Thanks Mark I tried to type some command below. Could you tell me what I exact type after boot: ? (I am not an expert of Linux but, I would like to fix this issue) Thanks again Sean root:0,/vmlinux: Unable to open file, Invalid device boot: root{hd Please wait, loading kernel... root{hd:0,/vmlinux: Unable to open file, Invalid device boot: can't get <device_type> for device: Please wait, loading kernel... can't get <device_type> for device: :0,/vmlinux: Unable to open file, Invalid device boot: root {hd Please wait, loading kernel... root:0,/vmlinux: Unable to open file, Invalid device boot: root {hd Please wait, loading kernel... root:0,/vmlinux: Unable to open file, Invalid device boot: conf Current configuration: device: /pci at 80000002000000a/pci1014,0339 at 0/sata/disk at 60000 partition: 0 file: /etc/yaboot.conf boot: root /etc/yaboot.conf Please wait, loading kernel... root:0,/vmlinux: Unable to open file, Invalid device boot: -----Original Message----- From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf Of m.roth at 5-cent.us Sent: Wednesday, March 18, 2015 2:39 PM To: CentOS mailing list Subject: Re: [CentOS] CPOS-7-Installation-20141120-1 install problem 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 _______________________________________________ CentOS mailing list CentOS at centos.org http://lists.centos.org/mailman/listinfo/centos