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HDD that's not detected by bios, still operational with LiveCD...

Last response: in Storage
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February 14, 2009 11:48:58 PM

Ok here's my problem. My primary SATA drive's boot loader started acting funny. After messing around a bit I re-wrote the MBR. At this point, the boot loader wouldn't load the OS (and damn me for not writing down the error message, something about not finding /dev/root I think if that makes any sense). I finally conceded and rebuilt the system from scratch. Now the BIOS isn't detecting the primary drive that's been rebuilt, however, I can use it normally if I use a rescue CD like "SystemRescueCD" and tell it to boot from that disk. This seems very strange to me that the BIOS doesn't see the drive at startup, yet post bootup it's available. Maybe someone could shed some light.

s2
a b G Storage
February 15, 2009 5:00:56 AM

Linux will ignore what the BIOS says and identify the hardware directly.
As to why the BIOS isn't detecting the drive (which is obviously there), I think you'll have to post some hardware details, it would also be worth running the manufacturers drive test tool (or Ultimate Boot CD).
February 15, 2009 5:27:58 PM

There might be a BIOS option to detect hardware (or disable for plug and play OSes). You can disable this "feature" if its there.

If you have more than one HD, make sure only the bootable one is listed under start up options.

Along with Hardware details, partition information, and BIOS version would be helpful. I have no clue what I'm talking about, but I like to pretend and try to help :) 
!