Zorin 16.2 install problem

[Mr_Magoo]

Try these:

Only 1 core of CPU is recognized with acpi=off (Windows Dualboot)

Do you have the latest BIOS version? In your BIOS, do you have a HyperThreading option and is it enabled? Does your BIOS allow you to selectively disable CPU cores, and do you have that functionality set to run all cores? Have you tried removing acpi=off and replacing it with acpi_osi=Windows to tell the kernel to lie to ACPI? Have you tried removing acpi=off and replacing it with acpi_osi=Linux to tell the kernel not to lie to ACPI (it may be set to lie to it by default)? Have you tried r…

I suspect your GPU is dropping off the bus.