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4 Posts

09-25-2019

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Cursor stuttering, typing lag and graphic issues

2019-09-25, 20:31 PM

Recently my s940 has just started having issues. mainly that the cursor will move but leave an image of where it came from and the typing stutters and lags a bit. There is also a grpahical issue where windows will load in strips vertically across the screen until you scroll.

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62 Posts

03-09-2018

DK

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Re: Cursor stuttering, typing lag and graphic issues

2019-09-25, 21:08 PM

Start with the first solution and work your way down the list until you find the one that works for you. 

  1. Reinstall the mouse driver
  2. Update the graphics card driver
  3. Check the local area network settings
  4. End Realtek audio.
  5. Other options

    1) Disable Cortana. Many users have reported that disabling Cortana helped fix  their freezing mouse. 

    2) Disable ATI HotKey Poller service. Many user have also reported that ATI Catalyst drivers including an ATI HotKey Poller service can cause mouse lag in certain system configurations. If you don’t need the ATI hotkeys, just disable this service. 

    Here’s how you can do it:

    a) Press the Windows key and R at the same time, type services.msc in and press Enter. 

    b) Locate ATI HotKey Poller service on the right side of the window. Then double-click it. 

    c) You’ll be in the Properties window. Change the Startup type to Disabled. Then click Apply and OK. 

    d) Restart your computer. 

    3) Don’t use USB hubs to connect your mouse. Directly connect your mouse and keyboard to your computer via the ports at the back of your PC to ensure you get the best performance. 

    4) Try to temporarily disconnect other USB peripherals, such as a digital camera, USB disk drive and so on. This will help you confirm whether this problem is caused by device conflicts.

     

     

    Regards,

    Adrian

Regards,
Adrian Gates
System Administrator
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4 Posts

09-25-2019

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Re: Cursor stuttering, typing lag and graphic issues

2019-09-25, 22:05 PM
Hi there,
 
I have tried all of those steps but still having issues.
 
Something i did notice is that intel utility was reccomending a graphics driver update but upon trying to do that it said it was not validated for this machine as it is not reccomended in lenovo's update utility.
 
I have manually installed the driver but that causes far more issues graphically.
 
it definetely feels like there is a driver issue
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1 Posts

09-26-2019

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Re: Cursor stuttering, typing lag and graphic issues

2019-09-26, 11:54 AM
It is working. I tried myself.
Jeorge Belly
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4 Posts

09-25-2019

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Re: Cursor stuttering, typing lag and graphic issues

2019-09-26, 15:33 PM

What works for you? 

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0 Posts

01-29-2020

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Re: Cursor stuttering, typing lag and graphic issues

2020-01-29, 5:28 AM

Hi, I'm having the same problem with my newly purchased s940, does anyone have a workable solution?

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4 Posts

09-25-2019

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Re: Cursor stuttering, typing lag and graphic issues

2020-01-29, 7:06 AM

I had multiple units with this issue. Ended up getting a different model. Honestly bizzare that the highest end IdeaPad has such issues

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01-29-2020

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Re: Cursor stuttering, typing lag and graphic issues

2020-01-29, 7:13 AM

Hi stormloop, sorry to hear that you returned it! I literally just found the solution to this in another thread for a similar YOGA laptop. Apparently in the Intel graphics control panel -> power options, disabling the panel self refresh fixes it! disabling it will slightly lower batter life since enabling it allows the panel to refresh by itself, but this must have been causing the de-sync between the graphics driver and the panel.

 

https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Yoga-S940-very-laggy/td-p/4527400

 

Hope you reconsider the s940, loving it so far.

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