Questions
Q1
How do I install OS in UEFI mode?

<Step1>  BIOS setup:
Please go to CMOS by press "Delete" key in POST screen. Choose Boot > UEFI Boot > set it to [Enabled].

Then Save and exit the BIOS.

<Step2>  Reboot the system and Press [F9] key in POST screen, To select Boot Device: 
Select [UEFI] as boot device. 
Note: UEFI mode only support Windows 7 64bit or Windows Vista 64bit OS.

<Step3>
Install Windows 7 64bit or Vista 64bit OS in standard way.

<Step4>

If use Intel H67 chipset model  (VGA on-board),
it need to install Microsoft Hotfix before install on-board VGA driver.
Microsoft Hotfix (No#979903) download link http://support.microsoft.com/kb/979903