It seems like the issue you are facing with Spectrum Lab on your new laptop is related to the hardware or configuration settings of your new machine. Since it runs smoothly on your old laptop, it is possible that there may be some compatibility issues or settings that need to be adjusted on your new laptop. You might want to check if there are any specific requirements or recommendations provided by the Spectrum Lab software for optimal performance on different machines. Additionally, you may also consider reaching out to the Spectrum Lab support team for further assistance in resolving the jerky behavior issue.