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3 Posts

10-24-2021

Latvia

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USB C to DisplayPort stopped working

2021-10-24, 17:43 PM

Hi,

 

I am unable to use an external monitor with my Yoga Slim 7 Pro laptop. It was working initially but stopped at the end of September.

I believe there was a Lenovo BIOS update & some Windows updates at the same time.

I know that the monitor and cable are working but for some reason monitor is not recognized when plugged into  my laptop in either one of the USB C ports. All drivers / Windows updates are up to date according to Lenovo Vantage.

 

My laptop: Yoga Slim 7 Pro 14ITL5

BIOS: FJCN65WW

 

Any idea, how could I make it work?

 

Thanks

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5625 Posts

04-23-2019

United States of America

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  • Message 2 of 4

Re:USB C to DisplayPort stopped working

2021-10-24, 17:47 PM

Hello @johnnybravo777 ,

 

Welcome to the Community Forums.

 

Please try installing the Serial IO drivers from the support site.

You can download it using this link (please note that you may have to enter your serial number in order to get the right file): https://pcsupport.lenovo.com/ph/en/products/laptops-and-netbooks/yoga-series/yoga-slim-7-pro-14itl5/downloads/driver-list/component?name=Motherboard%20Devices%20%28core%20chipset,%20onboard%20video,%20PCIe%20switches%29


Hope this helps.
Regards,
Jack_Lenovo1



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3 Posts

10-24-2021

Latvia

2 Signins

10 Page Views

  • Posts: 3
  • Registered: ‎10-24-2021
  • Location: Latvia
  • Views: 10
  • Message 3 of 4

Re:USB C to DisplayPort stopped working

2021-10-24, 18:19 PM

I installed Intel Serial-IO (SIO) Driver from the link, restarted laptop but no change, monitor still is not recognized.

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3 Posts

10-24-2021

Latvia

2 Signins

10 Page Views

  • Posts: 3
  • Registered: ‎10-24-2021
  • Location: Latvia
  • Views: 10
  • Message 4 of 4

Re:USB C to DisplayPort stopped working

2021-10-24, 23:40 PM

Ok, I managed to solve it using this thread - https://forums.lenovo.com/t5/Gaming-Laptops/USB-C-Hub-quot-Display-Connection-Might-Be-Limited-quot-IdeaPad-L340-Gaming/m-p/4638383?page=2

Basically disconnecting charger and holding power button for 10 or so seconds

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