NewsMaster
Self-proclaimed Trackpoint Fan Club President
"Don't Panic"
Wil Wheaton
Remember: Your Friend Wil Declares....
Please click "Like" for Ego Boost !!


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