You installed a new version of Windows 7, just to discover that Windows made a 100MB partition on your old harddisk, so now you can’t boot without this harddisk….
I was looking for a solution to this, most solutions suggested to delete the partition and un-plug the old HD and then using the Windows CD to make a new system partition.
Well, I found a better solution and it worked out just fine.
If you want to keep a special partition for your boot files, start by making a 100MB partition on your C: drive (assuming Windows is installed here).
It is recommended to make a backup of your harddisk before following the next steps.
Now follow these steps, remember to use the correct disk and volumes.
- Click the Start button, then in the “Start Search” box, type “CMD” but do not press Enter yet.
- In the list above the search box, under “Programs”, right-click on CMD and choose “Run as Administrator” and click “Continue”.
- In the open console, type the following commands and press Enter:
select disk 0 \\I assume that the 100MB partition is in Disk 0
select volume 0 \\I assume that the 100MB partition is installed in "volume 0"
select volume 1 \\I assume that the OS is in "volume 1"
- Type in CMD (still in administrator mode):
C:\windows\system32\bcdboot.exe C:\windows /s C:
It should prompts that the command line is successfully. Restart the computer. The boot files should now have been moved from the old HD to the new one.
Note: if you put the boot files to a new partition, remember to set your OS volume to active again.