Parallels 20 and Windows 11 24H2 - slow mouse scroll

Discussion in 'Product updates and feedback' started by MartinS4, Oct 15, 2024.

  1. MartinS4

    MartinS4 Bit poster

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    After updating Parallels to Version 20.1.0 (55732) and Windows 11 VM to 24H2 (26100.2152), scrolling got extremely slow. It only moves the view a couple of pixels for each full turn of the mouse wheel. I found out that if I go to Device Manager in Windows, find the "Parallels USB Mouse Synchronization Device" and disable and enable it again, scrolling works fine until I restart the VM.
    Optimize for Games setting nor editing <SmoothScrolling> element in config.pvs has any effect.

    Screenshot 2024-10-15 at 10.38.02.png
     
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  2. Ashley Chumun

    Ashley Chumun Staff Member

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    Best Answer
    Hello Everyone,
    Please follow the steps below to fix the issue with slow scrolling inside your Windows Virtual Machines:
    1. Open Parallels Desktop > Launch your Windows Virtual machine experiencing the scrolling issue.
    2. Click on the Windows Start Icon > Type CMD > Right click on Command Prompt > Run as Administrator
    3. Execute the command below:
    powercfg /hibernate off
    4. Shutdown the virtual machine (Click on the Windows Start Icon > Click on the Power Button > Shutdown)
    5. Launch the Windows Virtual Machine again > The scrolling should be back to normal.
    Thank you!
     
  3. MartinS4

    MartinS4 Bit poster

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    Here's a recording illustrating the issue:
    [​IMG]
     
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  4. KirkD3

    KirkD3 Bit poster

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    I'm having the exact same problem. Disabling and enabling Parallels USB Mouse Synchronization Device fixes. But, when I log into Windows 11 again, it does the same thing. HELP!
     
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  5. Dwynfal

    Dwynfal Bit poster

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    I'm having the same problem. Disabling/enabling in Device Manager temporarily fixes the issue.
     
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  6. MartinS4

    MartinS4 Bit poster

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    Guys, which macOS version do have installed on the host? I'm still on Sonoma (14.5). I wonder if upgrading to Sequoia would help.
     
  7. Dwynfal

    Dwynfal Bit poster

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    I'm on Sequoia 15.0.1 and am having this issue on Windows 11 Pro 24H2 (1000.26100.32.0) with an Apple Magic Mouse.
     
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  8. MartinS4

    MartinS4 Bit poster

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    OK, so macOS version probably doesn't matter.
    My mouse is Gigabyte M6800.
     
  9. FranciscoD6

    FranciscoD6 Bit poster

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    I have the same issue, but after installing Version 20.1.1 (55740) and Windows 11 VM to 24H2 (26100.2152) it did not fix the issue.
    BTW, I tried the first solution, and I was not able to enable back the Mouse, so I needed to revert to a previous snapshot of my VM
     
  10. FranciscoD6

    FranciscoD6 Bit poster

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    Good news, I fully mitigated this, modifying the mouse "Lines to scroll at a time" config to 100 as per my screenshot
     

    Attached Files:

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  11. Dwynfal

    Dwynfal Bit poster

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    Good find. I spend my days scrolling through long Word documents, which wouldn't work anymore unless I disabled/enabled the Sync Device each time after booting up the VM. Increasing the value to 100 as you suggest now allows me to scroll through docs in Word, but it's painfully slow. Now, leaving this setting at 100 and disabling/enabling the device after boot results in scrolling on steroids that's arguably way too fast :D So I suppose there's still something wonky happening that Parallels needs to figure out.
     
  12. ChristophK11

    ChristophK11 Bit poster

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    I'm having the same issue with Windows 11 24H2 and Parallels 20. I'm on Sonoma 15.1 RC.
    If I reboot the virtual machine after the first boot, the issue is fixed (but it is annoying as hell)
     
  13. PN_2

    PN_2 Bit poster

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    Hi everyone, have any of you tried updating Parallels Tools? I just updated it, and the error is gone
     
  14. PN_2

    PN_2 Bit poster

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    Now, when reopen windows it till error
     
  15. ChristophK11

    ChristophK11 Bit poster

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    I did, but it's the same as simply rebooting the VM for me. It's just a temporary fix and the scrolling issue is back the next time I do a fresh start of Parallels and the VM
     
  16. Traveloguy

    Traveloguy Bit poster

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    I spoke to support today and they suggested re-installing Parallels Tools into Windows 11. For me this solution did end up working, although I had to do it twice for some strange reason as upon my second reboot the slow scrolling issue reappeared.

    Thankfully re-installing Parallels Tools into Windows 11 a second time seemed to do the trick.
     
  17. MDN255

    MDN255 Bit poster

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    I'm experiencing the same issue with Parallels Tool. I have the same version and have had the same problem since I started using it. Temporarily, restarting or reinstalling Parallels Tool resolved the issue, but I have to repeat this process every time I shut down the Windows 11 VM.
     
  18. ChristophK11

    ChristophK11 Bit poster

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    Same here. Reinstalled Parallels Tools multiple times now, but it's still only a temporary fix. It's the same as simply restarting the VM.
     
  19. MartinS4

    MartinS4 Bit poster

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    For me, reinstalling Paralles Tools only helps until you power down the VM. The issue comes back right after the next startup. It persists even after updating to Parallels Desktop Version 20.1.1 (55740).
     
  20. kunze50

    kunze50 Bit poster

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    Good to know there's a workaround, but this needs to be addressed as soon as possible.
     
  21. kunze50

    kunze50 Bit poster

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    Try hitting the enter key on keyboard once disable.
     

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