Sean.lim wrote: > > I install the CPOS-7-Installation-20141120-1.ISO on the AIX power 720 > (CentOS power PC version for the AIX power serices) > > Then I saw a message below > > Please wait, loading kernel. > :0,/vmlinux: Unable to open file, Invalid device > Boot: > > How can I boot it up? Please give me an advice . You seem to be in a grub shell. Try typing root (hd<tab> and see what it gives you. mark