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"No boot device found."

FBI parte due

FBI parte due

Folces Weard
So I decided to refurbish one of the old computers sitting around in my basement - abandoned when someone got a better one. The computers, when they were abandoned, were in working order, save one of the pair's motherboards, which had pretty much died.

I figured I could assemble a functioning computer and boot it up off of the CD drive with a Knoppix CD I had lying around, and then see whether the hard drives are functional.

No such luck. I tried to boot it, and the BIOS came up, but then it refuses to boot from any the of two CD drives and working, bootable hard drives I put in there.

It recognizes everything; it just can't boot from anything.

What the hell am I missing?
 
Is there a "Quickboot" option in your BIOS? Where it skips a bunch of POST tests in order to cut boot time? If that's enabled, you might be getting an unreported error...

Other than that, you could dry disabling every possible boot device other than your optical. Make sure you test your optical drive with more than one boot disk, that Knoppix may be a bad burn (or too scratched)...
 
Have you tried going into BIOS and setting the system to boot from CD-ROM?
Click to expand...
Yep. It was set to "cdrom first."
Is there a "Quickboot" option in your BIOS? Where it skips a bunch of POST tests in order to cut boot time? If that's enabled, you might be getting an unreported error...
Click to expand...
Nope.
Other than that, you could dry disabling every possible boot device other than your optical. Make sure you test your optical drive with more than one boot disk, that Knoppix may be a bad burn (or too scratched)...
Click to expand...
I know that the Knoppix CD works; I tested it before I tried using it. I also tried a few install disks.

Haven't tried disabling every boot device except for that, though.

Probably a hardware problem, tho. I tried the other, crappier one, and it wouldn't turn on, period, even when I switched out the power supply and checked the on button's connections.

Sitting down there in the dusty, damp basement prolly wasn't too good for them.
 
It's the CDROM drive which is having trouble being recognized. Remember, it is looking for a boot device, not an OS.
 
Wait, he said that the BIOS recognizes the CD-ROM and the hard drives, but it's just not booting. If it won't boot from the HDs either, then it's not just the CD-ROM.

Sounds like the MBR is gone. Try resetting your MBR with fdisk /mbr and see what happens.

Edit to add: just occured to CoyoteUgly that you won't be able to do that unless you get to DOS. Therefore, create a bootdisk on your good computer and make sure fdisk is on it as well. Instructions for this are easy to find.
 
Which one does it fucking recognize? If there wasn't a fucking problem with the fucking recognition he would be able to boot the fucking OS with no problem.
 
Dude, read his post again. The BIOS recognizes all his hardware. He knows he has an OS on one of the HDs. That should be booting off. It's not. Therefore, his MBR is screwed.
 
But if it won't even boot to an optical drive the MBR shouldn't have anything to do with it... the BIOS recognizes the optical and yet won't boot...

Does the mobo have a hardware virus protection system? Sometimes those need to be turned off to let systems boot of the optical, IIRC.

Oh, and fucking optical drive fucking boot fuck fucking.
 
Oh, wait...FBI...the knoppix disk...did you buy it or burn it yourself? If you burned it, then you might have not set it as a bootable disk...that would be why it won't boot.

And, your MBR is hosed.
 
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