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1 Posts

11-20-2019

US

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Lenovo Yoga C940 - issues when connecting external monitor

2019-11-20, 16:58 PM

Hello,

 

I just purchased the model below along with a Kensington USB-C docking station. With an external monitor plugged in, I experience temporary "freezes" every few seconds. I've tried everything I can think of to try and pinpoint the cause, but signs point back to the laptop itself. I've tried:

  • connecting USB mouse/keyboard directly in the laptop port as well as in the docking station
  • using a wired mouse and keyboard
  • Bluetooth mouse and keyboard
  • Both HDMI and display cables to connect the monitor
  • Updated all drivers
  • Modified batterry/power settings for max performance
  • Disabled panel refresh
  • Tried a different extneral monitor
  • Tried the USB-C adapater on another computer and did not experience the issue

Lenovo - Yoga C940 2-in-1 14" 4K Ultra HD Touch-Screen Laptop - Intel Core i7 - 16GB Memory - 512GB SSD + 32GB Optane

 

Has anyone experienced these symptoms or have any other suggestions? 

 

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20 Posts

10-08-2019

CN

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Re: Lenovo Yoga C940 - issues when connecting external monitor

2019-11-21, 2:45 AM

Hi Pkeller

Welcome to Community Forums!

The power connector is the same and can be used for it.

Be awera of not to use 135W power adapter.

Hope this will help answer your query.

 

regards

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20 Posts

10-08-2019

CN

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  • Posts: 20
  • Registered: ‎10-08-2019
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  • Message 3 of 4

Re: Lenovo Yoga C940 - issues when connecting external monitor

2019-11-21, 2:48 AM
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20 Posts

10-08-2019

CN

39 Signins

400 Page Views

  • Posts: 20
  • Registered: ‎10-08-2019
  • Location: CN
  • Views: 400
  • Message 4 of 4

Re: Lenovo Yoga C940 - issues when connecting external monitor

2019-11-21, 2:49 AM
Sorry to make a mistake, please ingore this message, thx.
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