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9 Posts

09-20-2017

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Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-01-31, 2:34 AM

Brand new Yoga C740 here. After first Windows 10 boot and setup, touchpad is not recognized, nor disabled or hidden on device manager.

I tried a hard reset refreshing windows 10 and again touchpad not even recognized.

 

I know touchpad works because in Bios, cursor is moved and buttons works, so doesn't seem to be a faulty hardware.

 

I was checking the drivers section for the laptop but there is no driver for touchpad there. So what's brand is the touchpad of the Yoga C740? Any alternative driver i can use for it on Windows 10?

 

Thanks in advance

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337 Posts

11-26-2019

HK

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Re: Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-01-31, 3:22 AM

So the touchpad driver is shown to be unrecognized (with a yellow exclamation mark icon) in the device manager right?

Try to uninstall that driver and restart your device. Windows should fall back to the generic driver. Then you can find a suitable driver afterwards.

 

Prepare a USB mouse for that, in case things go wrong.

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Re: Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-01-31, 17:07 PM
Hello, thanks for your answer.
No, as i mention is not even in the device manager, and there is no device with exclamation mark.
I tried several times the "search hardware changes" option and nothing appear. That's why i would like to try installing some driver to see if it's recognized. I don't understand how is not detected by Win 10 but works in bios.
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9 Posts

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Re: Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-02-01, 14:56 PM

Talking with a few Lenovo support guys and they were not able to fix it.

 

But i got it working after updating Intel Serial-IO driver (i really not sure if it has something to do with the touchpad), and uninstalling the keyoard driver that was detected by windows 10 from device manager. Once i restart everything was working ok.

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02-20-2020

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Re: Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-02-20, 0:12 AM

You updated Intel Serial-IO driver found in the device manager? Under what category. I'm having the same problem with the same laptop model.

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1 Posts

05-27-2020

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Re: Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-05-27, 23:42 PM
I had the same problem when I purchased an open box C740 from Best Buy. Multiple drivers including the intel networking driver were missing. I ended up using a thumb drive to go to the Intel site and download the driver. I moved that to the C740 and ran the installation script. Once I had networking, I went to the Lenovo site and installed Service Bridge until it completed all the updates. Then I went ran Windows update until it ran clean. It required quite a number of updates and reboots (between the updates) and took an hour or so but seemed to resolve all my issues including the touchpad. Yes, as part of the updates, the Intel Serial IO driver was updated. Inconvenient but not very difficult to solve. Good luck.
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07-14-2020

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Re:Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-07-14, 6:21 AM

Hello,

 

I have the similar problem with touch pad on new C740 laptop. It's not function properly. Very lacking, even when I disable I am still able to use it

Sometime, i can not right click or left click at all.

 

Could you please guide me thru how to fix it.

 

Thank you  

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2 Posts

07-26-2020

GB

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Re:Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-07-26, 17:49 PM

I am facing the same issue on my Yoga Lenovo C-740 that I bought 3 months ago. I tried above ways to fix but failed. With the consultation of customer care in live chat, I have reset my factory setup but still the touch-pad does not work and no driver showing in the device manager. Before factory set up, the Device Manager also could not be opened. Is there anyone knows any solution to fix the touch-pad problem ?

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1 Posts

08-08-2020

DE

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Re:Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-08-08, 16:59 PM

Hi,

 

I just fixed it by installing the SIO Driver.

 

You can find it here:

 

https://pcsupport.lenovo.com/us/de/products/laptops-and-netbooks/yoga-series/yoga-c740-14iml/downloads/ds541114

 

Hope it helps.

 

Regards,

 

Jan

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1 Posts

08-12-2020

AF

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Re:Brand New Lenovo Yoga C740 14 IML - Touchpad not working in Windows 10

2020-08-12, 15:24 PM

F1re-W1re. Thank you man, that saved my day.

 

https://pcsupport.lenovo.com/us/de/products/laptops-and-netbooks/yoga-series/yoga-c740-14iml/downloads/ds541114

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