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Old 04-03-2012, 01:22 PM   #1
needsleep
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centos 6.2 live cd copied to disk: no operating system on re-boot


Using centos 6.2 live cd, I installed it to disk. I rebooted and it came up in text mode. I worked through the installation until complete. Then I rebooted again. It came back up in text mode. Thinking I had done something wrong, I re-installed it in a GUI mode. After reboot, it again came up in text mode! I used LiveCD itself to probe what I now had on my disk. I had 2 copies of the operating system. I could not delete either one - locked or something. I had an old copy of system commander and used that to look at the disk. I reformatted the disk. All I wanted to do was to get back to a pristine state. But on reboot it again wanted to go into Linux. I had seen an option in System Commander to wipe the boot record, so I did that. I re-installed Linux using LiveCD onto the hard disk, but on reboot, I now get the message, "No Operating System".
 
Old 04-03-2012, 07:31 PM   #2
unSpawn
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Here's one way how to troubleshoot the situation:
0. Check the RHEL Hardware Compatibility List to ensure your HW works,
1. Install Centos ensuring it destroys all previous partitions,
2. On reboot run "firstboot" post-install configuration,
3. If the Display Manager doesn't run in runlevel 5 look at 'dmesg', /var/log/messages and `egrep "(EE|WW)" /var/log/Xorg.${DISPLAY}.log` for clues.
* Don't post a reply with "doesn't work" or an account of things but actual output and or error messages
 
Old 04-05-2012, 11:54 AM   #3
needsleep
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Initially, the system wouldn't boot from the CD drive despite the fact that it was the first in the list to be checked. So I deactivated all other boot options (hard disk, USB drive, Network). This worked. Then after I copied the operating system on to the hard disk, I forgot I had set up the boot process this way. So when I removed the LiveCD disk, trying to get it to boot off the hard disk, of course it couldn't find the operating system, since it was only looking at the CD drive. My apologies!! I guess that would be a newbie mistake.
 
Old 04-05-2012, 12:03 PM   #4
unSpawn
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NP, thanks for posting your solution.
 
  


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