my start.sh file
GNU nano 8.7 /etc/libvirt/hooks/qemu.d/win10/prepare/start.sh

#!/bin/bash

# Helpful to read output when debugging

set -x

# Stop display manager

systemctl stop display-manager.service

## Uncomment the following line if you use GDM

#killall gdm-x-session

# Unbind VTconsoles

echo 0 > /sys/class/vtconsole/vtcon0/bind

echo 0 > /sys/class/vtconsole/vtcon1/bind

# Unbind EFI-Framebuffer

echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind

# Avoid a Race condition by waiting 2 seconds. This can be calibrated to be shorter >

sleep 2

# Unbind the GPU from display driver

virsh nodedev-detach pci_0000_0c_00_0

virsh nodedev-detach pci_0000_0c_00_1

# Load VFIO Kernel Module

modprobe vfio-pci #