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5 Posts

04-29-2020

Sweden

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  • Message 1 of 23

Touchpad freezing IdeaPad S540 IML

2020-04-29, 7:36 AM

I've had my IdeaPad for about a month and have been having constant problems with the touch pad. It  randomly freezes when I'm using it, it only affects single finger touch and it becomes unresponsive up to a few seconds. Left and right clicking works, as well as scrolling and multi touch. 

 

My initial thought was to disable the palm check, but I don't have any settings for that, since that seems to be an Synaptics or Elan specific setting. To my understanding the "Touchpad sensitivity" option in windows settings should work similar to palm check. I also have a theory that under heavy CPU load the input becomes unresponsive.  From there on I've tried different solutions to locate the issue but without real success. I will list here what I have done without any whatsoever improvement.

 

  • Try all options in Windows settings for touch pad.
  • Try to not rest my palm against the base of the laptop.
  • Update all drivers, through Lenovo System Update, Lenovo Vantage, Windows update, Lenovo Support Automatic update.
  • Manually installed the Zero Touch Driver from the Lenovo drivers page.
  • Force install other Lenovo drivers for Synaptics, Elan and Alps touch device in Device manager.
  • Download Elan and Synaptics applications from Windows store.
  • Boot Ubuntu USB and run heavy CPU load- Pointer start freezing.

 

I'm starting to think its faulty hardware, but it would be nice to get some kind of verification or possible solution before I send it in for repairs.

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1 Posts

06-04-2020

United States of America

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Re:Touchpad freezing IdeaPad S540 IML

2020-06-04, 23:56 PM

Same issue with the same computer. Help would be appreciated

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6 Posts

07-12-2020

United States of America

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Re:Touchpad freezing IdeaPad S540 IML

2020-07-12, 7:36 AM

Exact same issue here!

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1 Posts

07-15-2020

United States of America

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  • Message 4 of 23

Re:Touchpad freezing IdeaPad S540 IML

2020-07-15, 2:13 AM
Have you received an answer or submitted a support ticket? I’m guess that’s what I’ll need to do.
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3 Posts

10-15-2020

Austria

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  • Message 5 of 23

Re:Touchpad freezing IdeaPad S540 IML

2020-10-15, 20:57 PM

Exact same issue here!! Any News?

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20 Posts

07-14-2020

Italy

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  • Message 6 of 23

Re:Touchpad freezing IdeaPad S540 IML

2020-10-15, 21:30 PM

Same issue here for touchpad.

 

Also webcam trouble random disconnect (with 1903-1909-2004 windows 10 and also UBUNTU)

 

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1 Posts

10-16-2020

Spain

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  • Message 7 of 23

Re:Touchpad freezing IdeaPad S540 IML

2020-10-16, 11:15 AM

I have the same issue but with Flex 5 14ARE05

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3 Posts

10-15-2020

Austria

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  • Message 8 of 23

Re:Touchpad freezing IdeaPad S540 IML

2020-10-19, 13:44 PM

Is there an synaptics driver out there?

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3 Posts

12-27-2018

Canada

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  • Message 9 of 23

Re:Touchpad freezing IdeaPad S540 IML

2020-10-19, 18:38 PM

Same issue - I’ve got the AMD 4500U model though.  It is clearly not related to the CPU type.  When will corrected drivers be available for the touchpad?

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3 Posts

10-15-2020

Austria

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  • Message 10 of 23

Re:Touchpad freezing IdeaPad S540 IML

2020-10-23, 6:15 AM

We need a ned driver! It's realy annoying! :(

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