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2 Posts

04-05-2020

US

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Yoga C930 has keyboard lagging issue

2020-04-05, 7:14 AM

Hello!

 

I've been using my yoga book for almost a year now and recently I've been noticing that every now and then, the keyboard starts to lag and only seems to process characters at a rate of around 1-2 per second (even function keys and hotkeys). Every time this happens, and I've made sure to check the task manager, the Lenovo.Modern.ImController.PluginHost process starts to take up more CPU usage than normal: anywhere from 5% to 25%. And whenever the process goes back down to normal CPU usage levels, the keyboard stops lagging. This problem has been happening more often than usual and it is really frustrating to me especially since most of the answers that I've seen on other forums are either referring to software my laptop doesn't have like Lenovo System Interface or simply don't work. I've updated Windows to the latest version and I'm fairly sure my drivers and BIOS are up-to-date as well, since I've never gotten an update from Lenovo Vantage. What exactly does this service do and do I need it? How do I fix this problem? Thanks!

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2699 Posts

12-13-2016

US

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Re:Yoga C930 has keyboard lagging issue

2020-04-08, 17:48 PM

I responded to your identical post in the Yoga Community.

 

https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Yoga-C930-has-keyboard-lagging-issue/m-p/5007617?page=1#5024458


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1 Posts

04-13-2020

US

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Re:Yoga C930 has keyboard lagging issue

2020-04-13, 21:30 PM

I have a 4 month old Lenovo Yoga C930,  it has just started to show the slow keyboard issue.   Its like its being buffered up in the hard ware and the

CPU and display are several seconds behind.  I can type about 4 words faster then the key board can display them..  On a web browser 

any kind, the slide bar to the right works fine or much better, but the key board entry is VERY SLOW.   I have been in contact with Lenovo

HW support, they had me run the HW diag from there wed site, and it came back good, So they said its not a hard ware issue. but a SW issue.

At this point I DONT think so,    LENOVO    LOOK into this as there seems to be a lot of people with this issue.. 

 

Mark

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46 Posts

07-01-2019

FR

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Re:Yoga C930 has keyboard lagging issue

2020-07-12, 7:41 AM

Hi !

 

I'm facing the same issue since weeks and haven't been able to solve this problem.

 

I've tried all tricks found on the web without success.

 

Does anyone found a solution ?

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1453 Posts

06-08-2013

BE

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Re:Yoga C930 has keyboard lagging issue

2020-07-24, 4:42 AM
Try setting the process priority for the E-Ink keyboard to real-time in task manager. If this works, I'll provide a script to automate this for you without requiring third-party software.

Kind regards,

Jonas Hendrickx

Lenovo Insider, Windows Insider MVP

 

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46 Posts

07-01-2019

FR

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Re:Yoga C930 has keyboard lagging issue

2020-09-22, 20:14 PM

HI !

 

I finally solved the issue.

 

In my case the lag was due to Wacom ISD Service (for the Pen).

 

Updating to the following drivers solved the issue (even if said to be incompatible with my C930-13IKB Laptop) :

 

https://support.lenovo.com/th/en/downloads/ds505047

 

Hope this could help someone else.

 

BR

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