Windows 8 fails to boot when ide storage drive disconnected

Brach18

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Mar 22, 2013
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10,510
In short.. I had windows 7 installed for numerous years on my crucial M4 with 2 additional drives, a WD 1tb black, and a super old ide WD 80 gb black that I threw in the case just because it was laying around. At some point I had to recover my windows 7 operating system but I have now upgraded to 8.1. After buying a new drive to replace the old 80gb today I realized that the pc will not boot without the 80gb ide connected even though it does not contain any OS files. The 80gb drive does not show up under devices in 8.1 but I can see it if i go into disk management. Upon trying to delete and reformat the disk I found that the option to delete the partition is unavailable (searched and tried to do so using a cmd prompt and it once again would not allow the partition to be deleted using admin cmd). Upon removing the drive from the pc the first screen during the boot says something about ide passthrough no drive found, and then afterwards it states that I cannot continue without rebooting and choosing an appropriate boot option (SSD is listed as the first boot option in bios & have tried to manually select it using F11 during boot as well). At one point I chose the 80gb drive as the first boot and a screen popped up stating that windows 7 (recovered) could not boot and to insert boot disk. At this point i'm stumped. It seems that the drive has some remnants of my win 7 OS on it and the machine simply will not boot into win 8 without it but I also cannot reformat/repartition the drive (even tried win 7 repair tools and was unable to reformat it).

Sorry for the length... What am I missing?

Brach
 
sounds like your boot partition and loader are on the older drive.
you will want to put it on the new drive, either manually or via the windows repair
manual version involves starting a command prompt (cmd.exe as admin)

bootrec.exe /fixmbr
bootrec.exe /fixboot
boortrec.exe /scanos
bootrec.exe /RebuildBcd

then you might need to run diskpart.exe and mark the partition as the active boot partition

most people would unplug the old drive, boot on the windows disk and run a repair and see if that takes care of the problem.
 

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