Windows performance is low

Discussion in 'Windows Guest OS Discussion' started by RafaelL4, Apr 25, 2022.

  1. RafaelL4

    RafaelL4 Bit Poster

    Messages:
    3
    Hello guys,
    I'm experiencing poor performance with Parallels running Windows 10.
    In the past, about 3 months ago, I tested Parallels and it performed well with the trial version.
    After purchasing the app, installing it and starting to use it, I am facing this poor performance.
    Could anyone help to understand this low performance? What could change from 3 months ago?
    Thanks in advance
     
  2. GampaA@Parallels

    GampaA@Parallels Staff Member

    Messages:
    432
    Hello RafaelL4, Please refer to the knowledge base article to improve virtual machine performance. Thanks.
     
  3. RafaelL4

    RafaelL4 Bit Poster

    Messages:
    3
    Hello GampaA,
    I followed the KB https://kb.parallels.com/en/112091 but I'm still having the poor performance issue.
    Is there another performance related KB?
    Thanks in advance.
     
  4. McallenT@Parallels

    McallenT@Parallels Staff Member

    Messages:
    209
    Hello @RafaelL4, The above-mentioned KB article is the only KB article for improving the performance of Windows virtual machine. Please refer to this KB article: https://kb.parallels.com/6571 to create a support ticket and reply here with the ticket number so that we can arrange a callback / remote session. Thanks, Parallels Team.
     
  5. RafaelL4

    RafaelL4 Bit Poster

    Messages:
    3
    Hello,
    The ticket opened to check this issue is
    #3429561
     
  6. Paya

    Paya Bit Poster

    Messages:
    16
    I have been using Parallels for years now. And I can definitely say the performance went down a lot in the last 3 months or so. I think something got broken recently. Hardware acceleration on MacOS guest is broken - just look at some recent posts in the MacOS guest forum. I have hardware acceleration issues on Windows too, particularly in browsers (don't play games etc). Several USB devices stopped working for me for no reason (both in Windows guest and MacOS guest, at the same time!!!), such as external webcam and Android USB-debugging. If you can, downgrade to whatever version you were running during trial.
     

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