If you are using both drives:
It won't see anything different. You'll only see the differences when you go to look for it.
e.g. Going into the BIOS and list all installed hard drives, you will see your new one listed there.
Going into Windows Device Manager, you will see it there.
Going into Windows Disk Manager, you will see it there, and will be able to partition/format it
After it has been partitioned/formatted, you will be able to see it as new drive in Windows 'This PC'.
If you are replacing with a blank drive:
All references to the previous drive will be removed/broken
The drive will not be bootable, and you will need bootable OS installation media (like CD or USB)
If you are replacing with a cloned drive:
The BIOS will see a different drive.
The previous drive will be removed from the list of boot devices.
The new drive will not automatically become a boot device, you need to do that manually.
You won't notice anything different in Windows.
all i got was message saying (could not find a bootable drive.
You will need to go into the BIOS and select the new hard disk as the highest priority boot device.