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05-11-2019

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Yoga 2 COM ports drivers missing

2019-05-11, 19:41 PM

I have a Notebook Yoga 2, MT-M:  80DM59442414

 

I can't access any COM serial port, in the device manager 2 drivers are missing: "CDC EMC" and "CDC Serial". Windows 8.1 can't find them online. I read that they might be included in the chipset's driver named Intel Chipset Driver, aivable for download here:

https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/yoga-series/yoga-2-13-notebook-lenovo/downloads

 

I tried to download the driver but it can't be installed: when I try to do it the process terminate, after accepting the agreement and confirming the installation, with an error: "can't copy files", on the file "CSVer.dll" (the first one).

 

Hardware IDs:

 

USB\VID_1D6B&PID_0104&MI_04\6&31936B22&0&0004
USB\VID_1D6B&PID_0104&MI_02\6&31936B22&0&0002

 

Is there any other way I can install drivers for these two devices?

 

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3735 Posts

12-11-2015

US

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Re: Yoga 2 COM ports drivers missing

2019-05-11, 22:35 PM

Try disconnecting from the Internet, uninstalling KB3126593 via the "Programs and Features" control panel, and then try installing the previously downloaded Windows 8.1 Chipset Driver again.     

 

When you open Programs and Features, select "View Installed Updates" in the left pane, and then paste KB3126593 into the search window in the upper right to locate the offending Security Update.

 

If the installation of the Chipset Driver completes normally, you can reinstall KB3126593 using this link, https://www.microsoft.com/en-us/download/details.aspx?id=51063

 

 

 

Best of luck,

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2 Posts

05-11-2019

IT

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  • Posts: 2
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  • Message 3 of 3

Re: Yoga 2 COM ports drivers missing

2019-05-11, 23:43 PM

I don't have that update installed, but I still get the error even turning network off.

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