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RE: Cannot boot from CDROM

> -----Original Message-----
> From: fedora-list-bounces redhat com 
> [mailto:fedora-list-bounces redhat com] On Behalf Of Burnie West
> Sent: Monday, July 25, 2005 12:01 AM
> To: fedora-list redhat com
> Subject: Cannot boot from CDROM
> Hi - I installed FC4 a month ago or so (from ISO's downloaded 
> to a USB drive).  Worked fine.
> Today my internet connection died - a possible hardware failure.
> But to be sure, I attempted to boot with a KNOPPIX CD and 
> found I cannot boot from my CDROM.
> The boot process goes directly to the FC4.  I poked around 
> trying to understand and found
> (1) /boot/grub/device.map has two entries -- fd0 followed by 
> hda (says it was generated by anaconda)
> (2) /boot/grub/grub.conf lists FC4, FC4-install, and DOS 
> (which was by the way long ago corrupted and is now useless)
> (3) BIOS lists three boot devices in order CDROM, FLOPPY, and HDD-0
> I have a DVD drive and a CR-RW drive internal.
> I tried rearranging the BIOS order and ID's but am unsure of 
> the relation between available choices and the drives I have.
> I tried also including CDROM, using this revised file
> 	(cdrom) /dev/hdc
> 	(fd0)   /dev/fd0
> 	(hda)	/dev/hda
> and tried also with the first entry changed to (hdc)     /dev/hdc
> Always boots directly to FC4.
> Suggestions?  Thanks much.

I would hazzard a guess here and say that it has to be BIOS related. (apart
from the last option)

* Either your BIOS doesn't support booting from CDROM
* You never saved the BIOS settings when you set the CDROM to be the first
device to search.
* or, your CDROM image does not contain a bootable image...



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