This is controlled by what disk/controller is set to boot and what partition
is set to the Active partition. Here are some relevant articles:
223188 HOW TO: Restore the System/Boot Drive Letter in Windows
http://support.microsoft.com/?id=223188
135461 If Your MS-DOS or Windows NT Operating System Does Not Boot
http://support.microsoft.com/?id=135461
315261 The Computer Does Not Start After You Change the Active Partition by
http://support.microsoft.com/?id=315261
--
Emmers Presson [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.
"Bob M" <(E-Mail Removed)> wrote in message
news:07dd01c3aa67$96bc44a0$(E-Mail Removed)...
> Somehow my boot drive letter got set to H or while
> installing a second drive with a boot drive running it
> was set to H. I would like to change this letter to C, is
> there an easy way. Disk management won't let you change
> the boot drive. Is the only way is to install my drive as
> a secondary drive and change it with disk management.
> Thanks
> Bob