Does it matter if my seoncd hdd is primary

Solution
Depends on where the bootsector for your OS is located. If it is on the drive you remove, you can't boot.
Bootsector is usually if not always on C: drive but OS can be on any drive lettter.
Windows also tends to re-arrange drive letters when you remove Disk drives.

mamasan2000

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Depends on where the bootsector for your OS is located. If it is on the drive you remove, you can't boot.
Bootsector is usually if not always on C: drive but OS can be on any drive lettter.
Windows also tends to re-arrange drive letters when you remove Disk drives.
 
Solution