Green tea before the small series for everyone briefly introduced EFI this system, the next thing to explain is the Win7 system EFI Activation tutorial, do not need EFI win7 activation tool can realize EFI activation, especially for the Win7 system exists EFI partition can not allocate the letter, a look at it ~
To the EFI system partition set letter Windows Server 2008 R2 64bit,win7 64bit installation of the frequent EFI partition, in Disk Management right click can not specify the letter, can not be activated (you know) then, you may do the following operation.
----Run cmd as an administrator, enter:
DiskPart
Sel disk m (m for your EFI partition is the disc number, generally the number 0)
List part
SEL part X (x is EFI Division code, Mine is partition 1, type is "primary")
Set ID=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
Assign Letter=y (Y is assigned to the letter, arbitrary)