performance

  1. C

    Parallels 17 colors and game performance on iMac M1

    Having read the hype about the new iMac with Apple Silicon, I bought an iMac M1(2021) 24" 16GB/256GB and installed Parallels 17 plus Windows 11. Purpose: to be able to continue running the flight simulator X-Plane 11. Result: the combo is easy to install and does not crash, which is admirable...
  2. J

    How to best troubleshoot performance issues in Win 11 ARM on Mac M1

    Hi I have started using Parallels recently in connection with my new Mac M1 Max. I have installed the Windows VMs that I need now on Windows 11 ARM (64bit). Most of the time everything runs fine and fast. However, when I build a project in IBM Domino Designer (which is Eclipse) then it take...
  3. T

    Solidworks Performance Issues

    Hi, I am an industrial designer who uses Solidworks extensively and love the apple experience and have waited for the day Solidworks will make a product specifically for Mac. Until then, I have been trying to figure out how to use Solidworks with Parallels. I have recently installed Paralles 17...
  4. S

    Smooth Scrolling / Fast Scrolling doesn't work on M1 Mac

    I use Parallels 17 both Standard and Pro Editions on two different Mac M1 Processor MacBook Pros under Windows 11 Insider Edition with all the latest Updates. My two Macs are also fully updated to macOS Monterrey 12.2. My issue is that ever since Parallels started to support the M1 chip the...
  5. B

    W10/W11 slow on iMac i9-9900K

    Hi, Windows 10 on an iMac i9-9900K with 32GB RAM is behaving slow, especially when clicking on URL links - it can take up to a minute that the VM is responding to the click. It used to work normally in the beginning. What I tried so far: upgrade to macOS Big Sur, upgrade to macOS Monterey...
  6. M

    Moving PDF XChange Editor window in coherence mode sluggish, other apps ok

    Hello, I am running Windows 11 in Parallels 17.1 on an M1 Pro Macbook Pro, using an external 4K monitor with the Macbook closed (i.e., single display). In Coherence mode, when I have PDF Change Editor open, moving around or resizing that window is terribly sluggish, up to the point it is...
  7. J

    Big Sur + Parallels 16 + Performance Issue w/ CPU usage

    I opened up my Parallels after upgrading to Big Sur and it forced an update to Parallels 16, so I am in a trial right now. After doing so, I noticed that my Parallels Windows 10 desktop was running fairly slow/sketchy even though the Windows 10 CPU and RAM aren't hardly being utilized and my...
  8. K

    CPU usage issue after upgrading to v16.1.3

    I've had a pretty stable Windows 10 on macOS 11 (from 11.1 through recent 11.3 beta) in Parallels 16.1.2 up to recent (Friday?) upgrade to v16.1.3. Since then my Windows 10 keeps spinning up 100% on all 8 CPU cores it has available which is mostly attributed to Microsoft Telemetry service. But...
  9. E

    Performance Issues

    I tried installing Parallels to my Mac and the window keeps fluctuating. I tried reinstalling it with little success. Does anyone know what it means when the window keeps shrinking and expanding over and over like this?
  10. D

    Windows VM periodically freezes for 5 to 15 seconds

    Version 16.1.1 (49141) Model Name: iMac Model Identifier: iMac15,1 Processor Name: Quad-Core Intel Core i7 Processor Speed: 4 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per Core): 256 KB L3 Cache: 8 MB Hyper-Threading Technology...
  11. F

    Performance of Mac-OS-VM's in Comparison with Windows-VM's much lower?

    Dear all: As I understand the size of the Parallels VM for Windows is some 3 times the ISO-Image. Yet the Parallels VM for mac OS is some 4-8 times larger than the ISO-Image, blowing up the operations system beyond 60GB or 4 times the size of Windows 10. I wonder if my RAM with 16GB (iMac 2020)...
  12. A

    Poor performance with MSProject on Windows 10

    Hi first of all the framework: Host: Model Name: MacBook Pro Model Identifier: MacBookPro16,1 Processor Name: 8-Core Intel Core i9 Processor Speed: 2.3 GHz Number of Processors: 1 Total Number of Cores: 8 L2 Cache (per Core): 256 KB L3 Cache: 16 MB Hyper-Threading...
  13. M

    Parallells suddenly incredibly slow [SOLVED]

    I think the title here is putting it nicely. It used to take med 30 - 40 seconds to start parallels, login to windows, open Visual Studio, open a project and start working. Now? Well, it takes me a full minute to even login to windows. After starting Visual Studio it takes 30 SECONDS before the...
  14. D

    PSA: Windows 10 VM clock speed capped at 667Mhz fix

    As the title says my Windows 10 VM RAM has a max clock of 667MHz which is obviously making it run really badly. I've been trying to tackle this one for a while trying different combinations of memory settings and I noticed all the questions on the forum related to this have gone unanswered. To...
  15. P

    Parallels isn't good working

    I recently installed Windows 7 on my Mac Book Pro with Intel i9, 64GB RAM and Radeon Pro 5500M in Parallels 12. Now the problem is that it runs extremely slow and you can't do anything with it. I've also assigned as much hardware as possible to Windows 7, but it still runs really slow. What...
  16. K

    Poor graphics performance in Windows when using scaled display mode in Mac

    I'm running Parallels 15 on my Mac Mini 2018, 3,2 GHz 6-Core Intel Core i7, 64 GB 2667 MHz DDR4, Mac OS Catalina 10.15.4 Beta (19E258a). I have the LG 34wk95u ultra wide monitor with the resolution 5120x2160, the monitor is connected through Thunderbolt 3 over UCB-C cable. I'm running with a...
  17. J

    Still over 100% CPU Usage . . . HELP

    There is ONE business application that I need to use Windows for - that is the reason I bought and installed Parallels and Windows 10 on my Mac. I had a 2016 12" MacBook Pro, and Parallels and Windows was devouring resources and running fans on high, so I upgraded hoping to stop this . . ...
  18. J

    Parallels 13 unusable performance on Catalina

    Just upgraded to Catalina and Parallels 13's performance is quite terrible. Lots of lag, makes it pretty much unusable. Not even running anything but basic programs and dragging windows around. Anyone else with this experience or fix?! My System: MacOS Catalina 10.15.2 iMac (Retina 5K...
  19. F

    Lightroom 6.14 on macOS guest system or maybe Windows guest system?

    Hello, I started with Parallels a three days ago, so I only scratched the surface of its possibilites. The main reason of getting into virtualtzation is for me that the perpetual license version of Lightroom cannot be installed or removed after switching to Catalina. So it thought that a Mojave...
  20. G

    Optimum performance of Windows guest for productivity

    Hello, I tend to use Parallels for mainly what are termed productivity apps: Office, Acrobat, etc. Haven't had too many issues with performance and with the current version of 15.1.x, performance is decent. I am wondering what settings I can change to squeeze out as much performance as...
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