Please try:
sudo -i
echo "options mt76-usb disable_usb_sg=Y" > /etc/modprobe.d/mt76-usb.conf
exit
Reboot and show us again:
sudo dmesg | grep mt7
Errors trying to install the driver for ASUS USB-AC51 AC600
Please try:
sudo -i
echo "options mt76-usb disable_usb_sg=Y" > /etc/modprobe.d/mt76-usb.conf
exit
Reboot and show us again:
sudo dmesg | grep mt7