Hello guys i have installed kali linux with graphical install.I follow all the steps of graphical installation.When the installation finished on reboot
i have this error message.


For Atheros PCIE Ethernet Controller v2.1.0.9(08/12/11)
Check Cable Connection!
PXE-MOF: Exiting Intel PXE ROM


My computer is a lenovo G580 laptop.I have this loop and it doesnt let me to log into Windows 7 or Kali linux....I think i Have problem on grub menu.Can anyone help?