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Operating Systems Linux Fedora Um, my computer suddenly won't start up Post 302834527 by bakunin on Friday 19th of July 2013 06:26:19 AM
Old 07-19-2013
Your systems BIOS has probably some boot priority set: prospective devices with bootable media (hard disk, CD-ROM, Floppy, USB stick, ...) are scanned and tried for bootable media. It is also possible to exclude devices from this process: once you have installed your system you probably do not want an accidentally left CD-ROM to be tried for a bootable system and hence stop the boot process, therefore it is commonly disabled as a booting device. Now is the time to revert this setting (and maybe switch it back on once you solved the problem).

There is probably also a key "boot options" which you can press during BIOS boot which allows you to temporarily pick a booting device.

I hope this helps.

bakunin
 

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isohybrid(1)						      General Commands Manual						      isohybrid(1)

NAME
isohybrid -- Post-process an ISO 9660 image generated with mkisofs or genisoimage to allow hybrid booting as a CD-ROM or as a hard disk. SYNOPSIS
isohybrid [OPTIONS] <boot.iso> DESCRIPTION
The isohybrid utility modifies a an ISO 9660 image generated with mkisofs, genisoimage, or compatible utilities, to be bootable as a CD-ROM or as a hard disk. OPTIONS
-h <X> Number of default geometry heads -s <X> Number of default geometry sectors -e <X>, --entry <X> Specify parititon entry number (1-4) -o <X>, --offset <X> Specify partition offset (default 0) -t <X>, --type <X> Specify MBR ID (default random) -u, --uefi Build EFI bootable image -m, --mac Add Apple File Protocol partition table support --forcehd0 Assume we are laoded as disk ID 0 --ctrlhd0 Assume disk ID 0 if the Ctrl key is pressed --partok Allow booting from within a partition -?, --help Display help -v, --verbose Display verbose output -V, --version Display version information SEE ALSO
mkisofs(1) isohybrid 17 Jan 2014 isohybrid(1)
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